Free Online Calculators for Everyday Life
Daily Calculator provides free online calculators for UK households and businesses. Browse calculators for tax, property, personal finance, energy costs, health & fitness and everyday calculations — search below or browse by category.
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Popular Calculators
Mortgage Calculator
Estimate monthly mortgage repayments, total interest and stamp duty costs.
PropertySalary Calculator
Calculate your take-home pay after tax, National Insurance and pension contributions.
FinanceHourly Rate Calculator
Convert between an annual, monthly, weekly or daily salary and an equivalent hourly rate.
FinanceCost of Living Calculator
Compare estimated monthly living costs between two UK towns or cities using ONS rent and regional price data.
FinanceBudget Calculator
See where your money goes each month, compare needs, wants and savings, and calculate your monthly surplus or deficit.
FinanceIncome Tax Calculator
Calculate UK Income Tax and National Insurance. Shows take-home pay, tax bands, pension relief and Marriage Allowance.
TaxVAT Calculator
Add or remove VAT from any amount at standard UK rates instantly. Includes custom rate option.
TaxBMI Calculator
Calculate your Body Mass Index from your height and weight and see which BMI category you fall into.
HealthCalorie Calculator
Estimate your daily calorie needs based on age, weight, height, activity level and goal.
HealthPercentage Calculator
Find a percentage of a number, work out what percentage one number is of another, or calculate percentage increases and decreases.
EverydayAge Calculator
Find your exact age in years, months and days. See total days lived, countdown to your next birthday, day of the week born and star sign.
EverydayStamp Duty Calculator
Calculate Stamp Duty Land Tax (SDLT) for England & Northern Ireland. Includes first-time buyer relief and additional property surcharge.
PropertyCar Loan Calculator
Compare car finance options: Personal Loans, PCP and HP. Calculate monthly payments, total interest and balloon payments.
FinanceHealth & Fitness Calculators
BMI Calculator
Calculate your Body Mass Index from your height and weight and see which BMI category you fall into.
HealthIdeal Weight Calculator
Compare four widely used ideal weight formulas alongside the general BMI reference range for your height.
HealthCalorie Calculator
Estimate your daily calorie needs based on age, weight, height, activity level and goal.
HealthTDEE Calculator
Estimate your Total Daily Energy Expenditure from your BMR and activity level, with targets for maintaining, losing or gaining weight.
HealthBMR Calculator
Calculate your Basal Metabolic Rate and estimate how many calories your body needs at complete rest.
HealthMetabolic Age Calculator
Compare your Basal Metabolic Rate with average values for your age group to estimate your metabolic age.
HealthBody Fat Percentage Calculator
Estimate your body fat percentage from your measurements and see your estimated fat mass and lean body mass.
HealthMacro Calculator
Estimate your daily protein, carbohydrate and fat targets based on your calorie needs and goal.
HealthIntermittent Fasting Calculator
Work out your daily eating and fasting windows for popular schedules like 16:8, 18:6 or 5:2.
HealthWater Intake Calculator
Estimate how much water you may need each day based on your body weight, activity level and other factors.
HealthHeart Rate Calculator
Calculate your estimated maximum heart rate and target heart rate zones for different exercise intensities.
HealthPregnancy Weight Gain Calculator
Estimate recommended pregnancy weight gain based on your pre-pregnancy BMI and stage of pregnancy.
HealthChild Growth Percentile Calculator
Check your child’s height, weight or head circumference against UK-WHO growth chart percentiles for their age.
HealthPregnancy Due Date Calculator
Estimate your pregnancy due date from the first day of your last menstrual period or conception date.
HealthGestational Age Calculator
Work out how many weeks and days pregnant you are, plus your due date and trimester, from your LMP, conception or IVF transfer date.
HealthOvulation Calculator
Estimate your fertile window and likely ovulation date from your menstrual cycle and last period.
HealthPeriod & Ovulation Calculator
Track your cycle to estimate your next period, ovulation date and fertile window from your period length and cycle length.
HealthSteps to Calories Calculator
Estimate how many calories you burn from a daily step count based on your weight and stride length.
HealthArmy Body Fat Calculator
Estimate body fat percentage using the U.S. Army circumference-based method.
HealthLean Body Mass Calculator
Estimate your lean body mass — everything in your body that isn’t fat — from your height, weight and sex.
HealthProtein Intake Calculator
Estimate a daily protein intake target based on your body weight, activity level and goal.
HealthOne Rep Max Calculator
Estimate your one-rep max for any lift using established strength-training formulas, plus a training load percentage chart.
HealthCalories Burned Calculator
Estimate calories burned during exercise based on activity type, duration and body weight.
HealthRunning Pace Calculator
Calculate your running pace, finish time or target distance, with estimated splits.
HealthVO2 Max Calculator
Estimate your VO2 max using the Cooper run, 1.5-mile run, Rockport walk or resting heart rate method.
HealthRace Time Predictor
Predict your finish time at another race distance from a result you’ve already run, using Riegel’s formula.
HealthCycling Speed Calculator
Calculate your average cycling speed, ride time or distance, with an optional calorie burn estimate.
HealthSleep Calculator
Work out recommended bedtimes and wake-up times based on sleep cycles and the time you need to get up.
HealthBlood Pressure Calculator
Check your blood pressure reading against general adult blood pressure categories and see what the result means.
HealthWaist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio from your measurements and compare it with WHO reference thresholds.
HealthWaist-to-Height Ratio Calculator
Calculate your waist-to-height ratio and compare it with Ashwell and NICE reference thresholds.
HealthBody Surface Area Calculator
Estimate body surface area in square metres using the Mosteller, Du Bois, Haycock or Gehan & George formula.
HealthCreatinine Clearance Calculator
Estimate creatinine clearance using the Cockcroft-Gault equation from age, weight, gender and serum creatinine.
HealthAnion Gap Calculator
Calculate the anion gap from serum electrolytes, with optional potassium and albumin correction.
HealthTax Calculators
Tax-Free Allowance Optimiser
Maximise your current tax-free allowances. Check ISA, pension, Personal Savings, dividend and CGT usage with a personalised action plan.
TaxGift Aid Calculator
Work out how much extra your donation is worth with Gift Aid, and any additional tax relief you can claim as a higher or additional rate taxpayer.
TaxSelf Assessment Tax Calculator
Calculate total tax as a sole trader or freelancer. Combines employment, business, rental, dividends, savings, CGT and NI.
TaxLate Tax Payment Penalty & Interest Calculator
Estimate HMRC late payment penalties and interest on overdue Self Assessment tax.
TaxRental Income Tax Calculator
Calculate landlord tax with Section 24 mortgage interest rules. See net profit after tax.
TaxHigh Income Child Benefit Charge Calculator
Calculate HICBC tax charge based on your income. See clawback rate and net benefit.
TaxChild Benefit Calculator
Estimate your UK Child Benefit entitlement based on how many children you have, separate from the High Income Child Benefit Charge clawback.
TaxVAT Calculator
Add or remove VAT from any amount at standard UK rates instantly. Includes custom rate option.
TaxUK VAT Calculator
Calculate VAT for UK invoices and business transactions. Add or remove VAT at standard, reduced or zero rates.
TaxVAT Flat Rate Scheme Calculator
Calculate what you’d pay under the VAT Flat Rate Scheme compared with standard VAT accounting, based on your trade sector flat rate.
TaxSavings Interest Tax Calculator
Calculate tax on bank interest using your Personal Savings Allowance based on your income tax band.
TaxInheritance Tax Calculator
Calculate potential Inheritance Tax on your estate with nil-rate bands, residence allowance, spouse exemption and taper relief.
TaxCapital Gains Tax Calculator
Calculate Capital Gains Tax on property, shares and business assets. Includes annual exemption and loss relief.
TaxIncome Tax Calculator
Calculate UK Income Tax and National Insurance. Shows take-home pay, tax bands, pension relief and Marriage Allowance.
TaxMarriage Allowance Calculator
Check if transferring part of your Personal Allowance to your spouse or civil partner under Marriage Allowance could reduce your household tax bill.
TaxNational Insurance Calculator
Calculate your Class 1 National Insurance contributions based on your salary and NI category.
TaxCompany Car Tax Calculator
Estimate your Benefit-in-Kind (BIK) tax on a company car based on its list price, CO2 emissions and your income tax band.
TaxStudent Loan Calculator
Calculate UK student loan repayments for Plan 1, 2, 4, 5 and Postgraduate loans, including current thresholds and write-off periods.
TaxDividend Tax Calculator
Calculate UK dividend tax on shares and funds, including allowance, ISA treatment and Self Assessment reporting.
TaxCorporation Tax Calculator
Calculate UK Corporation Tax with marginal relief, associated company rules and short period adjustments.
TaxProperty Calculators
Mortgage Affordability Calculator
Calculate how much you can borrow based on income, deposit, debts and outgoings. Uses 4.5x–5.5x income multiples with stress testing.
PropertyMortgage Deposit Calculator
Work out your deposit, loan-to-value (LTV) ratio, and how long it could take to save for a deposit.
PropertyHouse Moving Cost Calculator
Calculate total moving costs: stamp duty, solicitor fees, survey, removals, estate agent commissions and all expenses.
PropertyBuy-to-Let Yield Calculator
Calculate gross yield, net yield, monthly cash flow and cash-on-cash return on rental properties with 5-year projections.
PropertyHome Equity & LTV Calculator
Work out your current home equity, LTV ratio, borrowing capacity at different levels, and see a 5-year equity projection.
PropertyEquity Release Calculator
Estimate how much you could release from your home’s value through a lifetime mortgage, and the effect on your remaining equity.
PropertyMortgage Calculator
Estimate monthly mortgage repayments, total interest and stamp duty costs.
PropertyMortgage Overpayment Calculator
Calculate how much you can save on interest and reduce your mortgage term by making extra overpayments.
PropertyRemortgage Calculator
Compare your current mortgage deal with a new rate and see the potential monthly and total savings from remortgaging.
PropertyRent vs Buy Calculator
Decide whether renting or buying makes more financial sense. Compare monthly costs, equity build-up and long-term wealth.
PropertyRent Affordability Calculator
Work out how a monthly rent compares with your take-home income, and see how much you’d have left over each month.
PropertyCouncil Tax Calculator
Calculate your annual and monthly council tax bill by band and local authority.
PropertyStamp Duty Calculator
Calculate Stamp Duty Land Tax (SDLT) for England & Northern Ireland. Includes first-time buyer relief and additional property surcharge.
PropertyFinance Calculators
Lifetime ISA Calculator
Calculate your LISA growth including the government bonus. See year-by-year projections and plan for your first home or retirement at 60+.
FinanceISA Calculator
Project Cash ISA and Stocks & Shares ISA growth tax-free, including the annual ISA allowance and the incoming Cash ISA cap change.
FinanceCredit Card Payoff Calculator
Calculate how long to clear credit card debt. Compare payment plans against minimum payments and see total interest.
FinanceDebt Repayment Calculator
Compare the Debt Avalanche and Debt Snowball methods across multiple debts. See your payoff date and total interest.
FinanceDebt-to-Income Ratio Calculator
Work out your debt-to-income ratio and housing cost ratio — a useful check before applying for a mortgage or loan.
FinanceBorrowing Power Calculator
Estimate how much you could borrow for general-purpose credit, based on a debt-to-income ceiling and your disposable income after living costs.
FinanceDebt Consolidation Calculator
Compare your existing debts against a single consolidation loan to see whether combining them would save you money overall.
FinanceUK Inflation Calculator
Calculate how inflation affects purchasing power. Compare values across years using UK CPI/RPI data.
FinanceSalary Calculator
Calculate your take-home pay after tax, National Insurance and pension contributions.
FinanceSalary Sacrifice Calculator
See how sacrificing part of your salary for pension or other benefits could affect your take-home pay and National Insurance.
FinanceHoliday Pay Calculator
Calculate UK statutory holiday entitlement for your working pattern, or work out rolled-up holiday pay for eligible irregular hours workers.
FinanceStatutory Maternity & Paternity Pay Calculator
Estimate UK Statutory Maternity, Paternity or Shared Parental Pay based on your average weekly earnings.
FinanceOvertime Calculator
Work out your overtime pay, total weekly earnings and effective hourly rate based on your hourly rate and overtime multiplier.
FinanceRedundancy Pay Calculator
Estimate your Great Britain statutory redundancy pay based on your age, length of service and weekly pay.
FinanceFreelancer Day Rate Calculator
Work out what day rate to charge as a freelancer or contractor, accounting for holidays, non-billable time and business expenses.
FinanceProfit & Loss Calculator
Build a simple profit-and-loss statement for your business, showing gross profit, operating profit and net profit.
FinanceCar Loan Calculator
Compare car finance options: Personal Loans, PCP and HP. Calculate monthly payments, total interest and balloon payments.
FinancePersonal Loan Calculator
Calculate your estimated monthly personal loan repayment, total interest and total amount repaid. Compare different rates and terms.
FinanceBusiness Loan Calculator
Estimate your business loan repayments, total interest and the overall cost of borrowing, including arrangement fees.
FinanceCar Finance Calculator
Work backwards from your monthly budget to see roughly how much car you could afford on Hire Purchase or PCP finance.
FinanceCar Affordability Calculator
Work out the maximum car price you could realistically afford based on your income, existing commitments and running costs.
FinanceLoan Repayment Calculator
Calculate monthly, weekly or fortnightly repayments, total interest and total amount repayable for any fixed-term loan.
FinancePension Calculator
Project your retirement savings with compound growth, state pension and tax-free lump sum estimates.
FinancePension Drawdown Calculator
Work out how long your pension pot could last at a given withdrawal rate, or what income you could draw over a chosen number of years.
FinanceRetirement Savings Calculator
Project how a general retirement savings pot could grow, check it against your target, and find the contribution needed to close any gap.
FinanceFinancial Independence Calculator
Estimate how many years it could take to reach financial independence, based on your savings, contributions and a chosen rate of return.
FinanceCompound Interest Calculator
See how your savings grow with interest on interest. Calculate investment, pension and ISA growth with monthly contributions.
FinanceInvestment Calculator
Project the growth of a lump sum or regular investment over time. See year-by-year growth and total contributions vs returns.
FinanceROI Calculator
Calculate the return on investment and annualised return from an amount invested, amount returned and investment period.
FinanceNet Worth Calculator
Add up what you own and subtract what you owe to see your current net worth.
FinanceSavings Calculator
Work out how your savings grow over time with regular deposits and compound interest. See your final balance and total interest.
FinanceSavings Goal Calculator
Work out how much you need to save regularly to reach a target, or how long it will take at a contribution you can afford.
FinanceEmergency Fund Calculator
Work out how big your emergency fund should be based on your essential expenses, and how long it could take to build one.
FinanceMarkup Calculator
Work out your selling price from a cost and markup percentage, or find the markup and margin from a cost and selling price.
FinanceProfit Margin Calculator
Calculate your profit margin and equivalent markup from cost and selling price, or find the price needed to hit a target margin.
FinanceBreak-Even Calculator
Work out how many units you need to sell, and how much revenue you need, before your business starts making a profit.
FinanceDiscount Calculator
Work out the final price after a discount, how much you’ll save, and what happens when multiple discounts are applied together.
FinanceEnergy Calculators
Solar Panel Payback Calculator
Calculate installation costs, savings, Smart Export Guarantee earnings and payback period over 25 years.
EnergyBattery Storage Payback Calculator
Calculate the payback period for adding home battery storage to store solar or off-peak electricity.
EnergyHeat Pump Payback Calculator
Calculate if an air source or ground source heat pump is financially worthwhile. Compare installation, running costs and payback period.
EnergyLoft & Cavity Wall Insulation Calculator
Estimate installation costs, annual energy savings and payback period for loft or cavity wall insulation.
EnergyEV Home Charger Payback Calculator
Calculate installation cost, compare with petrol cars and work out payback period. Includes the OZEV grant where applicable.
EnergyFuel Cost Calculator
Calculate petrol, diesel and hybrid car running costs. Compare with EV costs and see annual savings.
EnergyMPG Calculator
Calculate your car’s fuel efficiency in miles per gallon or litres per 100km from distance travelled and fuel used.
EnergyEV Charging Cost Calculator
Calculate electric vehicle charging costs at home or public chargers. Compare with petrol, see cost per mile and annual savings.
EnergyElectricity Cost Calculator
Estimate how much your electrical appliances cost to run per day, week, month and year.
EnergyGas Cost Calculator
Calculate gas appliance running costs, energy usage and carbon emissions instantly.
EnergyHeating Oil Cost Calculator
Calculate the cost of heating your home with heating oil based on your tank size, oil price and usage.
EnergyUK Energy Bill Calculator
Estimate your total electricity and gas bills. Compare against price cap estimates and calculate standing charge impact.
EnergyWater Bill Calculator
Estimate your water and wastewater bill based on usage or your property’s rateable value.
EnergyEveryday & Utility Calculators
Age Calculator
Find your exact age in years, months and days. See total days lived, countdown to your next birthday, day of the week born and star sign.
EverydayDate Calculator
Add or subtract days, weeks, months or years from a date, or find the exact difference between two dates including weekday breakdown.
EverydayPercentage Calculator
Find a percentage of a number, work out what percentage one number is of another, or calculate percentage increases and decreases.
EverydayAverage Calculator
Calculate the mean, median, mode, range and standard deviation of a set of numbers, or work out a weighted average.
EverydayRatio Calculator
Simplify ratios to their lowest terms, solve for a missing value in a ratio, and scale ratios up or down instantly.
EverydayFraction Calculator
Add, subtract, multiply and divide fractions, simplify results, and convert between fractions, decimals and percentages.
EverydayTime Calculator
Add or subtract hours, minutes and seconds, and calculate the exact duration between two times.
EverydayBasic Calculator
A simple four-function calculator for quick everyday sums: addition, subtraction, multiplication and division.
EverydayUnit Conversion Calculator
Convert between units of length, weight, volume, temperature and more in one simple tool.
EverydayPaint Coverage Calculator
Work out how much paint you need for a room based on its dimensions, number of coats and paint coverage rate.
EverydayCurrency Converter
Convert between currencies using exchange rates, for quick estimates of costs or amounts abroad.
EverydayTip Calculator
Work out how much to tip and how to split the bill between multiple people.
EverydayGPA Calculator
Calculate your Grade Point Average from your course grades and credit hours.
EverydayRecently Added
eGFR Calculator
Estimate your kidney function using the CKD-EPI eGFR equation from your age, sex and serum creatinine.
HealthPaint Coverage Calculator
Work out how much paint you need for a room based on its dimensions, number of coats and paint coverage rate.
EverydayDouble Glazing Payback Calculator
Estimate installation costs, annual heating savings and payback period for replacing single glazing with double glazing.
EnergyLeasehold Extension Calculator
Estimate the likely premium for extending a leasehold property’s lease term, based on remaining years and ground rent.
PropertyEquity Release Calculator
Estimate how much you could release from your home’s value through a lifetime mortgage, and the effect on your remaining equity.
PropertyLate Tax Payment Penalty & Interest Calculator
Estimate HMRC late payment penalties and interest on overdue Self Assessment tax.
TaxP11D Benefits in Kind Calculator
Estimate the taxable value and tax due on employee benefits in kind reported on a P11D, such as private healthcare or interest-free loans.
TaxChild Growth Percentile Calculator
Check your child’s height, weight or head circumference against UK-WHO growth chart percentiles for their age.
HealthWedding Budget Calculator
Plan and track your wedding budget across venue, catering, attire and other costs, and see how spending compares to your total budget.
FinanceStatutory Maternity & Paternity Pay Calculator
Estimate UK Statutory Maternity, Paternity or Shared Parental Pay based on your average weekly earnings.
FinanceeBay Selling Fees Calculator
Calculate eBay final value fees and your net proceeds after fees on a sale.
FinanceRight to Buy Calculator
Estimate your Right to Buy discount and final purchase price for buying your council or housing association home.
PropertyWater Bill Calculator
Estimate your water and wastewater bill based on usage or your property’s rateable value.
EnergyCurrency Converter
Convert between currencies using exchange rates, for quick estimates of costs or amounts abroad.
EverydayMPG Calculator
Calculate your car’s fuel efficiency in miles per gallon or litres per 100km from distance travelled and fuel used.
EnergyMetabolic Age Calculator
Compare your Basal Metabolic Rate with average values for your age group to estimate your metabolic age.
HealthIntermittent Fasting Calculator
Work out your daily eating and fasting windows for popular schedules like 16:8, 18:6 or 5:2.
HealthDrink Drive Calculator
Estimate an approximate blood alcohol level from units consumed and time elapsed. For guidance only — the only safe amount before driving is none.
HealthHeating Oil Cost Calculator
Calculate the cost of heating your home with heating oil based on your tank size, oil price and usage.
EnergyLoft & Cavity Wall Insulation Calculator
Estimate installation costs, annual energy savings and payback period for loft or cavity wall insulation.
EnergyMinimum Wage Calculator
Check whether your pay meets the National Living Wage or National Minimum Wage for your age group.
FinanceCoast FI Calculator
Work out if you’ve already saved enough to ‘coast’ to retirement without further contributions, letting compound growth carry you the rest of the way.
FinanceBattery Storage Payback Calculator
Calculate the payback period for adding home battery storage to store solar or off-peak electricity.
EnergyDouble Glazing Payback Calculator
Estimate installation costs, annual heating savings and payback period for replacing single glazing with double glazing.
EnergyGround Rent Calculator
Work out the total ground rent payable over the remaining term of a leasehold property, including any review increases.
PropertyShared Ownership Calculator
Work out the cost of buying a share of a property through a shared ownership scheme, including rent on the remaining share.
PropertyVAT Flat Rate Scheme Calculator
Calculate what you’d pay under the VAT Flat Rate Scheme compared with standard VAT accounting, based on your trade sector flat rate.
TaxGift Aid Calculator
Work out how much extra your donation is worth with Gift Aid, and any additional tax relief you can claim as a higher or additional rate taxpayer.
TaxMarriage Allowance Calculator
Check if transferring part of your Personal Allowance to your spouse or civil partner under Marriage Allowance could reduce your household tax bill.
TaxCompany Car Tax Calculator
Estimate your Benefit-in-Kind (BIK) tax on a company car based on its list price, CO2 emissions and your income tax band.
TaxP11D Benefits in Kind Calculator
Estimate the taxable value and tax due on employee benefits in kind reported on a P11D, such as private healthcare or interest-free loans.
TaxDividend Calculator
Project dividend income and reinvestment growth from your shareholding, dividend yield and growth rate over time.
FinanceCAGR Calculator
Calculate the Compound Annual Growth Rate of an investment from its starting value, ending value and number of years.
FinanceChild Benefit Calculator
Estimate your UK Child Benefit entitlement based on how many children you have, separate from the High Income Child Benefit Charge clawback.
TaxSalary Sacrifice Calculator
See how sacrificing part of your salary for pension or other benefits could affect your take-home pay and National Insurance.
FinanceROI Calculator
Calculate the return on investment and annualised return from an amount invested, amount returned and investment period.
FinanceDividend Calculator
Project dividend income and reinvestment growth from your shareholding, dividend yield and growth rate over time.
FinanceCAGR Calculator
Calculate the Compound Annual Growth Rate of an investment from its starting value, ending value and number of years.
FinanceProfit & Loss Calculator
Build a simple profit-and-loss statement for your business, showing gross profit, operating profit and net profit.
FinanceBorrowing Power Calculator
Estimate how much you could borrow for general-purpose credit, based on a debt-to-income ceiling and your disposable income after living costs.
FinanceCar Affordability Calculator
Work out the maximum car price you could realistically afford based on your income, existing commitments and running costs.
FinanceFinancial Independence Calculator
Estimate how many years it could take to reach financial independence, based on your savings, contributions and a chosen rate of return.
FinanceCoast FI Calculator
Work out if you’ve already saved enough to ‘coast’ to retirement without further contributions, letting compound growth carry you the rest of the way.
FinanceRent Affordability Calculator
Work out how a monthly rent compares with your take-home income, and see how much you’d have left over each month.
PropertyBusiness Loan Calculator
Estimate your business loan repayments, total interest and the overall cost of borrowing, including arrangement fees.
FinanceProfit Margin Calculator
Calculate your profit margin and equivalent markup from cost and selling price, or find the price needed to hit a target margin.
FinanceBreak-Even Calculator
Work out how many units you need to sell, and how much revenue you need, before your business starts making a profit.
FinanceDebt Consolidation Calculator
Compare your existing debts against a single consolidation loan to see whether combining them would save you money overall.
FinanceRetirement Savings Calculator
Project how a general retirement savings pot could grow, check it against your target, and find the contribution needed to close any gap.
FinanceCost of Living Calculator
Compare estimated monthly living costs between two UK towns or cities using ONS rent and regional price data.
FinanceBudget Calculator
See where your money goes each month, compare needs, wants and savings, and calculate your monthly surplus or deficit.
FinanceWedding Budget Calculator
Plan and track your wedding budget across venue, catering, attire and other costs, and see how spending compares to your total budget.
FinanceEmergency Fund Calculator
Work out how big your emergency fund should be based on your essential expenses, and how long it could take to build one.
FinanceNet Worth Calculator
Add up what you own and subtract what you owe to see your current net worth.
FinancePension Drawdown Calculator
Work out how long your pension pot could last at a given withdrawal rate, or what income you could draw over a chosen number of years.
FinanceFreelancer Day Rate Calculator
Work out what day rate to charge as a freelancer or contractor, accounting for holidays, non-billable time and business expenses.
FinanceeBay Selling Fees Calculator
Calculate eBay final value fees and your net proceeds after fees on a sale.
FinanceSavings Goal Calculator
Work out how much you need to save regularly to reach a target, or how long it will take at a contribution you can afford.
FinanceISA Calculator
Project Cash ISA and Stocks & Shares ISA growth tax-free, including the annual ISA allowance and the incoming Cash ISA cap change.
FinanceMortgage Deposit Calculator
Work out your deposit, loan-to-value (LTV) ratio, and how long it could take to save for a deposit.
PropertyShared Ownership Calculator
Work out the cost of buying a share of a property through a shared ownership scheme, including rent on the remaining share.
PropertyRight to Buy Calculator
Estimate your Right to Buy discount and final purchase price for buying your council or housing association home.
PropertyGround Rent Calculator
Work out the total ground rent payable over the remaining term of a leasehold property, including any review increases.
PropertyLeasehold Extension Calculator
Estimate the likely premium for extending a leasehold property’s lease term, based on remaining years and ground rent.
PropertyRedundancy Pay Calculator
Estimate your Great Britain statutory redundancy pay based on your age, length of service and weekly pay.
FinanceCar Finance Calculator
Work backwards from your monthly budget to see roughly how much car you could afford on Hire Purchase or PCP finance.
FinanceDebt-to-Income Ratio Calculator
Work out your debt-to-income ratio and housing cost ratio — a useful check before applying for a mortgage or loan.
FinanceHourly Rate Calculator
Convert between an annual, monthly, weekly or daily salary and an equivalent hourly rate.
FinanceMinimum Wage Calculator
Check whether your pay meets the National Living Wage or National Minimum Wage for your age group.
FinanceGestational Age Calculator
Work out how many weeks and days pregnant you are, plus your due date and trimester, from your LMP, conception or IVF transfer date.
HealthWaist-to-Height Ratio Calculator
Calculate your waist-to-height ratio and compare it with Ashwell and NICE reference thresholds.
HealthWaist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio from your measurements and compare it with WHO reference thresholds.
HealthAnion Gap Calculator
Calculate the anion gap from serum electrolytes, with optional potassium and albumin correction.
HealthCreatinine Clearance Calculator
Estimate creatinine clearance using the Cockcroft-Gault equation from age, weight, gender and serum creatinine.
HealtheGFR Calculator
Estimate your kidney function using the CKD-EPI eGFR equation from your age, sex and serum creatinine.
HealthBody Surface Area Calculator
Estimate body surface area in square metres using the Mosteller, Du Bois, Haycock or Gehan & George formula.
HealthPeriod & Ovulation Calculator
Track your cycle to estimate your next period, ovulation date and fertile window from your period length and cycle length.
HealthOvulation Calculator
Estimate your fertile window and likely ovulation date from your menstrual cycle and last period.
HealthSleep Calculator
Work out recommended bedtimes and wake-up times based on sleep cycles and the time you need to get up.
HealthBlood Pressure Calculator
Check your blood pressure reading against general adult blood pressure categories and see what the result means.
HealthDrink Drive Calculator
Estimate an approximate blood alcohol level from units consumed and time elapsed. For guidance only — the only safe amount before driving is none.
HealthRace Time Predictor
Predict your finish time at another race distance from a result you’ve already run, using Riegel’s formula.
HealthVO2 Max Calculator
Estimate your VO2 max using the Cooper run, 1.5-mile run, Rockport walk or resting heart rate method.
HealthCycling Speed Calculator
Calculate your average cycling speed, ride time or distance, with an optional calorie burn estimate.
HealthSteps to Calories Calculator
Estimate how many calories you burn from a daily step count based on your weight and stride length.
HealthAbout Daily Calculator
Daily Calculator provides free, instant calculators for UK households and businesses. Use our tools to calculate energy costs, solar and heat pump payback, EV charging, mortgages, taxes, property investments, personal finance, pensions, student loans, inflation, health & fitness metrics like BMI, calorie needs and running pace, and everyday maths.
Our calculators are designed to be fast, easy to use and work across desktop, tablet and mobile.