Popular calculators
View allSalary & Take-Home Pay
Estimate your take-home pay after Income Tax, National Insurance, pension contributions and student loan deductions for the 2026/27 tax year.
Open calculatorMortgage Affordability
Get a rough idea of how much you might be able to borrow, your likely property budget and an estimated monthly payment.
Open calculatorMortgage Repayment
Work out your monthly mortgage payment, the total you will repay and how much of that is interest over the life of the loan.
Open calculatorStamp Duty
Estimate the property purchase tax you will pay in England, Scotland or Wales, including first-time buyer relief and the second-home surcharge.
Open calculatorFuel Cost
Work out what a journey really costs in fuel using your car’s MPG and the price at the pump, per trip, per week, per month and per year.
Open calculatorCompound Interest
Calculate how an initial amount plus regular contributions grows with compound interest, and see a simple visual of that growth.
Open calculatorPercentage
Work out percentages quickly: a percentage of a number, what percentage one number is of another, and percentage increase, decrease or difference.
Open calculatorAge
Work out your exact age in years, months and days from your date of birth, and see how long until your next birthday.
Open calculatorWorking Days
Count the working days between two dates, excluding weekends and UK bank holidays, ideal for deadlines and service levels.
Open calculatorVAT
Add VAT to a net price or remove VAT from a gross price at the standard 20% rate, the reduced 5% rate, or a custom rate.
Open calculatorIncome Tax
See how much Income Tax and National Insurance you pay on your salary, broken down band by band for the 2026/27 tax year.
Open calculatorLoan Repayment
Work out the monthly repayment, total cost and total interest on a personal or car loan for any amount, rate and term.
Open calculatorSelf-Employed Tax
Estimate the Income Tax and Class 4 National Insurance you pay on your self-employed profit, and what you keep, for 2026/27.
Open calculatorHow Much Rent to Charge
Work out a sensible monthly rent to charge as a landlord, based on your property value and target rental yield.
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Guides
All guidesPlain-English explainers to go alongside the calculators.
How UK Income Tax works in 2026/27
Income Tax is the biggest deduction most people in the UK face, yet the way it is calculated is widely misunderstood. This guide explains it in plain English for the 2026/27 tax year.
Read guideGuideA first-time buyer's guide to Stamp Duty
Stamp Duty is often the largest single upfront cost of buying a home, yet first-time buyers get valuable relief that many do not fully understand. Here is how it works across the UK.
Read guideGuideUnderstanding your UK payslip
Payslips are full of codes and deductions that few people ever have explained to them. This guide walks through each part so you can check your pay with confidence.
Read guideWhat is UK Life Calculator?
UK Life Calculator is a free collection of simple, reliable calculators built for life in the UK. Whether you want to check your take-home pay after Income Tax and National Insurance, estimate a mortgage repayment, work out the Stamp Duty on a house, or just find the days between two dates, our tools give you a clear answer in seconds.
Every money calculator uses current UK rates and thresholds and explains the assumptions behind the numbers, so you always know how a result was worked out. The calculators are designed to be fast and mobile-friendly, with no sign-up and no clutter, just the tool you came for and a plain-English explanation alongside it.
Popular tools include our salary and take-home pay calculator, mortgage affordability calculator, compound interest calculator and percentage calculator. Results are estimates for general guidance and are not financial, tax or legal advice.