Life has numbers.
We make them simple.
From your next payday to your next big plan.
Free calculators that get you to the answer.
A percentage, in a moment.
Everyday favourites
Take-home pay
See how much of your salary reaches your pocket after Income Tax and National Insurance.
State Pension age
Find out when you reach State Pension age in the UK from your date of birth, and how long you have left to wait.
Mortgage
Estimate monthly repayments and total interest on a repayment mortgage.
Investment return
See what your money could earn each month and each year in a bank savings account, cash ISA, stocks and shares ISA, S&P 500 index fund or investment fund, from £50 to £50 million.
Compound interest
See how an initial amount grows with interest on interest.
Percentage
Find any percentage of a number in a couple of seconds.
Make your money make sense.
Check student loan deductions, compare part-time pay and get quick answers for everyday student life.
UK numbers.
All worked out.
Make sense of salary, tax, statutory pay and workplace benefits with calculators built around UK rules.
Explore UK calculators 2026/27 tax year · Sources includedA calculator for what comes next.
UK calculators
Make sense of tax, salary and buying a home. Clear estimates using 2026/27 rates.
18 calculators →Work & pay
Compare salaries, hourly pay, overtime and freelance rates with clear UK-focused tools.
8 calculators →Money & finance
Free UK money calculators for mortgages, loans, credit cards, savings and compound interest. Plan repayments, compare borrowing costs and see what interest adds up to over time.
10 calculators →Everyday maths
Quick answers for percentages, shopping, shared bills and journeys.
6 calculators →Date & time
Count days, calculate an age and work out elapsed time.
3 calculators →Business
Understand your margins, set prices and find your break-even point.
3 calculators →The answer, without the hassle.
No accounts or downloads. Just enter your numbers and get a result.
See how it adds up.
Formulas, examples and assumptions sit alongside every calculator.
Your numbers stay yours.
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