KnowMyPay
162 free UK money calculators · 2026/27

Every part of your UK money, worked out in one place.

Tax, pensions, property, benefits and student finance. Each calculator shows every band, cites the exact gov.uk rule, and runs privately in your browser.

Cited to gov.uk · updated for 2026/27 · nothing you type leaves your device
£YOUR MONEY
💷 Take-home pay
🏠 Stamp duty
State pension
🛡️ Universal Credit
🚗 Road tax
🎓 Student loan
Every figure cited to HMRC · DWP · gov.uk · Student Loans Company · Bank of England
Try it, free

See your take-home pay instantly

Every one of the 162 calculators runs on the page and shows its working. This is an example, with no sign-up required.

Type any salary. The result and the bar update as you go.

Monthly take-home
£0/mo
  • Take-home
  • Tax
  • NI
Open the full calculator, with pension and student loan →
£13.80
hours mins
5 hrs

Type any rate and any hours, there is no limit. The scales are simply a shortcut for the usual range.

Pay for today
£69.00
5 hrs at £13.80 an hour, before tax.
  • Half an hour more +£6.90
  • An hour more +£13.80
  • A 5-day week £345.00
Open the full hourly calculator, with overtime and breaks →
Why trust the number

Every answer shows its working

Most calculators hand you a figure and expect you to accept it unverified.

The working, not just the answer Every calculator breaks the sum into the steps behind it, so you can follow how the figure was reached and check it against your own payslip.
Traced to the official source Rates come from gov.uk, HMRC and DWP, and each tool links the page it took them from, with the tax year and the date it was last checked.
Your figures stay with you The maths runs inside your browser. Your salary, pension and circumstances are never sent to us, stored, or shared with anyone.
See where it goes

Where a £50,000 salary actually goes

Most calculators only give you a net figure. We show the split, what HMRC takes and what lands in your account. This is the working behind every tool.

Open the take-home calculator
Take-home pay £39,520
Income tax £7,486
National Insurance £2,994