Money maths, done properly.
Free UK calculators for pay, tax, property, debt and savings. Plain English, the sums shown, and nothing you type ever leaves your browser.
- Checked against GOV.UK 29 October 2026
- Scotland included
Where are you headed?
Every calculator is a stop. Pick a line, hop off at the sum you need. Interchanges are where two money questions meet.
Tax line 8 stops
- Take-home payPay after tax, NI and pension
- Salary after taxEvery salary, £10k to £250k
- Pro rataPart-time salary and pay
- Student loanPlans 1, 2, 4, 5 and Postgrad
- Self-employedTax and Class 4 NI to set aside
- Dividend taxTax on company dividends
- Capital gainsCGT on shares, property and more
- VATAdd or remove 20% VAT
Property line 4 stops
Savings line 3 stops
Debt line 4 stops
Pension line 3 stops
- Tax line
- Property line
- Savings line
- Debt line
- Pension line
Salary after tax, by the number
Already worked out for you, from £10,000 to £250,000.
- £20,000
- £25,000
- £28,000
- £30,000
- £35,000
- £40,000
- £45,000
- £50,000
- £55,000
- £60,000
- £70,000
- £80,000
- £100,000
- All salaries →
Stamp duty, by house price
Hourly rate to yearly salary
- £12.71 an hour
- £13 an hour
- £14 an hour
- £15 an hour
- £16 an hour
- £18 an hour
- £20 an hour
- £25 an hour
- £30 an hour
- All hourly rates →
Dividend tax, by amount
- Dividend tax on £10,000
- Dividend tax on £20,000
- Dividend tax on £30,000
- Dividend tax on £40,000
- Dividend tax on £50,000
- Dividend tax on £60,000
- Dividend tax on £80,000
- Dividend tax on £100,000
- All amounts →
Student loan repayment, by salary
- Student loan on £25,000
- Student loan on £30,000
- Student loan on £35,000
- Student loan on £40,000
- Student loan on £45,000
- Student loan on £50,000
- Student loan on £60,000
- All salaries →
Plus VAT, by amount
Read up while you wait
How we keep the numbers honest
Rates from GOV.UK
Every band and threshold is checked against GOV.UK and Revenue Scotland. Last checked 29 October 2026.
Sums shown
Each result has a "How we worked this out" panel, in plain English with no jargon.
Private by design
Calculations run on your phone or computer. Nothing you type is sent to us or stored.
General information only, not regulated financial advice. Cash Maths is not authorised or regulated by the Financial Conduct Authority.