Free Finance & UK Tax Calculators
UK-focused money calculators: VAT, take-home pay after income tax and National Insurance, stamp duty, mortgage and loan repayments, compound interest, salary conversion and profit margins. Results are estimates for planning, not financial advice, so check official GOV.UK guidance before making decisions.
13 finance tools
VAT Calculator (UK)
Add or remove UK VAT at 20%, 5% or 0% in one step.
£netUK Take-Home Pay Calculator
Estimate income tax, National Insurance and take-home pay for 2026/27.
SDLTStamp Duty Calculator (SDLT)
Calculate stamp duty land tax for homes in England and Northern Ireland.
MtgMortgage Calculator (UK)
Estimate monthly mortgage repayments and total interest.
LnLoan Repayment Calculator
Work out monthly payments and total interest on any loan.
CICompound Interest Calculator
See how savings and investments grow with compound interest.
SvSavings Goal Calculator
Find how much to save each month to reach a target.
£/hSalary to Hourly Wage Calculator
Convert an annual salary to hourly, daily, weekly and monthly pay.
h/£Hourly Wage to Salary Calculator
Convert an hourly rate into an annual salary.
PmProfit Margin & Markup Calculator
Calculate gross margin, markup and profit from cost and price.
ROIROI Calculator
Calculate return on investment and annualised return.
INVFree Invoice Generator
Create a professional invoice and save it as a PDF using print.
Mtg+Mortgage Overpayment Calculator
See how much interest and time you save by overpaying your mortgage.
Frequently asked questions
Are the tax figures up to date?
Rates are set for the 2026/27 tax year for England, Wales and Northern Ireland. Scottish rates and individual tax codes differ.
Is this financial advice?
No. These are general estimates. Speak to a qualified adviser for personal advice.