Crafted finance calculators for the UK
Fast, accurate calculators for salary, mortgages, tax, pensions and more. Free to use, no signup required.
Salary
Take-home pay, hourly rates, IR35, and bonus calculators
Property
Stamp duty, mortgage, buy-to-let, and overpayment tools
Tax
Capital gains, dividend, self-employed, and VAT calculators
Pension
Pension projections, tax relief, and annuity tools
Insurance
Life, critical illness, and income protection calculators
Vehicles
Lease vs buy, company car tax, and running cost tools
Built for accuracy
Formulas verified against HMRC source data.
Privacy-first
All calculations run in your browser, nothing stored.
Updated for 2026/27
Current tax year rates baked in.
Featured calculators
Mortgage Overpayment Calculator
See exactly how much interest you save and how much sooner you'll be mortgage-free by overpaying.
Stamp Duty Calculator
Work out SDLT, LBTT or LTT on any UK property purchase, including first-time buyer relief and the additional-property surcharge.