UK Financial Calculators
Free, accurate tools updated for the 2026/27 tax year. No sign-up required.
Income Tax & National Insurance Calculator
See your take-home pay for the 2026/27 UK tax year
Your 2026/27 Tax Breakdown
Based on 2026/27 HMRC rates. Assumes no other income, Scottish tax rates not included. Pension contributions reduce taxable income. Learn about salary sacrifice pensions.
Mortgage Repayment Calculator
Estimate your monthly payments and total interest
Your Mortgage Breakdown
This is an estimate based on a standard repayment mortgage with fixed interest. Actual payments may vary. Read our 2026 mortgage rates guide.
Stamp Duty Calculator (SDLT)
Calculate stamp duty land tax for England & Northern Ireland
Your Stamp Duty Breakdown
Rates for England and Northern Ireland from April 2025. First-time buyer relief applies on properties up to £500,000. Scotland (LBTT) and Wales (LTT) have different rates. First-time buyer? Read our mortgage guide.
About the Author
Sarah Mitchell, UK Personal Finance Writer
Sarah Mitchell is a UK personal finance writer with over 8 years of experience covering savings, ISAs, mortgages, tax, and everyday money management. All calculator figures are cross-referenced with HMRC and GOV.UK guidance.