UK Financial Calculators
Free UK financial calculators for 2026/27. From stamp duty and take-home pay to ISA growth and pension projections, all figures use current HMRC rates and UK-specific rules.
Stamp Duty Calculator
Calculate SDLT for England, LBTT for Scotland, and LTT for Wales. Includes first-time buyer relief and additional property rates.
Calculate →🏦Mortgage Calculator
Monthly payment, total cost, and total interest for repayment or interest-only UK mortgages.
Calculate →💷Take-Home Pay Calculator
Net salary after income tax, National Insurance, pension, and student loan. England and Scotland rates.
Calculate →🏛️Council Tax Calculator
Annual and monthly council tax by band (A to H) and council area for 2026/27.
Calculate →📈ISA Calculator
Project your tax-free ISA balance over time with the £20,000 annual allowance.
Calculate →👴Pension Calculator
Estimate your pension pot and retirement income, including the full new state pension.
Calculate →🔑Help to Buy Calculator
Understand the equity loan scheme mechanics. Still active in Wales on new-build homes.
Calculate →UK Financial Glossary
Plain-English definitions of 15 essential UK financial terms: stamp duty, ISA, PAYE, NI, LTV, leasehold, and more. Each entry links to the relevant calculator.