All Calculators
Every free UK calculator, organised by topic. Results update instantly as you type — no sign-up, no waiting.
Salary & Tax calculators
Take-home pay, income tax, National Insurance and pay rises.
Salary Calculator
See your annual, monthly and weekly take-home pay with a full income tax and National Insurance breakdown.
Use calculatorIncome Tax Calculator
See how much Income Tax you pay and how it falls across the tax-free, basic, higher and additional rate bands.
Use calculatorNational Insurance Calculator
Work out your Class 1 employee National Insurance contributions and what you keep after NI.
Use calculatorStudent Loan Calculator
See how much of your income goes to student loan repayments, based on your plan and earnings.
Use calculatorComing soon: Hourly rate · Overtime · Bonus tax · Pay rise · Salary comparison
VAT calculators
Add or remove VAT, invoice totals and profit after VAT.
Coming soon: VAT reverse · VAT profit · VAT invoice · VAT margin
Business & Self-Employed calculators
Profit, expenses, corporation tax, dividends and day rates.
Self-Employed Tax Calculator
See what tax and National Insurance you pay as a sole trader, and your profit after tax.
Use calculatorDividend Tax Calculator
Work out the tax on your dividends — the £500 allowance and the 8.75%, 33.75% and 39.35% rates.
Use calculatorCorporation Tax Calculator
See how much corporation tax your limited company owes on its taxable profits.
Use calculatorComing soon: Profit margin · Freelancer day rate · Break-even
Mortgage & Property calculators
Mortgage payments, stamp duty, rental yield and deposits.
Mortgage Calculator
Estimate your monthly repayments, total interest and loan-to-value on a UK mortgage.
Use calculatorStamp Duty Calculator
Work out the Stamp Duty Land Tax you owe when buying a home in England or Northern Ireland.
Use calculatorComing soon: Affordability · Rental yield · Overpayments · Buy-to-let
Savings & Investments calculators
Compound interest, ISA growth, emergency funds and inflation.
Coming soon: Compound interest · ISA · Emergency fund · Inflation · Future value
Personal Finance calculators
Budgets, loans, discounts, percentages and everyday money.
Percentage Calculator
Three quick percentage tools: percentage of an amount, comparing amounts and percentage change.
Use calculatorLoan Calculator
See your monthly payment, total interest and a year-by-year balance for a fixed-rate loan.
Use calculatorComing soon: Discount · Currency
Cost of Living calculators
Budgets and day-to-day living costs in the UK.
Coming soon: Cost of living
Health & Lifestyle calculators
BMI, calories, water intake and lifestyle estimates.
Coming soon: Calorie · BMR · Water intake