Finance Calculators & Tools UK

Finance Calculators & Tools UK

Free, easy-to-use financial tools to help you understand your money. No sign-up required — just enter your numbers and get instant results.

Income Tax Calculator

Find out exactly how much tax and National Insurance you’ll pay on your salary, and see your take-home pay.

Use the Income Tax Calculator →

Mortgage Affordability Calculator

See how much you could borrow for a mortgage based on your income, deposit, and outgoings.

Use the Mortgage Calculator →

Budget Planner

Track your monthly income and expenses, see your 50/30/20 breakdown, and get personalised recommendations.

Use the Budget Planner →

Helpful Finance Guides

• Income Tax Bands Explained
• National Insurance Explained
• Pension Auto-Enrolment
• How to Increase Your Credit Score
• First-Time Buyer Guide
• How to Budget on a Low Income