Financial Calculators

Free tools

Financial calculators
that actually help

No sign-up, no faff. Just straightforward tools to help you understand your money better — built for everyday people in the UK.

Mortgages

Mortgage repayment calculator

See your monthly payments and total interest across different deals.

Budgeting

50/30/20 budget planner

Split your take-home pay across needs, wants, and savings in seconds.

Savings

Savings goal calculator

Work out how long it'll take to hit a target — and what to save each month.

Sensible Spender is an independent personal finance blog. Content is for informational and educational purposes only and does not constitute financial advice. Always seek independent financial advice before making any financial decisions.