🇬🇧 Personal finance in UK

Money tools built for UK rules.

Calculators and guides that use the UK’s actual tax rules for 2025/26, not a generic estimate. Free, no sign-up.

Calculators

Your UK salary after Income Tax and National Insurance.

Compound interest, FIRE, debt payoff and more — any currency.

Educational estimates using published 2025/26 figures, not tax advice. For your exact numbers, check the UK’s official tax authority or a payslip.