Free tools
Small money calculators. Each one is an estimate, says where its figures come from, and works out the answer in your browser: nothing you type is sent anywhere or saved.
Sinking funds per payday
Work out what to set aside each payday so yearly bills like car insurance and Christmas are covered on the day.
0% card end-date plan
Work out the monthly payment that clears a 0% credit card or balance transfer before the offer ends.
ISA allowance countdown
See how much of your £20,000 ISA allowance is left for the 2026 to 2027 tax year, and what that is per payday.
£1,000 trading allowance check
Check whether your side income is under the £1,000 trading allowance, and whether the allowance or your expenses gives the lower profit.
Self Assessment set-aside
Estimate the Income Tax and Class 4 National Insurance to set aside on self-employed profit for 2026 to 2027.