About SumSavvy

SumSavvy provides 30 free calculators covering pay, pensions, mortgages, savings, property tax, employment, transport, energy and family finances. Income Tax calculations cover England.

Rates and thresholds come from GOV.UK and HMRC. Each result shows its assumptions and deductions. SumSavvy is independent of HMRC and does not provide financial advice.

Contact hello@sumsavvy.co.uk for corrections, accessibility feedback or privacy enquiries. Read our method.