Calculators built for the United Kingdom
Every tool here uses United Kingdom rules and pounds sterling โ UK Income Tax bands, National Insurance, 20% VAT and the metric system. Figures reflect the 2026/27 tax year and are sourced from GOV.UK. Nothing you type is sent anywhere โ the maths happens on your device.
Looking for a different country? Switch between our ๐บ๐ธ United States and ๐ฌ๐ง United Kingdom editions any time.