Check the rule and date for the income you are calculating. Not every rate changes at the start of a new tax year.
Checked . Based on official GOV.UK guidance. About our calculators and content.
Explore Income Tax and NI tools
Salary and student loans
Choose the tax year in the main calculator to see its Income Tax bands, NI notes and loan thresholds. An old payslip needs that year’s rules.
Different changes start on different dates
Dividend rates, statutory pay, minimum wages and allowances can change on different dates. Each tool tells you which period and rates it uses.
Use the tool for your income
Salary, dividends, property income and business profit do not all follow the same rules. Check the calculator’s explanation and official source before using the result.
Source: Read the original rules and guidance. Content checked 23 October 2026. General explanation, not personalised tax advice.