Free estimator
Self Assessment
tax estimator
Estimate your Income Tax and National Insurance before you file, and plan how much to put aside each month.
Your income for 2026/27
Gross pay from your P60 or payslips.
Your profit after allowable expenses, not your turnover.
Rental income less allowable expenses.
State and private pensions you receive.
Reliefs and payments
For relief at source pensions. Don't include workplace contributions taken before tax.
Include PAYE from employment or pensions, tax taken from other income, and any payments on account already made.
Your estimate for 2026/27
Enter your income to see an estimate.
Not included in this estimate
Capital Gains Tax, foreign income, High Income Child Benefit Charge, student loan repayments, complex pension situations (including the annual allowance and net pay schemes), Marriage Allowance and residence issues. If any of these apply, the result may be quite different.
This is an estimator, not your tax return. Figures for 2026/27: Personal Allowance £12,570, Class 4 NI 6% between £12,570 and £50,270 then 2%. Last reviewed 23 October 2026.