UK Tax and Employment Calculators Online

Tax Calculators


Use our free UK tax calculators to quickly estimate your self-assessment tax, corporation tax, dividend tax, and the most tax-efficient director’s salary. Updated for the 2025/26 tax year and suitable for individuals, contractors, and limited companies.



Self-assessment UK tax calculator


Check how much tax you need to pay on your personal income

UK limited company director's tax calculator


Check salary and dividends to declare for lower taxes

UK limited company corporation tax calculator


Check corporation tax payable

Employment Calculators


Use our free UK employment calculators to estimate your net-to-gross salary and real employment costs. Updated for the 2025/26 tax year and suitable for both individuals and employers who need to calculate tax, National Insurance, and pension deductions on top of net payments due to employees.


Annual employment costs (no pension contributions)


Net to gross employment costs calculator for a full tax year

Monthly employment costs


Net to gross monhtly employment costs calculator

Monthly employment costs (incl. pensions)


Net to gross monhtly employment costs calculator (including pension contributions)