Free UK tax calculators for directors and sole traders
Under UK tax law, with the 2026/27 rates and bands for England, Wales, Northern Ireland and Scotland. No account, and your input stays in your browser.
Calculators
All calculators
Every calculator states the law it is based on and its date.
Frequently asked questions
Are the calculators free?
Yes. Every calculator works without an account and without payment.
Is my input stored?
No. The calculators run in your browser. We neither send nor store your input.
Which tax year do the calculators cover?
The 2026/27 tax year, from 6 April 2026 to 5 April 2027, with the rates in force today. Each calculator states the law it is based on.
Do the calculators work for Scotland?
Yes. Where income tax applies, you can choose the Scottish rates and bands.
Do the results replace tax advice?
No. The calculators are information, not tax advice.