Most popular
EmployersEmployer National Insurance
Estimate the employer NI cost of hiring someone before you make the commitment.
Open calculatorFREE UK TAX CALCULATORS · 2026/27
Turn the numbers into a clearer decision.
Estimate tax, take-home pay and employment costs in minutes. No account needed. No jargon. Just a useful starting point.
Choose a calculator ✓ Free to use ✓ Updated tax years
FIND YOUR CALCULATOR
What are you trying to work out?
Choose a calculator based on the decision in front of you. Each one explains the assumptions behind the estimate.
Business
Limited company vs sole trader
Compare estimated take-home income and see which structure could work harder for you.
Open calculatorSelf-employed
Self-employed tax
Estimate your Income Tax and National Insurance for the current or a previous tax year.
Open calculatorBusiness
Limited company tax
Turn turnover and expenses into an estimate of profit and Corporation Tax due.
Open calculatorEmployment
Take-home salary
See what an annual salary could mean monthly, weekly and after tax and National Insurance.
Open calculatorEmployment
Employee National Insurance
Calculate the employee NI deduction based on salary and the relevant tax year.
Open calculatorEmployment
Employed vs self-employed
Compare the estimated tax impact of employment and self-employment side by side.
Open calculatorWHEN AN ESTIMATE IS NOT ENOUGH
Your result is the start of the conversation.
A calculator can show the likely number. A vetted UK tax professional can check the assumptions, spot what is missing and help you decide what to do next.
Discuss my result✓
Check the calculationMake sure allowances and other income are reflected correctly.
✓
Understand your optionsCompare the tax impact with the wider commercial trade-offs.
✓
Take the next stepGet help with a tax return, company accounts or ongoing support.
POPULAR NEXT STEPS
Ready to do something with the number?
Move from estimate to action with a clearly scoped service and a vetted professional.
Calculations use published UK tax rules for the selected year.Free to useNo account neededPlain-English results