How it works
Annual approximation: 8% on pay over £12,570 up to £50,270, then 2% above £50,270.
Input definitions
- Annual NI-able employment pay (GBP)
- Enter the value in the labeled unit.
- Tax year
- Choose 2026–27.
A worked example
- Annual NI-able employment pay (GBP)
- 50270
- Tax year
- 2026–27
Assumptions & limits
Employee Category A; full-year simple annual approximation. Excludes employer NI, special categories, multiple jobs, pensions, irregular pay and payroll rounding. Not an exact payslip calculation.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.
Common questions
Can I check the result before using it?
Compare the worked example with your inputs and use the stated method: Annual approximation: 8% on pay over £12,570 up to £50,270, then 2% above £50,270.. Confirm input units and boundary choices before relying on the result.
How does the UK employee National Insurance — annual estimate tool work?
Annual approximation: 8% on pay over £12,570 up to £50,270, then 2% above £50,270.
What are the assumptions and limits of UK employee National Insurance — annual estimate?
Employee Category A; full-year simple annual approximation. Excludes employer NI, special categories, multiple jobs, pensions, irregular pay and payroll rounding. Not an exact payslip calculation.