United Kingdom / NI
National Insurance calculator
Class 1 employee NI at 8% / 2%.
Maths in this browser · never uploaded
Employee NI (approx.)
£2,594
Class 1 employee 2025–26: 8% between £12,570 and £50,270, 2% above. Employer NI not included.
FAQ
Questions, answered
Is my salary or loan data uploaded?Open
No. The maths runs in this tab. Close the page and the numbers are gone.
Are the tax rates official?Open
They follow commonly published slabs for the current year, labelled as estimates. Confirm on the government site before you file.
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