UK National Insurance Class 1 Calculator 2024/25

Calculate employee Class 1 National Insurance contributions for 2024/25. Rate: 8% on earnings £12,570–£50,270, then 2% above. Includes employer NI at 13.8%.

Principal ($)
Annual Rate (%)
Years
Compounding / Year
$ Finance Disclaimer: These calculators are for educational and illustrative purposes only. Results do not constitute financial advice. Consult a licensed financial advisor before making investment or borrowing decisions.
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How to Use

Enter the values for the scenario you are assessing. Calculate employee Class 1 National Insurance contributions for 2024/25. Rate: 8% on earnings £12,570–£50,270, then 2% above. Includes employer NI at 13.8%. Use the uk ni class 1 contributions result to inform your calculation.

Frequently Asked Questions