National Insurance Calculator
Estimate employee National Insurance contributions from annual salary.
United Kingdom Calculator
Adjust Your Inputs
Move the sliders or type exact numbers. Results update instantly.
Instant Estimate
Your Results
Estimated NI
£2,594
Based on your selected ni calculator assumptions. Try different sliders to compare scenarios.
Monthly NI
£216
These are planning estimates, not tax, legal or investment advice. Country rules, lender policies and tax rates can change.
Formula & Assumptions
NI = Earnings above threshold x contribution rateThis calculator gives a fast estimate using common planning assumptions for United Kingdom. Review official rules or speak with a qualified local professional before making high-value financial decisions.
Frequently Asked Questions
No. It is a simplified estimate and payroll may differ by category and period.
Yes. Employee NI is deducted from gross pay and reduces take-home salary.