UK National Insurance Calculator
Rough annual and monthly Class 1 employee NI using 2025/26 primary threshold and upper earnings limit.
Processed locally in your browser
Country-specific calculator. Amounts stay in United Kingdom (GBP) even if you change the header country.
How to Use
- Enter annual gross salary.
- Review estimated NI contributions.
Frequently Asked Questions
Is employer NI included?
No. This shows employee Class 1 NI only.
Estimates only, not tax advice. Scotland has different income tax bands. Consult HMRC or a qualified adviser before filing.