National Insurance Calculator UK
Calculate your Class 1 National Insurance contributions as a UK employee for 2026/27. See how much NI is deducted from your salary each year, month and week, plus the employer NI paid on top.
Calculator
What this means
National Insurance funds the State Pension and some benefits. Employees pay Class 1 NI at 8% on earnings between £12,570 and £50,270, then 2% above that. Employers pay a separate contribution at 15% on earnings above the secondary threshold.
Frequently asked questions
For 2026/27, employees pay 8% on earnings between £12,570 and £50,270, then 2% on anything above £50,270. Below £12,570 you pay no employee NI.
Employers pay their own NI on your earnings — 15% on pay above the £5,000 secondary threshold for 2026/27. This is not deducted from your pay but is a cost to your employer.
Yes. Paying NI builds qualifying years towards your State Pension and entitlement to some benefits. You usually need 35 qualifying years for the full new State Pension.
Disclaimer
This calculator provides estimates for guidance only. It is not financial, legal or tax advice. Always check official sources or speak to a qualified professional before making decisions.
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