National Insurance calculator UK 2026/27
Estimate 2026/27 employee National Insurance for category A earnings. See annual contributions and the monthly average using the standard thresholds.
Enter your figures
Annual employee NI estimate
Inputs changed. Select Calculate result to update your estimate.
2026/27 annualised category A estimate for one job, below State Pension age. Payroll uses pay-period thresholds; bonuses, irregular pay and multiple jobs can change deductions.
How the national insurance calculator uk 2026/27 works
8% between £12,570 and £50,270, then 2% above.
UK data and rules
2026/27 data · Checked 16 October 2026. Rules are a dated snapshot, not a live feed.
- Annual primary threshold £12,570; upper earnings limit £50,270.
Read about data coverage and updates
Worked example: employee national insurance
This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.
- Annual gross income (£)
- 35,000
Annual employee NI estimate: £1,794.40
8% between £12,570 and £50,270, then 2% above.
Employee National Insurance: questions answered
Why is this an annualised National Insurance estimate?
Most employees pay NI using each pay period’s earnings and thresholds. Dividing an annual calculation by 12 gives an average, which can differ from payroll with bonuses or irregular pay.
Using your result
Example inputs are a starting point. Replace them with your figures and select Calculate result. Results are rounded for display; calculations use unrounded values.
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