Work & business · 2026/27

Overtime after tax calculator UK

Estimate the annual net effect of a regular overtime pattern. Check the formula, worked example and limits before using your own figures.

Enter your figures

Your estimate

Estimated annual net overtime

£2,880.00
Gross annual overtime£4,000.00
Average monthly net equivalent£240.00

Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. 2026/27 standard employment illustration. No pension, loans or benefit interactions; annualised NI can differ from deductions on variable-pay payslips.

How the overtime after tax calculator uk works

Annual overtime = hourly rate × hours × weeks. Compare annual tax and NI before and after.

UK data and rules

2026/27 data · Checked 16 October 2026. Rules are a dated snapshot, not a live feed.

Read about data coverage and updates

Worked example: overtime after tax

This illustration uses the calculator’s example inputs. It is not a quote or a recommended financial decision.

Annual base salary (£)
35,000
Gross overtime hourly rate (£)
20
Overtime hours per working week
5
Weeks with overtime
40
Country for tax purposes
England

Estimated annual net overtime: £2,880.00

Annual overtime = hourly rate × hours × weeks. Compare annual tax and NI before and after.

Overtime after tax: questions answered

What does the overtime after tax calculation include?

Annual overtime = hourly rate × hours × weeks. Compare annual tax and NI before and after. Use your actual figures. Any prefilled price, fee, rate or return is an editable illustration, not a current product quote. 2026/27 standard employment illustration. No pension, loans or benefit interactions; annualised NI can differ from deductions on variable-pay payslips.

Plan the next step

Take-home pay calculator UK 2026/27: Estimate net annual and monthly employment pay.

Hourly to salary calculator UK: Convert an hourly rate into weekly and annual gross pay.

Browse the work & business calculators for more tools in this topic.

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.

Explore all 205 UK calculators