Calculator
Bonus tax calculator
Estimate how much of a bonus remains after tax, National Insurance, and student loan deductions.
Uses the MVP methodology assumptions. Review how the figures are modelled.
Bonus after tax
£2,900
Tax cost on bonus
£2,100
Base annual take-home
£42,457
Effective bonus tax rate
£2,100
42%
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FAQ
Is bonus tax different from normal salary tax? Not in the annual model. A bonus is treated as extra taxable earnings in the same year.
Why can payroll withholding feel high? Real payslips can use emergency or period-based withholding that looks different from annual planning models.
Related reading: Bonus tax explained UK