Understand what your salary is really worth
Bonus Calculator
Estimate the take-home impact of a one-off bonus.
Interactive estimate
Estimate a bonus impact
Model a one-off bonus separately from recurring salary so the result is easier to interpret.
Enter values and calculate. The static examples below explain the method even without JavaScript.
How to read the result
The calculator is designed for fast scenario work. It gives an estimate based on documented assumptions, then points you to salary pages where the same logic is shown in more detail.
| Use case | Best next page |
|---|---|
| UK salary after tax | UK salary calculator |
| US salary after tax | US salary calculator |
| Compare offers | Salary comparison |
Example
A £60,000 salary is not the same as £29 per hour after tax. Convert gross first, then check take-home pay separately.
FAQ
Does this replace payroll software?
No. It is an educational estimate for planning and comparison.
Are UK and US assumptions different?
Yes. UK examples use Income Tax and National Insurance, while US examples use federal tax and FICA.
Where are the assumptions explained?
See the methodology and tax assumptions pages.