Understand what your salary is really worth
Overtime Impact Calculator
Model how extra hours can change gross pay, estimated take-home pay and real hourly value.
Interactive estimate
Convert hourly pay into salary
Convert an hourly rate into annual salary equivalents before comparing offers or schedules.
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.