UK Pro Rata Salary Calculator
Calculate your actual salary for part-time work. Enter the full-time equivalent (FTE) salary and your working hours to see your pro rata pay and take-home amount.
Pro Rata Calculator
Calculate part-time salary for 2025/26
Your Pro Rata Salary
22.5 hours (3.0 days) of 37.5 hours
Pro Rata Salary Examples
Common salaries shown at different working patterns
| FTE Salary | 3 Days/Week | 4 Days/Week |
|---|---|---|
| £24,000 | £14,400 | £19,200 |
| £26,000 | £15,600 | £20,800 |
| £28,000 | £16,800 | £22,400 |
| £30,000 | £18,000 | £24,000 |
| £32,000 | £19,200 | £25,600 |
| £35,000 | £21,000 | £28,000 |
| £40,000 | £24,000 | £32,000 |
| £45,000 | £27,000 | £36,000 |
Based on standard 5-day, 37.5 hour work week
Understanding Pro Rata Salary
What is Pro Rata?
"Pro rata" is a Latin term meaning "in proportion". When applied to salary, it means your pay is calculated proportionally based on the hours you work compared to a full-time role. Job adverts often show the full-time equivalent (FTE) salary with "pro rata" to indicate that part-time applicants will receive a proportional amount.
The Pro Rata Formula
Pro rata salary is calculated using this formula:
Example: A job pays £30,000 for 37.5 hours/week. If you work 22.5 hours/week:
Pro Rata Benefits
- Holiday: Typically pro rata. 25 days FTE working 3 days/week = 15 days.
- Pension: Based on your actual earnings, so contributions scale with your salary.
- Sick Pay: Usually based on your contracted hours/salary.
- Bonuses: May be full or pro rata - check your contract.
Tax Advantage
Part-time workers on pro rata salaries often have a lower effective tax rate because more of their income falls within the tax-free Personal Allowance (£12,570 in 2025/26). Use our salary calculator to see your exact tax breakdown.