WORKING PATTERN
Four-day week salary calculator
Compare salary and hourly value when moving from five days to four.
Estimated result
£40,000
- Gross reduction
- £10,000
- Current hourly equivalent
- £25.64
- New weekly hours
- 30 hours
Assumes salary is reduced in direct proportion to contracted days. Employment terms may preserve full pay.
SOURCES & REVIEW
Checked against official guidance
Last checked 14 July 2026 · Rule version GB-2026.27.1
GOV.UK: Flexible working ↗COMMON QUESTIONS
Frequently asked questions
Is this an exact quote or tax return?
No. It is an estimate based on the inputs and assumptions shown.
When was this checked?
The method and linked official guidance were reviewed for the current UK release.