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4-Day-Week Holiday Entitlement Calculator

Based on the default pattern below, a typical entitlement is 22.4 days. Adjust the inputs for your exact figure.

4 days

Your entitlement

22.4 days

How it's worked out

(4 days ÷ 5 full-time days) × 28 days = 22.4 days

Audit note

UK rounding rule: employers may round holiday up to the nearest half or full day, never down. Statutory leave is capped at 28 days for anyone working five or more days a week.

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How this calculation works

Work a set number of days each week? Your paid holiday is pro-rated from the 5.6 weeks (28 days) a full-time employee gets. Pick your working pattern to see the exact statutory entitlement.

Worked example

(4 days ÷ 5 full-time days) × 28 days = 22.4 days

Frequently asked questions

How much holiday for a 4-day week?
A genuine four-day week (four days' worth of hours) earns 22.4 days of paid holiday a year on the statutory minimum (4 × 5.6). Raise the annual allowance if full-timers get more than 28 days.
Is this the same as a compressed 4-day week?
No. If you compress five days of full-time hours into four longer days you keep your full 28-day (or 224-hour) entitlement — you're full-time. Use the compressed 4-day week calculator for that case.
Why is holiday better measured in hours here?
Because a four-day week often means longer days, counting holiday in days can be misleading. Some employers pro-rate in hours instead so a day off always costs the hours you'd actually have worked.