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3-on-3-off Holiday Entitlement Calculator

Based on the default pattern below, a typical entitlement is 19.6 days. Adjust the inputs for your exact figure.

3 days
3 days

Your entitlement

19.6 days

How it's worked out

7 × (3 on ÷ 6 cycle) = 3.5 avg days/week × 5.6 weeks = 19.6 days

Audit note

Rotational entitlement is averaged across the full on/off cycle, then multiplied by 5.6 weeks and capped at 28 days. For 12-hour shifts, track leave in hours rather than days to stay accurate.

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How this calculation works

Rotating rosters, compressed weeks and fortnight patterns don't map neatly onto a Monday-to-Friday week. These calculators average your real days worked across the cycle before applying the 5.6-week multiplier.

Worked example

7 × (3 on ÷ 6 cycle) = 3.5 avg days/week × 5.6 weeks = 19.6 days

Frequently asked questions

How much holiday on a 3-on-3-off pattern?
Over a six-day cycle you work three days, averaging 3.5 days a week (7 × 3/6). That's 19.6 days of paid holiday a year on the statutory minimum — the same as 4-on-4-off.
Why is it the same as 4-on-4-off?
Both patterns have you working exactly half the days in the cycle, so both average 3.5 days a week. The entitlement depends on the proportion worked, not the cycle length.
How do I book leave on a rota like this?
You typically book the specific shifts you'd otherwise work. Because entitlement can be tracked in shifts or hours, agree with your employer which unit your balance is held in.