Pro-Rata Holiday Calculator
Work out part-time annual leave entitlement in days or hours from a full-time allowance, and check it against the 5.6-week UK statutory minimum.
Estimate only. This calculator gives an estimate only and is not legal advice. UK statutory holiday rules are set out on gov.uk and can change, always verify your exact entitlement with your employer, HR team or ACAS before relying on this figure.
Enter your working pattern
Your pro-rata holiday entitlement in days and hours appears here as you type.
How pro-rata holiday entitlement works
Full-time UK workers are entitled to a minimum of 5.6 weeks' paid holiday a year, capped at 28 days for someone working a standard 5-day week. Part-time workers get the same entitlement pro-rata, based on how much of a full working week they do. If you know your days worked per week, multiply your employer's full-time day allowance by (days worked ÷ 5). If you work irregular or part-time hours instead, multiply the full-time allowance by (your hours ÷ full-time hours). Always round UP, never down, an employer can be more generous than the statutory minimum, but never less.
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