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Frequently Asked Questions
How is pro-rata holiday calculated in the UK?
Pro-rata holiday is calculated using calendar days. Divide the number of days you'll work in the leave year by the total days in the leave year, then multiply by your full entitlement. For example, if you work 3 days per week and start on 1 July: (275 ÷ 365) × 16.8 = 12.6 days. Always round UP to the nearest half day.
When should I use a pro-rata calculator?
Use a pro-rata calculator if you started or are leaving your job mid-way through the leave year (April to April in the UK). Your holiday entitlement is reduced proportionally based on how much of the year you'll be working. See GOV.UK for full details.
Does the 28 days include bank holidays in pro-rata calculation?
Yes, the pro-rata calculation uses your full 28 days (or pro-rata equivalent for part-time workers) which may or may not include bank holidays depending on your employer's policy (Model A vs Model B).
How do I calculate holiday if I started mid-year?
Calculate the number of days from your start date to the end of the leave year. Divide by 365 and multiply by your full annual entitlement. UK law requires you round UP to the nearest half day — you cannot lose entitlement from rounding.