Pro-rata is a proportionate calculation, often used to determine part-time employees' entitlements based on their hours worked compared to full-time employees.
Pro-rata is a method of calculating entitlements like leave or pay based on the actual amount of work an employee does. It's most commonly used for part-time employees. For example, if a full-time worker gets 10 days of leave and works 38 hours a week, a part-time worker doing 19 hours a week would get 5 days of leave (half, because they work half the hours).
The National Employment Standards give part-time employees annual leave and personal/carer's leave pro rata to their ordinary hours, and leave accrues progressively for each hour worked. Pro-rata calculations are also used when an employee starts or leaves part way through a year, or moves from full-time to part-time. For example, a part-time employee who works 22.8 hours a week (3 days of 7.6 hours) accrues 91.2 hours of annual leave a year, which is 12 of their working days.
Read our annual leave guide.
General information only
This content is general information about Australian employment law, current at the date it was last reviewed. It does not take your circumstances into account and is not legal advice. For advice about your situation, call Employment Compass on 1300 144 002.
Last reviewed: October 2026
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