Figures

Pro-rata salary calculator

Part-time pay from a full-time salary, by the year, month, week and hour. Add dates for part of a year.

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Hands working out figures on a calculator beside a payslip

Full-time salaryBefore tax, for the full-time role.

Full-time hours a week

Hours worked a week

Part of the year? (optional)For a start or leaving date part-way through, add the dates to see the pay for that period.

From

Pro-rata salaryEnter the full-time salary and both sets of hours.

Know when the rates change

Caps, rates and thresholds change each April. One email a year, with what's different and which calculators it affects.

Important

An estimate based on what you enter and the rules for England, Wales and Scotland for 2026/27. General guidance, not legal, tax or financial advice. Contracts, policies and circumstances can change the answer. If you're unsure, speak to Acas or an independent adviser.