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Job adverts · Plain-English guide

What does “Pro rata” mean?

In proportion to the relevant share, such as part-time hours; check the basis used.

“A large number may have a smaller number inside it.” — Arthur

What it means in practice

This means an amount is adjusted in proportion to something, often working hours. An advertised full-time salary may therefore be more than the actual annual pay for a part-time role.

An example and a clearer version

The original wording

Salary is ÂŁ30,000 pro rata.

In plain English

The actual pay depends on your contracted hours compared with full-time hours.

What to say instead

in proportion to the relevant share.

How to make the next step clear

Ask for the actual salary for the stated hours. When comparing roles, use the employer’s full-time hours and calculation basis; do not assume every employer uses the same working week.

Wording you can adapt

What is the actual annual salary for the 21 hours advertised, and what full-time hours is it based on?

The wording around a phrase matters. Keep the names, dates, amounts and conditions from the original when you rewrite it.

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