# Pro Rata Salary Calculator > Work out a pro-rata salary for part-time hours or a partial period worked. See pro-rated yearly, monthly and daily pay in any currency. Free. - **Category:** Finance & Money - **Interactive calculator:** https://youcalc.com/en/finance-money/pro-rata-salary-calculator/ - **Price:** Free, no sign-up required ## Overview Pro rata is Latin for "in proportion", and a pro-rata salary is simply a full-time salary scaled down to the share of full-time work you actually do. UK government and Acas guidance both state the same principle: a part-time worker is paid a proportion of the full-time-equivalent pay, based on the hours they work. This calculator takes a full-time annual salary and that proportion — either from your part-time hours against a full-time week, or from the days you worked out of a longer period — and shows the pro-rated yearly, monthly and daily pay in whatever currency you choose. ## How to read your result The headline figure is your pro-rated annual salary: the full-time salary multiplied by the proportion you work. "Proportion" shows that share as a percentage (for example 50% for half-time hours). "Pro-rated monthly" spreads the pro-rated year across twelve months. The "full-time daily rate" is a reference figure — the full-time salary divided by the working days in a year — useful for costing a single day or a short stint. Switch the mode at the top to pro-rate by part-time hours or by a partial period worked. ## Method Two modes set one proportion. Part-time mode: proportion = your hours per week ÷ full-time hours per week. Period mode: proportion = days worked ÷ total working days in the period. Then pro-rated salary = full-time salary × proportion, and pro-rated monthly = pro-rated salary ÷ 12. The full-time daily rate is independent: full-time salary ÷ working days per year (260 by default, i.e. 52 weeks × 5 days). All figures are gross and currency-invariant — the currency is only a label, never converted. ## Example - **Setup:** A full-time role pays 50,000 a year on a 40-hour week, and you work 20 hours a week. - **Result:** That is a proportion of 20 ÷ 40 = 50%, so your pro-rated salary is 25,000 a year — about 2,083.33 a month. The full-time daily rate on a 260-day year is roughly 192.31. ## Frequently asked questions ### How is a pro-rata salary calculated? Take the full-time annual salary and multiply it by the proportion of full-time work you do. For part-time hours that proportion is your weekly hours divided by the full-time week (e.g. 30 ÷ 37.5 = 0.8, so 80% of the salary). For a partial period it is the days you worked divided by the total working days. The result is the gross pay for your share of the role. ### What does "pro rata" mean on a job advert? When a salary is advertised "pro rata", the figure quoted is the full-time salary, and your actual pay will be scaled to the hours or period you work. A "30,000 pro rata" role at three days a week (0.6 of full-time) pays about 18,000. Enter the advertised full-time figure as the full-time salary here and your hours to see the real amount. ### Does this calculate take-home pay? No. It works out gross pro-rated pay only. It does not deduct income tax, social security, pension or other contributions, which vary by country and personal circumstances. Use it to understand the salary on offer, then apply your local tax rules separately. ### Why is the daily rate based on 260 days? 260 is the conventional number of working days in a year — 52 weeks of a five-day week. It is used only for the full-time daily rate, as a reference for costing single days, and you can change it if your role uses a different basis. It does not affect the pro-rated salary, which depends only on the proportion you work. ## Related calculators - [Salary to Hourly Calculator](https://youcalc.com/en/finance-money/salary-to-hourly/) - [Annual Salary to Period Pay Converter](https://youcalc.com/en/finance-money/annual-to-period-pay-converter/) - [Pay Raise Calculator](https://youcalc.com/en/finance-money/pay-raise-calculator/) - [Time Card Calculator with Overtime](https://youcalc.com/en/date-time/time-card-overtime/) - [Percentage Calculator](https://youcalc.com/en/math/percentage/) ## Sources - https://www.gov.uk/part-time-worker-rights - https://www.acas.org.uk/part-time-workers --- Interactive version: https://youcalc.com/en/finance-money/pro-rata-salary-calculator/ · From YouCalc — https://youcalc.com