Updated for 2025/26 tax year
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Pro Rata Salary Calculator

Calculate your part-time salary based on the full-time equivalent and hours worked.

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Your Pro Rata Salary

Annual Pro Rata Salary

£21,875.00

before tax and deductions

Hourly Rate

£16.83

Weekly Pay

£420.67

Monthly Pay

£1,822.92

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Understanding Pro Rata Pay

A pro-rata salary ensures that part-time employees are paid fairly in proportion to their full-time colleagues. The calculation is based on the principle of equal treatment. If a full-time role pays a certain salary for a set number of hours, a part-time worker doing the same job should receive a salary that directly reflects the fraction of those hours they work.

Calculators & Reference Tools

This  calculator helps you quickly determine your earnings. By providing the full-time salary and hours, along with your own part-time hours, Calculator Site provides an accurate breakdown of your annual, monthly, weekly, and even hourly gross pay. This is essential for budgeting and ensuring you are being compensated correctly.

Part-Time Worker Rights

In the UK, part-time workers are protected by the Part-time Workers (Prevention of Less Favourable Treatment) Regulations 2000. This means you must not be treated less favourably than equivalent full-time workers. This applies to pay rates, holiday entitlement, pension access, and training opportunities. Your rights are calculated on a pro-rata basis.

Beyond the Salary

Your pro-rata salary is just one part of your total compensation. Remember to also consider your pension contributions, national insurance, and income tax. To see how these affect your final earnings, you can use our Take-Home Pay Calculator for a more detailed breakdown of your net income.

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