Overtime Calculator
Enter your base rate, overtime hours, and multiplier to see your gross overtime pay — and optionally estimate the tax and NI on your extra earnings.
What this calculator does
This calculator works out your overtime pay based on your base rate, the number of overtime hours, and the overtime multiplier. It can also estimate the income tax and National Insurance on your overtime earnings.
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Related guides
- How Overtime Pay Works in the UK — Understand your overtime pay rights, how it is taxed, and how different multipliers affect your earnings.
- How to Calculate Your Freelance Day Rate — A practical guide to setting your day rate as a freelancer or contractor, including salary equivalence and market benchmarks.
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