Back Pay Calculator
Calculate back pay from your own entered figures.
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Currency: Amounts are calculated in the currency you select; this site does not convert between currencies and does not use live exchange rates.
What this tool does
Calculate back pay from your own entered figures. Does not include interest, penalties, taxes or differing weekly regular-rate calculations.
How to use the Back Pay Calculator
- Enter or select hourly rate paid.
- Enter or select correct hourly rate.
- Enter or select regular hours affected.
- Enter or select overtime hours affected.
- Enter or select overtime multiplier.
- Read the calculated result; change any measurement to compare alternatives.
Formula
back pay=(correct−paid rate)×(regular hours+overtime hours×multiplier)
- old
- Hourly rate paid
- new
- Correct hourly rate
- hours
- Regular hours affected
- ot
- Overtime hours affected
- multiplier
- Overtime multiplier
Does not include interest, penalties, taxes or differing weekly regular-rate calculations.
Worked example
For back pay calculator, the following measurements illustrate the exact method: Hourly rate paid: 20; Correct hourly rate: 22; Regular hours affected: 160; Overtime hours affected: 10; Overtime multiplier: 1.5.
Inputs
- Hourly rate paid20
- Correct hourly rate22
- Regular hours affected160
- Overtime hours affected10
- Overtime multiplier1.5
Result
- Estimated back pay$350.00
Results explained
- Estimated back pay
- Estimated back pay from the formula above. Does not include interest, penalties, taxes or differing weekly regular-rate calculations.
Frequently asked questions
back pay=(correct−paid rate)×(regular hours+overtime hours×multiplier)
Does not include interest, penalties, taxes or differing weekly regular-rate calculations.
No. All numbers are entered by you or come from the dated reference table shown on this page; calculations run locally.
This is an estimate, not financial, tax or legal advice. Verify the inputs and output with official sources and a qualified professional.
Check period consistency, currency, percentage inputs and the assumptions: Does not include interest, penalties, taxes or differing weekly regular-rate calculations.