Overtime Owed Calculator
Calculate overtime wages owed from hourly rate and hours over 40 per week.
Returns overtime at 1.5x rate, total wages owed, and potential FLSA back pay amount.
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Unpaid overtime is one of the most common wage violations in the United States. Under the Fair Labor Standards Act (FLSA), non-exempt employees must be paid at 1.5× their regular rate for all hours worked over 40 in a single workweek.
Federal overtime formula:
Overtime Rate = Regular Hourly Rate × 1.5
Overtime Hours = Total Hours Worked − 40 (if > 40)
Overtime Pay = Overtime Hours × Overtime Rate
Unpaid Amount = Overtime Pay − Overtime Actually Paid
Worked example:
- Hourly rate: $18.00/hr
- Hours worked this week: 52
- Overtime hours: 52 − 40 = 12 hours
- Overtime rate: $18 × 1.5 = $27.00/hr
- Overtime owed: 12 × $27 = $324.00
- If employer paid only $18/hr for those 12 hours: underpaid by 12 × ($27 − $18) = $108.00
FLSA exemption categories (NOT entitled to overtime):
- Executive employees managing 2+ people
- Administrative employees exercising independent judgment
- Professionals with advanced knowledge (lawyers, doctors, CPAs)
- Outside sales employees
- Salary at or above $684/week ($35,568/year)
Being paid a salary is not on its own an exemption. You have to clear the salary floor and genuinely do exempt duties, and misclassification is one of the most common ways employers get this wrong.
About that $1,128 figure. The Department of Labor raised the threshold to $844/week in July 2024 and scheduled $1,128/week for January 2025. A federal court in Texas vacated that rule nationwide in November 2024, so the floor reverted to $684/week and that is what applies. If you were told you became exempt during 2024, it is worth rechecking.
State law note: Many states have stricter rules:
- California: Daily overtime applies after 8 hours/day; double time after 12 hours
- Alaska, Nevada: Daily overtime after 8 hours
- Colorado: Daily overtime rules apply
Statute of limitations: FLSA claims generally go back 2 years (3 years for willful violations). State laws may allow longer look-back periods.
What to do: Document your time records, contact your state labor board, or consult an employment attorney. Many take wage theft cases on contingency.
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This calculator runs entirely in your browser, so the numbers you enter stay on your device. The math behind it is written by hand and tested against worked examples and standard references before the page goes live.
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