Overtime hours calculator
Type the hours for each day of your workweek. The tool adds them up and shows how many are over the overtime line. No pay rate needed.
Not legal, tax or payroll advice. General information only; results are estimates. Read the full notice.
Example: 50.00 h (50:00) for the week, with the line at 40 hours, gives 40.00 h (40:00) regular and 10.00 h (10:00) overtime.
Estimate based on what you entered. Not legal or payroll advice; check it against your employer's records.
How to use it
- Type the hours worked each day, in the Monday to Sunday boxes, like 9.5 or 9:30.
- Leave days off blank or at 0.
- Check the Overtime starts after box. It starts at the federal figure cited below.
- Read the total, regular and overtime hours, and how many hours are left before overtime.
Overtime hours and the workweek
To see pay as well, use the overtime calculator.
- The federal Fair Labor Standards Act (29 U.S.C. § 207) sets overtime pay at not less than 1.5 times the regular rate for hours over 40 in a workweek, for employees it covers who are not exempt.
- Under federal regulations, a workweek is a fixed and regularly recurring period of 168 hours, which is seven consecutive 24-hour periods.
Questions
Why does it only count the weekly total?
The federal rule quoted below is about hours in a workweek. This tool therefore compares the week's total with the Overtime starts after figure. A daily overtime rule from your state or employer is not included.
What if my workweek starts on a different day?
The seven boxes are just seven days in a row. Put your workweek's first day in the Monday box and carry on from there.
Can I type minutes?
Yes. Type 8:45 for 8 hours 45 minutes, or 8.75.
Official sources
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29 U.S.C. § 207(a)(1) (opens in new tab), U.S. Government Publishing Office (U.S. Code).
“for a workweek longer than forty hours unless such employee receives compensation for his employment in excess of the hours above specified at a rate not less than one and one-half times the regular rate at which he is employed.”
Checked November 11, 2026. Rules change; verify with the source. -
Overtime Pay (Wage and Hour Division) (opens in new tab), U.S. Department of Labor.
“Unless exempt, employees covered by the Act must receive overtime pay for hours worked over 40 in a workweek at a rate not less than time and one-half their regular rates of pay.”
Checked November 11, 2026. Rules change; verify with the source. -
29 CFR § 778.105 Determining the workweek (opens in new tab), Electronic Code of Federal Regulations (eCFR).
“An employee's workweek is a fixed and regularly recurring period of 168 hours—seven consecutive 24-hour periods.”
Checked November 11, 2026. Rules change; verify with the source.
These are summaries of what the official sources say, not legal advice. Laws change and exceptions apply. Check with your employer or your state labor department about your own job.