Support: Hours Calculator

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Common questions

How do I add up hours worked?

For each shift, take the clock-out time minus the clock-in time and subtract the unpaid break, then add the shifts. 9:00 to 5:30 with a 30 minute break is 8 hours. The calculator does it for every day and totals the week in hours and minutes and as a decimal.

How do I convert minutes to decimal hours?

Divide the minutes by 60: 15 minutes is 0.25, 30 is 0.50, 45 is 0.75, and 7:20 is 7.33 hours. The total is shown both ways so it matches a time clock and a pay slip.

When does overtime start?

Under the US Fair Labor Standards Act (29 U.S.C. 207), after 40 hours in a workweek, at not less than one and a half times the regular rate, for employees who are not exempt. Some states add daily overtime: California pays time and a half after 8 hours in a day and double time after 12 (California Department of Industrial Relations overtime FAQ, read 4 October 2026). Set the limits under Overtime rules to match your state or contract.

Does overtime carry over in a two-week pay period?

No. Federal overtime is worked out one workweek at a time, so the calculator splits each week separately: 45 hours then 35 hours is 5 hours of overtime even though the two weeks average 40.

What is the 7-minute rule?

Quarter-hour rounding. US regulations let an employer round times to the nearest 5 minutes, tenth of an hour or quarter hour as long as it averages out and does not short employees (29 CFR 785.48(b), read 4 October 2026). With quarter hours, 1 to 7 minutes round down and 8 to 14 round up. Choose Nearest 15 minutes to apply it to each shift.

How are night shifts handled?

If the clock-out time is earlier than the clock-in time, the shift is taken to end the next day: 22:00 to 06:00 is 8 hours. Type each shift on the day it starts.

Is my time sheet saved or sent anywhere?

No. Everything stays in your browser and is forgotten when you close the page. Use Copy the time sheet to paste it into an email or a document, or Print.

Is this calculator free?

Yes, completely free, with no sign-up.