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How to calculate hours worked on a time card

You have a week of clock-in and clock-out times and want the hours, the overtime and the pay. You will enter each shift once and read the totals. Five shifts of 09:00–17:30 with a 30-minute break are 40 hours; a Saturday morning on top makes 45, with 5 hours of overtime. Nothing leaves this tab.

6-minute read

Today's result Hours per shift, the week's total in hours:minutes and decimal hours, regular and overtime hours, and gross pay if you entered a rate.

Open the time card calculator with your shift times at hand. Enter unpaid breaks only; paid breaks count as work. Overtime rules differ by country and contract, so set the threshold and multiplier to match yours. Nothing is uploaded.

Open Time card calculator
Contents

  1. Collect start, end and break

    For each day you need the clock-in time, the clock-out time and the unpaid break in minutes. One shift = end − start − break: 09:00 to 17:30 is 8 hours 30 minutes, minus 30 minutes is 8 hours.

    One shift = end − start − unpaid break: 09:00–17:30 minus 30 minutes is 8 hours.
    One shift = end − start − unpaid break: 09:00–17:30 minus 30 minutes is 8 hours.

  2. Open Time card calculator on cv.cm

    Five shifts of 09:00–17:30 with 30-minute breaks are filled: 40:00 hours. Each row shows its hours on the right. Nothing is uploaded.

    Open Time card calculator

  3. Enter each shift

    Change the start, end and break per row. Add shift adds a sixth day; × removes a row. A row marked ! has a missing time or a break longer than the shift.

  4. Handle night shifts

    If the end time is earlier than the start, the shift runs past midnight: 22:00 to 06:00 is 8 hours and shows a ☾. Do not split it into two days.

  5. Read overtime and pay

    Add Saturday 09:00–14:00 with no break: total 45:00, regular 40:00, overtime 5:00. With a rate of 20 and the default 1.5×, gross pay is 800 + 150 = 950.00.

    45 hours in a week with a 40-hour threshold: 40 regular + 5 overtime at 1.5×.
    45 hours in a week with a 40-hour threshold: 40 regular + 5 overtime at 1.5×.

  6. Convert to decimal hours and copy

    Payroll often wants decimal hours: divide minutes by 60, so 7:45 is 7.75. The totals show both forms. Copy puts them on the clipboard.

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FAQ

Can I calculate hours worked free online?

Yes. cv.cm adds the shifts in this tab. Nothing is uploaded.

How many hours is 9 to 5:30 with a 30-minute break?

8 hours. 8.5 hours on the clock minus the unpaid break.

How do I convert 7 hours 45 minutes to decimal?

Divide the minutes by 60: 45 ÷ 60 = 0.75, so 7.75 hours.

Does it handle night shifts?

Yes. An end time before the start runs past midnight: 22:00 to 06:00 is 8 hours.

Is the overtime rule right for my job?

The default is over 40 hours a week at 1.5×. Some places count daily overtime or use 2×; set the threshold and multiplier to your rules.