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Hours Calculator

Add up start and end times with breaks removed, across one shift or many, and see the total three ways.

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    Enter a start time, an end time and any unpaid break, and this hours calculator gives the total in hours and minutes, decimal hours and total minutes. You can add more spans for split shifts or a whole week, and an optional hourly rate turns the total into a pay estimate.

    How to use this hours calculator

    1. Type the start time and end time of the first span.
    2. Add the unpaid break in minutes, such as a lunch break, and it comes off that span.
    3. Add another span for a split shift, a second job, or the next day, and the page adds them all together.
    4. Read the total three ways: hours and minutes, decimal hours, and total minutes.
    5. Add an hourly rate if you want a rough pay figure for the time entered.
    6. Press the button under the tool to download a text summary of the result.

    How night shifts and split days are counted

    An end time earlier than the start is read as the next day. A span from 10 at night to 6 in the morning counts as a full night shift rather than a negative number, which is how night work is actually logged.

    Spans add up cleanly across a week. Two short shifts a day, five days running, can go in as ten spans and still land on one total.

    Decimal hours exist for payroll and timesheets, where 8.5 hours is easier to multiply by a rate than 8 hours 30 minutes. Total minutes suit anyone logging time in round blocks.

    Breaks sit inside each span rather than in one lump at the end. That keeps a short day and a long day honest when their breaks differ, and the total still adds up at the bottom.

    The three total formats exist because different readers need different things. Hours and minutes read naturally, decimal hours feed straight into pay math, and total minutes suit anyone billing or logging in blocks.

    Details and limits of this hours calculator

    A start and end at the exact same time reads as 0 hours, not 24. If you worked a full day and night, enter it as spans that cross midnight so the count stays honest.

    The pay figure is an estimate. Payroll rounding rules differ between employers, overtime law varies by place, and premiums for nights or weekends are not built in. Treat the money figure as a guide, and this page is not payroll advice.

    Breaks are only taken off when you enter them. If part of a break is paid, leave that part out of the break box so it stays in the total.

    Times are entered as clock times on a day that can roll into the next. A stretch longer than a day belongs in pieces, one span per day, so the overnight rule does not stretch it into something it is not.

    The calculator runs in your browser. Times you enter are never uploaded or stored, there is no sign-up, and there are no usage caps.

    FAQs

    How does the calculator handle a night shift?

    When the end time is earlier than the start time, the end is treated as the next morning. A shift from 10 in the evening to 6 in the morning counts as 8 hours.

    What if my start and end times are the same?

    The span counts as 0 hours. The tool reads identical times as no time passed, not a full day, so a genuine 24 hour stretch needs to go in as spans crossing midnight.

    How do I add up a split shift?

    Add one span for each piece of the day, morning and evening, with breaks taken off each span. The page sums every span into one total automatically.

    What are decimal hours for?

    Payroll and invoicing. Multiplying 7.75 hours by a rate is simpler than working with 7 hours 45 minutes, so most timesheets ask for the decimal form.

    Is the pay figure exact?

    No. It is the total time times the rate you typed, before tax and before any overtime or rounding rules your employer or local law applies. Use it as a check, not a payslip.

    Are breaks removed automatically?

    Only the break minutes you enter for each span. Paid breaks should stay out of the break box so they remain in your paid total.

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