Tools
Time card calculator: hours worked each day and week, with unpaid breaks
A time card calculator adds up the hours between clock in and clock out and takes off unpaid breaks. Enter the start, end and break for each day below and it shows the daily and weekly total in hours and minutes and in decimal hours. A shift that ends earlier than it starts is counted as ending the next day.
Enter the week
No sign-up needed. The calculation runs in your browser; nothing is sent to Regsta or saved.
The table starts with an example: Monday to Friday, 09:00 to 17:30 with a 30-minute unpaid break.
Monday
Hours:minutesDecimal hours
Ends next day
Tuesday
Hours:minutesDecimal hours
Ends next day
Wednesday
Hours:minutesDecimal hours
Ends next day
Thursday
Hours:minutesDecimal hours
Ends next day
Friday
Hours:minutesDecimal hours
Ends next day
Saturday
Hours:minutesDecimal hours
Ends next day
Sunday
Hours:minutesDecimal hours
Ends next day
Week total
Hours:minutes:
Decimal hours:
A row needs both a start and an end time to be counted.
What the result assumes
- Hours worked are the end time minus the start time minus the unpaid break.
- If the end time is earlier than the start time, the shift ends the next day: 22:00 to 06:00 is 8 hours before any break.
- Equal start and end times count as no time, not as 24 hours.
- A break longer than the shift gives 0 hours, never a negative number.
- Decimal hours are rounded to two decimals. The weekly decimal figure comes from the total minutes, so it can differ by 0.01 from adding the daily figures.
- No rounding to quarter hours, no paid breaks and no rounding rules from your payroll are applied.
Questions about calculating hours worked
- How do I calculate hours worked with a break?
- Subtract the start time from the end time, then subtract the unpaid break. From 09:00 to 17:30 is 8 hours 30 minutes; with a 30-minute unpaid break that is 8 hours, or 8.00 in decimal hours. The calculator does this for each day and adds the days together for the week.
- How are overnight shifts calculated?
- When the end time is earlier than the start time, the calculator treats the shift as ending the next day, so 22:00 to 06:00 is 8 hours before any break. Enter the whole shift in the row of the day it started, and its hours count in that row and in the week total.
- How do I convert hours and minutes to decimal hours?
- Divide the minutes by 60 and add the hours. 7 hours 45 minutes is 7 plus 45 divided by 60, which is 7.75. Payroll systems usually multiply decimal hours by the hourly rate, which is why the calculator shows both forms. Check which form your payroll system expects before you copy a number.
- Does the calculator save the times I enter?
- No. The calculation runs in your browser on this page, nothing is sent to Regsta and nothing is stored. Reload the page and the example returns. If you want hours recorded and kept, employees can clock in and out in Regsta and managers approve the timesheet.
Calculator, spreadsheet or software
A calculator answers one question for one week. When the same question comes up every pay period, the answer belongs in a record.
- This calculator: one person and one week, entered by hand. Nothing is kept once you close the page.
- A spreadsheet: keeps a history and can be shared, but each person's file, the formulas and the approval are yours to maintain.
- Regsta: employees clock in and out on their own phone, each finished shift goes to a manager as awaiting approval, corrections keep the original entry, and approved hours export as a pay summary file, CSV or Excel.
More tools and reading
Record the hours instead of adding them up
Create your company, invite your team and approve the first week of hours.