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Online Work Hours Calculator
Calculate weekly work hours from daily start, end, and break times, with automatic regular and overtime totals in hours and decimals — free.
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
| TIME CARD | |||||
|---|---|---|---|---|---|
| Day | Start Time | End Time | Break | Total | Total decimal |
| Monday | 08:30 AM | 05:30 PM | 01:00 | 08:00 | 8.00 |
| Tuesday | 08:30 AM | 06:30 PM | 01:00 | 09:00 | 9.00 |
| Wednesday | 09:30 AM | 06:30 PM | 01:00 | 08:00 | 8.00 |
| Thursday | 09:00 AM | 06:00 PM | 01:00 | 08:00 | 8.00 |
| Friday | 09:00 AM | 05:30 PM | 01:00 | 07:30 | 7.50 |
| Saturday | 09:30 AM | 12:30 PM | 00:30 | 02:30 | 2.50 |
| Sunday | - | - | - | - | - |
| REG | 40:00 | 40.00 | |
|---|---|---|---|
| OT | 03:00 | 3.00 | |
| Total | 43:00 | 43.00 |
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What Is This Tool?
The Work Hours Calculator turns a week of start times, end times, and break minutes into a clear time card. For each day you enter when you started, when you finished, and how many minutes of break to subtract, and the tool shows the hours worked that day in both HH:MM and decimal form. It then adds up the week, splitting the total into regular hours up to 40 and overtime above that, and lets you download the finished time card as a PDF. Days left blank are simply treated as days off.
How to Use This Tool?
- Enter the start and end time for each day you worked.
- Add the break length in minutes for each of those days.
- Click Calculate to build the weekly time card and totals.
- Click Download Result as PDF to save a copy.
Key Features
- Enter start time, end time, and break minutes for each of the seven days of the week.
- Shows hours worked per day and for the whole week in both HH:MM and decimal hours.
- Automatically splits the weekly total into regular hours (up to 40) and overtime (above 40).
- Per-day clear buttons, and any day left blank is excluded as a day off.
- Download the resulting time card as a PDF.
Examples
- A day from 08:30 to 17:30 with a 60-minute break counts as 8.00 hours.
- A short day from 09:30 to 12:30 with a 30-minute break counts as 2.50 hours.
- A full week of those entries totals 43:00, shown as 40:00 regular plus 03:00 overtime.
- Leaving Sunday's start and end blank excludes it from the weekly total.
Common Use Cases
- Hourly employees tracking how many hours they worked in a week.
- Freelancers logging billable time across several days.
- Small business owners preparing a weekly time card for payroll.
- Workers checking whether they crossed into overtime hours.
- Part-time or shift workers totaling irregular daily schedules.
Tips & Best Practices
- Use the time picker so start and end times are entered in a consistent format.
- Enter break length in minutes, not hours, for each day.
- Leave both start and end blank on days you did not work.
- Remember overtime begins after 40 hours in the week.
- Recalculate after editing any day so the totals stay accurate.
Limitations
- The overtime threshold is fixed at 40 hours per week and cannot be changed.
- It does not handle overnight shifts where the end time is earlier than the start time.
- Breaks are subtracted as a flat number of minutes, with no automatic break rules.
- It calculates hours only — no pay rates, taxes, or regional labor-law rules.
Frequently Asked Questions
- How is overtime calculated?
- Any hours beyond 40 in the week are counted as overtime, and the rest are counted as regular hours.
- How do I mark a day off?
- Leave that day's start and end times blank, and it will be excluded from the weekly total.
- Can it handle night shifts that cross midnight?
- No. It expects the end time to be later than the start time on the same day, so overnight shifts are not supported.
- Can I save my time card?
- Yes. Click Download Result as PDF to save the full time card and totals as a file.
Key Terminology
- Time card
- A record of the hours worked across a period, here showing each day plus weekly totals.
- Regular hours
- The worked hours counted at the standard rate, up to 40 in a week.
- Overtime
- The hours worked beyond the 40-hour weekly threshold.
- Decimal hours
- Time expressed as a decimal number, where 30 minutes is shown as 0.50 instead of 0:30.
- Break
- Unpaid minutes subtracted from a day's worked time, such as a lunch break.