Non-HH:MM format
Use 24-hour HH:MM.
Fix: Convert 12-hour times first or pad minutes with zero.
Time Sheet Calculator
Sum multiple HH:MM time ranges into total hours worked — perfect for weekly timesheets
Input
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Output
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What is Time Sheet Calculator
Last reviewed:
Time Sheet Calculator reads one HH:MM-HH:MM range per line, computes each segment's duration, and totals them into hours, minutes, and decimal hours.
It also handles overnight shifts automatically by wrapping the end time past midnight.
Why use it
- Prepare weekly timesheets without a spreadsheet.
- Track freelance hours per project.
- Verify payroll reports.
- Audit daily work blocks quickly.
- Share a total as decimal hours with clients.
Features
- Sums HH:MM-HH:MM ranges per line
- Handles overnight shifts
- Total in h/m and decimal hours
- Processes Time Sheet locally in your browser, no upload required
- Skips invalid lines with a helpful note
How to use Time Sheet Calculator
- Enter ranges. One HH:MM-HH:MM per line.
- Click Run. Per-line durations and the overall total appear.
- Copy totals. Paste into your timesheet or invoice.
Example (before/after)
Time ranges
09:00-12:30 13:30-17:45 19:00-22:00
Totals
09:00-12:30 → 3h 30m 13:30-17:45 → 4h 15m 19:00-22:00 → 3h 0m Total: 10h 45m (10.75 hours)
Common errors
Overnight shifts
End time before start wraps past midnight.
Fix: That's the default — 23:00-01:00 counts as 2 hours.
FAQ
Does it support overnight shifts?
Yes — end times earlier than start times are treated as next-day.
What format should I use?
HH:MM-HH:MM per line in 24-hour notation.
Does it compute breaks?
Not directly — split shifts into two lines to exclude breaks.
Can I copy decimal hours?
Yes — the total is also shown in decimal form.
Is input uploaded?
No — calculations run in your browser.
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