It accepts a wide range of entry formats and ignores junk lines, so you can paste a week of messy notes and get a clean total.
Calculator
Formula used
Total hours = sum of durations · Billable = total hours − break time
How to use the Time Tracking Hours Calculator
- Paste a day or a week of time entries, one per line.
- Use formats like 9-12, 13-17:30 or "1.5h project X".
- Add your hourly rate for the amount column.
- Read the total, the billable total and the per-line breakdown.
About this tool
The Time Tracking Hours Calculator is built for speed and accuracy: every calculation runs in your browser, so your data never leaves your device and the result updates as you type. It works equally well on a phone, a tablet or a desktop, and it is free to use as many times as you like.
Common use cases
- Wrapping up a week of freelance time tracking.
- Generating payroll hours for a small team.
- Building a monthly invoice from a notes file.
- Spotting days that ran over.
Tips for the best result
- Use the latest figures you have - even a small change in rate or term can shift the outcome by hundreds.
- For annual figures, divide by 12 to get a monthly number you can compare with the result.
- Bookmark this page and revisit the calculation as the inputs change.
Frequently asked questions
What formats does the parser accept?
Ranges like 9-12, 13:00-17:30, 9.30-12 and 9.30-12.30; durations like 1.5h or 2 h; lines starting with "Breaks" or "Break" subtract from the total.
How do I track breaks?
Add a line that says "Breaks 1h" or "Break 30m" - the calculator subtracts it from the billable total automatically.
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