Count Hours Calculator
Add multiple time entries together and convert the total into a clean hours-and-minutes answer.
This is handy for work logs, study sessions, project tracking, or any situation where you need to total up several durations.
Result
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Run the calculation to see the total time.
Quick Answer
Count hours by adding each duration together, then converting the total back into hours, minutes, and seconds or into decimal hours.
How to Use It
- Choose how many time entries you want to add.
- Enter each duration in hours, minutes, and seconds.
- Choose the output style you want to see.
- Click Calculate.
Formula
Total seconds = sum of each entry converted to seconds
Total time = total seconds converted back to hours, minutes, and seconds
Worked Examples
Example 1: 2h 15m + 1h 30m = 3h 45m.
Example 2: 45m + 30m + 15m = 1h 30m.
Example 3: 1h 10m 30s + 0h 49m 30s = 2h 0m 0s.
How to Interpret Your Results
| Output | Meaning | Action |
|---|---|---|
| Total time | The combined duration of all entries. | Use it for logs, schedules, or billing totals. |
| Decimal hours | The same total written as a base-10 hour value. | Useful for payroll and reporting. |
| Large total | Many entries were added together. | Check that each row contains the intended duration. |
Frequently Asked Questions
Yes. Blank rows are treated as zero.
Yes. The result automatically carries 60 minutes into an hour and 60 seconds into a minute.
Not exactly. This tool adds multiple durations together, while Time Duration compares two times.
Related Calculators
References
- OmniCalculator reference page
- The calculator sums multiple durations and converts the total into familiar time units.
- Last reviewed: March 2026.