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Time Duration Calculator
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Add Time Durations (HH:MM:SS)
Decimal Hours Converter
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Four tools: add HH:MM:SS durations with total in decimal hours, work hours from check-in/out minus lunch, world time converter for 20 timezones, travel time from speed and distance.
How to Use
- 1Add Times tab: enter multiple durations in HH:MM:SS format and click Calculate Total
- 2Total is shown in hours, minutes, seconds, and decimal hours
- 3Work Hours tab: enter check-in, check-out, and lunch break in minutes
- 4Travel Time: enter speed and distance with matching units
- 5World Time Converter: enter a local time and click Convert to see it in 20 time zones
Features
- Add multiple HH:MM:SS durations with decimal hours conversion
- Work hours: check-in, check-out, minus lunch break
- World time converter: 20 major time zones
- Travel time: speed + distance → duration
- Decimal hours ↔ hours:minutes converter
- 100% browser-based
Frequently Asked Questions
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