Time Duration Calculator
Calculate duration between two times
Enter Times
Results
Duration
8h 0m
Hours
8h 0m
Total Hours
8
Total Minutes
480
Duration Tips
Use multi-day mode to calculate durations spanning multiple days
Quick Facts
A standard workday is 8 hours, a work week is typically 40 hours
Note
Single-day mode assumes end time after start, crossing midnight if needed
How this time duration calculator works
Calculate the duration between two times. For same-day calculations, the calculator assumes the end time is after the start. Enable "Include Date" for multi-day durations.
- Same day: If end time is earlier than start, assumes next day
- Multi-day: Calculates exact duration between dates and times
- Results show hours, minutes, and decimal hours
Last updated: February 2026
Time duration calculator FAQ
What if my times cross midnight?
In single-day mode, the calculator assumes end time is after start. Enable dates for precise multi-day calculation.
Can I track work hours with this?
Yes! Enter your clock-in and clock-out times to calculate total work hours.
Why use decimal hours?
Decimal hours (e.g., 7.5 instead of 7:30) makes it easier to calculate pay or billing rates.
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