Time Calculator
Free online time calculator. Add, subtract, and convert between hours, minutes, seconds, days, and weeks. Perfect for time tracking, scheduling, and more.
Hours
Minutes
Seconds
Time Conversion Reference
Common Conversions
- 1 hour = 60 minutes
- 1 minute = 60 seconds
- 1 hour = 3,600 seconds
- 1 day = 24 hours
- 1 week = 7 days = 168 hours
Quick Examples
- 1h 30m = 90 minutes
- 2h 15m = 2.25 hours
- 90 minutes = 1.5 hours
- 1 week = 10,080 minutes
- 1 day = 86,400 seconds