Time Calculator
Add and subtract time durations with automatic carry/borrow
Time Operation
Format: HH:MM:SS, H:MM, or 1h 30m 45s
Format: HH:MM:SS, H:MM, or 45m 30s
Time Calculation Result
Enter values above to see results
Supported Formats
Standard Format
- • 1:30:45 (1 hour, 30 minutes, 45 seconds)
- • 2:15 (2 hours, 15 minutes)
- • 0:05:30 (5 minutes, 30 seconds)
Text Format
- • 1h 30m 45s
- • 2h 15m
- • 45m 30s
- • 30s