Duration Converter
Parses human-friendly durations like "1h 23m", "90 min" or "1:23:05" into seconds, minutes, hours and days, and formats a number of seconds back into a readable duration, in both directions live.
Read the full guide to this tool
Notes
- Days here are always 24 hours; calendar effects like daylight saving are ignored, as in most software timers.
- Everything runs locally in your browser; nothing you enter is sent to any server.
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