Time Converter
Free online calculator for converting between time units — seconds, minutes, hours, days, weeks, months and years. Instant results for scheduling, project planning and duration calculations.
Time Units Reference Table
Common time unit equivalents. 1 day = 24 hours = 1,440 minutes = 86,400 seconds.
| Unit | Minutes | Hours | Days | Weeks |
|---|---|---|---|---|
| 1 second | 0.01667 | 0.000278 | 0.0000116 | ~0 |
| 1 minute | 1 | 0.01667 | 0.000694 | 0.0000992 |
| 1 hour | 60 | 1 | 0.04167 | 0.005952 |
| 1 day | 1,440 | 24 | 1 | 0.1429 |
| 1 week | 10,080 | 168 | 7 | 1 |
| 1 month | 43,829 | 730.5 | 30.44 | 4.348 |
| 1 year | 525,960 | 8,766 | 365.25 | 52.18 |
Duration Reference
| Duration | Equivalent |
|---|---|
| 1 minute | 60 seconds |
| 1 hour | 3,600 seconds / 60 minutes |
| 1 day | 86,400 seconds / 1,440 minutes |
| 1 week | 604,800 seconds / 168 hours |
| 1 month (avg) | 2,629,746 seconds / 730.5 hours |
| 1 year | 31,536,000 seconds / 8,760 hours |
| 1 decade | 315,360,000 seconds / 87,600 hours |
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About Time Units
The SI unit of time is the second (s). All other time units are defined relative to it: 1 minute = 60 seconds, 1 hour = 3,600 seconds, 1 day = 86,400 seconds.
A calendar month averages 30.44 days (365.25 ÷ 12) since months vary between 28 and 31 days. A year has 365 days (or 366 in a leap year). For precise calculations, the tropical year is 365.2422 days; the Gregorian calendar uses 365.2425 days on average.
Common uses: project management (working hours and days), payroll (converting hours to weeks or months), physics problems (converting between seconds and larger units), and countdown timers (converting days to hours, minutes and seconds).