Convert Hours to Days
Use our free online converter to easily convert from Hours to Days. Get accurate conversions instantly.
Converting Hours to Days
Converting hours to days is useful for understanding longer durations of time, calculating project timelines, and interpreting continuous processes or events that span multiple days.
Mathematical Relationship
The mathematical relation between hours and days is: 1 day = 24 hours. To convert hours to days, divide the number of hours by 24.
Common Conversion Values
| Hours | Days |
|---|---|
| 12 | 0.5 |
| 24 | 1 |
| 48 | 2 |
| 72 | 3 |
| 168 | 7 |
Unit Definitions
Hours
An hour (symbol: h) is a unit of time equal to 60 minutes, or 3,600 seconds. It is 1/24 of a day.
Days
A day is a unit of time equal to 24 hours, 1,440 minutes, or 86,400 seconds. It approximately represents the period of time during which the Earth completes one rotation around its axis.
Historical Context
The division of the day into 24 hours has its origins in ancient Egyptian civilization. This division became standardized with the development of mechanical clocks in medieval Europe, allowing for consistent timekeeping regardless of seasonal variations in daylight.