Convert Days to Hours
Use our free online converter to easily convert from Days to Hours. Get accurate conversions instantly.
Converting Days to Hours
Converting days to hours is essential for scheduling, project planning, calculating work hours, and understanding time durations across multiple days.
Mathematical Relationship
The mathematical relation between days and hours is: 1 day = 24 hours. To convert days to hours, multiply the number of days by 24.
Common Conversion Values
| Days | Hours |
|---|---|
| 0.5 | 12 |
| 1 | 24 |
| 2 | 48 |
| 7 | 168 |
| 30 | 720 |
Unit Definitions
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.
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.
Historical Context
The 24-hour day has its origins in ancient Egyptian civilization, which used a duodecimal (base-12) system. They divided daylight into 12 hours and nighttime into 12 hours, though the length of these hours varied with the seasons until the advent of mechanical clocks.