Convert hours to days
Type the number of hours that you wish to convert to days.
How to Convert Hours to Days
The hour and day are both units of time. By definition, 1 day equals exactly 24 hours. This means to convert hours to days, you divide by 24.
Formula
Step-by-Step Example
Convert 5 h to days:
We need to convert hours to days
Since 1 d = 24 h, divide by 24
5 ÷ 24 = 0.2083333333
5 h = 0.2083333333 d
Hour to Day Conversion Table
Quick reference table for common hour to day conversions. Click any value for detailed calculation.
| Hours (h) | Days (d) |
|---|---|
| 1 h | 0.0416666667 d |
| 2 h | 0.0833333333 d |
| 5 h | 0.2083333333 d |
| 10 h | 0.4166666667 d |
| 15 h | 0.625 d |
| 20 h | 0.8333333333 d |
| 25 h | 1.0416666667 d |
| 50 h | 2.0833333333 d |
| 100 h | 4.1666666667 d |
About These Units
Hour (h)
An hour (h or hr) equals 60 minutes or 3,600 seconds. Hours structure our daily lives: work schedules, sleep (7-9 hours recommended), travel times, and time zones. There are 24 hours in a day, 168 hours in a week, approximately 8,760 hours in a year.
Day (d)
A day (d) equals 24 hours or 86,400 seconds, based on Earth's rotation. Days measure deadlines, project timelines, medication schedules, and vacation lengths. A solar day varies slightly; the mean solar day defines our 24-hour clock. There are 365.25 days in a year on average.
Frequently Asked Questions
How do I convert hours to days?
To convert hours to days, divide the value by 24. For example, 10 h = 0.4166666667 d.
How many days are in 1 hour?
1 hour equals 0.0416666667 days.
What is the formula for hours to days?
The formula is: d = h ÷ 24.