Convert Hour to Day
Convert Hour to Day instantly. 1 h = 0.041667 d. Formula, worked examples and a quick reference table.
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d
One hour equals 0.041667 day. To convert any number of hours to days, multiply by 0.04166667.
The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.
Hour to Day formula
day = hour × 0.04166667
To go the other way, use hour = day ÷ 0.04166667.
Hour to Day conversion table
| Hour | Day |
|---|---|
| 1 h | 0.0417 d |
| 2 h | 0.0833 d |
| 3 h | 0.125 d |
| 5 h | 0.2083 d |
| 10 h | 0.4167 d |
| 20 h | 0.8333 d |
| 25 h | 1.0417 d |
| 50 h | 2.0833 d |
| 100 h | 4.1667 d |
| 250 h | 10.4167 d |
| 500 h | 20.8333 d |
| 1,000 h | 41.6667 d |
Frequently asked questions
How many days are in a hour? +
There are 0.041667 days in one hour.
What is 10 h in d? +
10 h equals 0.4167 d. Multiply 10 by 0.04166667.
How do I convert day back to hour? +
Use hour = day ÷ 0.04166667. The converter above handles both directions, or see our dedicated Day to Hour page.