Hours to days
One h equals 0.04166666667 d. Type any number and the answer appears as you type — the maths happens in your browser.
Result
The same value in every unit
| Unit | Value |
|---|
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Common values
| hours | days |
|---|---|
| 1 h | 0.041666667 d |
| 2 h | 0.083333333 d |
| 3 h | 0.125 d |
| 5 h | 0.20833333 d |
| 10 h | 0.41666667 d |
| 15 h | 0.625 d |
| 20 h | 0.83333333 d |
| 25 h | 1.0416667 d |
| 50 h | 2.0833333 d |
| 100 h | 4.1666667 d |
| 500 h | 20.833333 d |
| 1000 h | 41.666667 d |
How to use
- Enter the number of hours in the field.
- The result in days updates on every keystroke.
- Use the table below for the values people look up most often.
Formula and reverse conversion
The formula
To convert by hand: d = h ÷ 24. Going back the other way, one d is 24 h.
How long a month and a year are here
A month here is the average Gregorian month, 30.44 days, and a year is 365.2425 days. That is the right basis for questions like “how many hours in three months”, but not for a specific calendar month.
d = h ÷ 24
Frequently asked questions
How many days are in one hours?
One h is 0.04166666667 d.
How do I convert hours to days?
Multiply by the factor: d = h ÷ 24.
Is the result exact?
The factors are the exact legal definitions, and up to ten significant digits are kept in the answer. Rounding happens only in the display.
How do I convert days back to hours?
One d is 24 h — or open the reverse page linked below.