How to convert hours to days
Hours and Days both measure time, so converting is a single multiplication. One h equals 0.041667 d, so you multiply your hours value by 0.041667.
Formula: days = hours × 0.041667. For example, 10 h = 0.416667 d.
Hours to Days conversion table
| Hours (h) | Days (d) |
|---|---|
| 1 | 0.041667 |
| 2 | 0.083333 |
| 5 | 0.208333 |
| 10 | 0.416667 |
| 25 | 1.041667 |
| 50 | 2.083333 |
| 100 | 4.166667 |
| 1,000 | 41.666667 |
Hours and Days explained
Hours (h): Sixty minutes (3,600 seconds).
Days (d): Twenty-four hours (86,400 seconds).
When you'd convert hours to days
You'll convert hours to days whenever a measurement is given in one unit but you need it in the other — comparing hours and days figures across regions, following a recipe or spec, or double-checking a number. Because 1 h is exactly 0.041667 d, the result is precise every time.
Frequently asked questions
How many days are in a hour?
One h equals 0.041667 d. Multiply your hours figure by 0.041667 to get days.
What is the formula to convert hours to days?
days = hours × 0.041667. The factor 0.041667 is exact.
What is 2 hours in days?
2 h = 0.083333 d. You can enter any value in the converter above to get an instant result.
Is this Hours to Days converter accurate?
Yes. It uses the standard conversion factor (1 h = 0.041667 d) defined by BIPM — SI Brochure (definition of the second), so results are exact to several decimal places.