Convert Hours to Days
hr to d · time conversion
What are hours and days?
An hour is 60 minutes, or 3,600 seconds. A day is 24 hours, the time for Earth to rotate once on its axis. For reference: there are 86,400 seconds in a day and 604,800 in a week.
How to convert hours to days
1 hr = 0.0416667 d. To convert, multiply the number of hours by 0.0416667. For example, 5 hr = 0.208333 d, and 20 hr = 0.833333 d. To go the other way, multiply days by 24 (since 1 d = 24 hr).
Hours to Days conversion table
| Hours (hr) | Days (d) |
|---|---|
| 1 | 0.0416667 |
| 5 | 0.208333 |
| 10 | 0.416667 |
| 30 | 1.25 |
| 60 | 2.5 |
| 90 | 3.75 |
| 365 | 15.2083 |
FAQ
What is 1 hr in d?
1 hr = 0.0416667 d. To convert any amount, multiply the number of hours by 0.0416667.
How do I convert days back to hours?
Go the other way: 1 d = 24 hr, so multiply days by 24 to get hours.
Is a hour bigger than a day?
No — 1 hr is the smaller unit, equal to 0.0416667 d (it takes 24 hr to make one d).
Are these time conversions exact?
They use the standard internationally-defined conversion factors. Results are rounded to six significant figures for readability, which is accurate enough for everyday and most technical use.