Convert Hour to Day
Use this free converter to change hours (h) into days (d). Hour and day both measure time. As a quick reference, 1 h equals 0.041666667 d, and 1 d equals 24 h.
Free · runs in your browser · no sign-up
Day (d)
0.041666667
1 h = 0.041666667 d
Time conversion table
| Hour | Day |
|---|---|
| 0.01 | 0.00041666667 |
| 0.1 | 0.0041666667 |
| 0.5 | 0.020833333 |
| 1 | 0.041666667 |
| 2 | 0.083333333 |
| 3 | 0.125 |
| 5 | 0.20833333 |
| 10 | 0.41666667 |
| 20 | 0.83333333 |
| 25 | 1.0416667 |
| 50 | 2.0833333 |
| 100 | 4.1666667 |
| 1,000 | 41.666667 |
How to convert Hour to Day
Multiply the hour value by 0.041666667 to get days.
- Enter the number of hours you want to convert.
- The converter instantly shows the equivalent value in days.
- Worked example: 15 h × 0.041666667 = 0.625 d.
- Use the swap button to reverse the conversion (day to hour).
About these units
Hour (h)
- Definition
- An hour (h) is a unit of time equal to 60 minutes, or 3,600 seconds.
- History
- Ancient Egyptians divided day and night into twelve parts each, giving the 24-hour day.
- Current use
- Hours organise work, travel, and daily life around the globe.
Day (d)
- Definition
- A day (d) is the time for one rotation of the Earth, taken as exactly 86,400 seconds.
- History
- The day is one of the oldest natural time units, tied to the cycle of sunlight.
- Current use
- Days are the basic unit of calendars and scheduling everywhere.
Frequently asked questions
How many days are in a hour?
There are 0.041666667 d in 1 h. To convert, multiply the number of hours by 0.041666667.
How do I convert hours to days?
Multiply the hour value by 0.041666667 to get days. For example, 10 h = 0.41666667 d.
Is this hour-to-day converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Hour to other time units
| Unit | 1 Hour equals |
|---|---|
| Second (s) | 3600 s |
| Millisecond (ms) | 3600000 ms |
| Microsecond (µs) | 3600000000 µs |
| Minute (min) | 60 min |
| Day (d) | 0.041666667 d |
| Week (wk) | 0.005952381 wk |
| Month (mo) | 0.0013689254 mo |
| Year (yr) | 0.00011407712 yr |