Convert days to hours
Enter a value in days (d) to get hours (h). One day is 24 hours; one hour is 0.041667 days.
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How to use the Day to hour
- Type the number of days.
- Click Convert.
- Read the result in hours, plus the same value in every other time unit.
d to h formula
hours = days × 24. To go the other way, days = hours × 0.041667 (see hours to days).
Worked example
12 d × 24 = 288 h.
Days to hours conversion table
| Days | Hours |
|---|---|
| 0.1 d | 2.4 h |
| 0.5 d | 12 h |
| 1 d | 24 h |
| 2 d | 48 h |
| 3 d | 72 h |
| 5 d | 120 h |
| 10 d | 240 h |
| 20 d | 480 h |
| 25 d | 600 h |
| 50 d | 1,200 h |
| 100 d | 2,400 h |
| 250 d | 6,000 h |
| 500 d | 12,000 h |
| 1,000 d | 24,000 h |
About the day
24 hours.
About the hour
60 minutes, 3,600 seconds.
Related conversions
Frequently asked questions
How many hours in a day?
24 hours.
How many days in a hour?
0.041667 days.
Is the factor exact?
The factor 24 is derived from the units' exact definitions; only the display is rounded.
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Last updated 2026-09-23.