How to convert days to hours
h = d × 24
Example: 5 d × 24 = 120 h
Days to Hours table
| Days (d) | Hours (h) |
|---|---|
| 0.5 d | 12 h |
| 1 d | 24 h |
| 2 d | 48 h |
| 3 d | 72 h |
| 4 d | 96 h |
| 5 d | 120 h |
| 6 d | 144 h |
| 7 d | 168 h |
| 8 d | 192 h |
| 9 d | 216 h |
| 10 d | 240 h |
| 15 d | 360 h |
| 20 d | 480 h |
| 25 d | 600 h |
| 30 d | 720 h |
| 40 d | 960 h |
| 50 d | 1,200 h |
| 75 d | 1,800 h |
| 100 d | 2,400 h |
| 250 d | 6,000 h |
| 500 d | 12,000 h |
| 1,000 d | 24,000 h |
About these units
Days (d): A day is 24 hours or 86,400 seconds.
Hours (h): An hour is 60 minutes or 3,600 seconds.
Frequently asked questions
How many hours are in 1 day?
1 day equals 24 hours.
How do I convert d to h?
Multiply the value in days by 24. For example, 5 d × 24 = 120 h.
How do I convert hours back to days?
Multiply by 0.04166666667 (or divide by 24). 1 h = 0.04166666667 d.
What is a day?
A day is 24 hours or 86,400 seconds.
Conversion factors come from exact international definitions (NIST SP 811, BIPM) where they exist. Results show up to 10 significant digits. Need every time unit at once? Use the Time Converter.