Convert Days to Hours
30 d = 720 h
h = d × 24Convert days to hours instantly — type in either box and it works both ways.
How to convert days to hours
To convert days to hours, multiply the number of days by 24.
h = d × 24
Example: convert 30 d to h
- 30 × 24 = 720
- 30 d = 720 h
1 d = 24 h and 1 h = 0.041667 d.
Days to Hours conversion chart
| Days (d) | Hours (h) |
|---|---|
| 1 d | 24 h |
| 2 d | 48 h |
| 5 d | 120 h |
| 10 d | 240 h |
| 15 d | 360 h |
| 30 d | 720 h |
| 45 d | 1,080 h |
| 60 d | 1,440 h |
| 90 d | 2,160 h |
| 120 d | 2,880 h |
| 365 d | 8,760 h |
Frequently asked questions
How do you convert days to hours?
To convert days to hours, multiply the number of days by 24. The formula is h = d × 24.
How many hours are in one day?
1 d = 24 h.
How do I convert hours back to days?
Use the reverse formula: d = h ÷ 24. For example 1 h = 0.041667 d.
Is this converter free and accurate?
Yes. It is free, uses exact internationally defined conversion factors, and runs in your browser — nothing you type is sent anywhere.
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