Days to Hours (d to h)
Free online day to hour converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
TIME CONVERTER — INSTANT RESULT
Formula: multiply the day value by 24 — i.e. h = d × 24
Quick check: 1 d = 24 h
Quick check: 1 d = 24 h
Days to Hours conversion table
| Days (d) | Hours (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 |
How to convert days to hours
To convert days to hours, multiply the amount in days by 24. For example, 10 d = 240 h. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between seconds, minutes, hours, days, weeks, months and years. Calendar months and years vary, so this converter uses the Gregorian averages (1 year = 365.2425 days, 1 month = 1/12 year).
Frequently asked questions
How many hours are in one day?
One day is exactly 24 hours.
How do I convert d to h?
Multiply the d value by 24 to get h. The converter at the top of this page does this automatically and works in both directions.
How much is 100 days in hours?
100 days equals 2,400 hours.