Days to hours converter
Hours (h)
1 day = 24 hours
How to convert days to hours
h = d × 24
Multiply the number of days by 24 to get hours. Going the other way, divide by 24 (or multiply by 0.0416666666667).
One day is exactly defined as 24 hours (to 12 significant figures), and one hour is 0.0416666666667 days.
Worked examples
- Convert 5 days: 5 × 24 = 120 120 hours.
- Convert 12.5 days: 12.5 × 24 = 300 300 hours.
- Convert 250 days: 250 × 24 = 6,000 6,000 hours.
Quick-reference table
| d | h |
|---|---|
| 1 | 24 |
| 2 | 48 |
| 3 | 72 |
| 5 | 120 |
| 10 | 240 |
| 15 | 360 |
| 20 | 480 |
| 25 | 600 |
| 50 | 1,200 |
| 75 | 1,800 |
| 100 | 2,400 |
| 1,000 | 24,000 |
| h | d |
|---|---|
| 1 | 0.04166666667 |
| 2 | 0.08333333333 |
| 3 | 0.125 |
| 5 | 0.2083333333 |
| 10 | 0.4166666667 |
| 15 | 0.625 |
| 20 | 0.8333333333 |
| 25 | 1.041666667 |
| 50 | 2.083333333 |
| 75 | 3.125 |
| 100 | 4.166666667 |
| 1,000 | 41.66666667 |
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Frequently asked questions
How many hours are in 1 day?
1 day equals 24 hours.
What is the formula to convert days to hours?
Use h = d × 24. Multiply the number of days by 24 to get hours. Going the other way, divide by 24 (or multiply by 0.0416666666667).
What is 100 days in hours?
100 days is 2,400 hours.