Convert Day to Hour
1 day equals 24 hours. Enter a value below to convert instantly.
Formula
Multiply the number of days by 24 to get hours.
Step by step
- Start with 1 d.
- Multiply by the conversion factor 24.
- 1 × 24 = 24 h.
Day to Hour conversion table
| Days (d) | Hours (h) |
|---|---|
| 1 | 24 |
| 2 | 48 |
| 5 | 120 |
| 10 | 240 |
| 30 | 720 |
| 60 | 1,440 |
| 100 | 2,400 |
| 500 | 12,000 |
| 1,000 | 24,000 |
About the day
The day (d) is a Other unit of time.
About the hour
The hour (h) is a Other unit of time.
Where this conversion is used
Converting days to hours comes up when scheduling, timers, project planning, and physics. Month and year use average calendar lengths, so they are approximate for any specific date range.
Need the other direction? Convert hour to day →
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Frequently asked questions
How many hours are in a day?
One day equals 24 hours.
How do you convert days to hours?
Multiply the number of days by 24 to get hours.
What is 1 hour in days?
One hour equals 0.041666667 days.
When would I convert days to hours?
This conversion is common when scheduling, timers, project planning, and physics.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.