Convert days to hours
1 d = 24 h. Change the amount below, or read the formula and the reference table further down.
1 day equals
hours
1 d = 24 h
The formula
Days and hours both measure time from the same zero, so a single multiplier does the job.
h = d × 24
Going the other way? Convert hours to days.
Days to hours table
Common values, rounded for reading.
| Days (d) | Hours (h) |
|---|---|
| 1 | 24 |
| 2 | 48 |
| 3 | 72 |
| 4 | 96 |
| 5 | 120 |
| 6 | 144 |
| 7 | 168 |
| 8 | 192 |
| 9 | 216 |
| 10 | 240 |
| 15 | 360 |
| 20 | 480 |
| 25 | 600 |
| 30 | 720 |
| 40 | 960 |
| 50 | 1,200 |
| 75 | 1,800 |
| 100 | 2,400 |
| 250 | 6,000 |
| 500 | 12,000 |
| 1,000 | 24,000 |
Questions people ask
- How many hours are in a day?
- One day equals 24 hours.
- How do I convert days to hours by hand?
- Multiply the number of days by 24. For a rough check, 24 is close enough for most everyday use.
- What is 1 day in hours?
- 1 day is 24 hours.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.