Days to Hours: the quick answer
1 d = 24 h
1 day equals 24 hours
To convert days to hours, multiply the value by 24. To go the other way, multiply hours by 0.0416667 to get days.
Enter details
1 day =
24 hours
1 hour =
0.0416667 days
Formula
h = d × 24
Handy values
5 d = 120 h · 10 d = 240 h · 100 d = 2,400 h
Conversion at a glance
Formula
Days to Hours
h = d × 24
Hours to Days
d = h × 0.0416667
Where
- d = the time in days
- h = the time in hours
Every unit here is defined by its time in seconds, so the conversion factor is (seconds per day) ÷ (seconds per hour).
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 |
| 12 d | 288 h |
| 14 d | 336 h |
| 15 d | 360 h |
| 20 d | 480 h |
| 21 d | 504 h |
| 24 d | 576 h |
| 25 d | 600 h |
| 30 d | 720 h |
| 40 d | 960 h |
| 50 d | 1,200 h |
| 60 d | 1,440 h |
| 75 d | 1,800 h |
| 80 d | 1,920 h |
| 100 d | 2,400 h |
| 200 d | 4,800 h |
| 250 d | 6,000 h |
| 300 d | 7,200 h |
| 400 d | 9,600 h |
| 500 d | 12,000 h |
| 750 d | 18,000 h |
| 1,000 d | 24,000 h |
Worked examples
About these units
Day (d). A day is 24 hours (86,400 seconds).
Hour (h). An hour is 60 minutes (3,600 seconds).
Frequently asked questions
How many hours are in one day?
There are 24 hours in one day.
How do I convert days to hours?
Multiply the number of days by 24. For example, 10 days equal 240 hours.
How many days are in one hour?
One hour equals 0.0416667 days.
How many hours is 12 days?
288 hours. Other common values: 5 days = 120 hours and 100 days = 2,400 hours.
More time conversions
From days
To hours
What people are saying
★★★★★