Convert Days to Hours
1 day = 24 hours. Type any value below to convert in either direction — the calculation happens in your browser.
Days to Hours formula
Multiply the number of days by 24 to get hours.
hours = days × 24To go the other way: divide the number of hours by 24, or multiply by 0.04166667.
days = hours ÷ 24Days to Hours conversion table
| Days | Hours |
|---|---|
| 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 |
Hours to Days conversion table
| Hours | Days |
|---|---|
| 1 h | 0.04166667 d |
| 2 h | 0.08333333 d |
| 3 h | 0.125 d |
| 4 h | 0.1666667 d |
| 5 h | 0.2083333 d |
| 6 h | 0.25 d |
| 7 h | 0.2916667 d |
| 8 h | 0.3333333 d |
| 9 h | 0.375 d |
| 10 h | 0.4166667 d |
About the day
A day is exactly 86,400 seconds by convention, ignoring leap seconds and slight variations in Earth’s rotation.
About the hour
An hour is 60 minutes, or 3,600 seconds — one twenty-fourth of a day.
Frequently asked questions
How many hours are in a day?
There are 24 hours in one day.
How many days are in a hour?
There are 0.04166667 days in one hour.
Is this conversion exact?
The ratio between the day and the hour is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 days in hours?
10 days equals 240 hours.