1 day = 24 hours
Convert days to hours.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
h = d × 24
Worked through with a real value: 10 days = 240 hours.
Going the other way: d = h × 0.0416667, so 1 hour = 0.0416667 days.
What each unit is
- day d
- Twenty-four hours, the time of one complete Earth rotation and the calendar base unit.
- hour h
- Sixty minutes, the everyday unit for schedules, appointments and travel time.
Conversion tables
| days (d) | hours (h) |
|---|---|
| 1 | 24 |
| 2 | 48 |
| 3 | 72 |
| 4 | 96 |
| 5 | 120 |
| 6 | 144 |
| 7 | 168 |
| 8 | 192 |
| 9 | 216 |
| 10 | 240 |
| 20 | 480 |
| 25 | 600 |
| 50 | 1200 |
| 75 | 1800 |
| 100 | 2400 |
| hours (h) | days (d) |
|---|---|
| 1 | 0.0416667 |
| 2 | 0.0833333 |
| 3 | 0.125 |
| 4 | 0.166667 |
| 5 | 0.208333 |
| 6 | 0.25 |
| 7 | 0.291667 |
| 8 | 0.333333 |
| 9 | 0.375 |
| 10 | 0.416667 |
| 20 | 0.833333 |
| 25 | 1.04167 |
| 50 | 2.08333 |
| 75 | 3.125 |
| 100 | 4.16667 |
Questions
How many hours are in a day?
1 day = 24 hours.
How do I convert days to hours?
Use h = d × 24. For example, 10 days = 240 hours.
How many days are in one hour?
1 hour = 0.0416667 days.
What is 10 days in hours?
10 days = 240 hours.
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