Hours to Days Converter
Convert hours to days instantly. Type a value, change either unit, or press swap to go the other way. 1 hour = 0.041666667 days.
1 hour = 0.041666667 days
How to convert hours to days
days = hours × 0.0416666667
To convert hours to days, multiply the value by 0.0416666667. To go back from days to hours, divide by the same number (or multiply by 24).
Worked examples
- 12 h: 12 × 0.0416666667 = 0.5 d
- 24 h: 24 × 0.0416666667 = 1 d
- 36 h: 36 × 0.0416666667 = 1.5 d
Divide by 24. Use 12 hours as a half-day and 48 hours as two days for quick checks.
Hours to Days conversion table
Hours to Days
| h | d |
|---|---|
| 1 | 0.041666667 |
| 6 | 0.25 |
| 12 | 0.5 |
| 24 | 1 |
| 36 | 1.5 |
| 48 | 2 |
| 72 | 3 |
| 100 | 4.1666667 |
| 168 | 7 |
| 720 | 30 |
Days to Hours
| d | h |
|---|---|
| 1 | 24 |
| 6 | 144 |
| 12 | 288 |
| 24 | 576 |
| 36 | 864 |
| 48 | 1,152 |
| 72 | 1,728 |
| 100 | 2,400 |
| 168 | 4,032 |
| 720 | 17,280 |
Time equivalents
See how one hour and one day compare with every other time unit on the site.
1 hour equals
| Unit | Value |
|---|---|
| seconds (s) | 3,600 |
| minutes (min) | 60 |
| days (d) | 0.04166667 |
| weeks (wk) | 0.005952381 |
1 day equals
| Unit | Value |
|---|---|
| seconds (s) | 86,400 |
| minutes (min) | 1,440 |
| hours (h) | 24 |
| weeks (wk) | 0.1428571 |
When you need to convert hours to days
Shipping windows, warranty periods, medication schedules and server uptime reports all mix hours and days. Dividing by 24 is easy for round numbers but awkward for values like 100 hours, so a converter saves time.
About the units
Hour (h)
An hour is 60 minutes, or 3,600 seconds. It is the standard unit for work shifts, travel time and billing.
Day (d)
A day is 24 hours, or 86,400 seconds, based on one rotation of the Earth. It is the basic unit of calendars and deadlines.
Frequently asked questions
How do I convert hours to days?
Multiply the number of hours by 0.0416666667. For example, 10 hours × 0.0416666667 = 0.4166666667 days.
How many days are in one hour?
There are 0.0416666667 days in one hour.
How many hours are in one day?
There are 24 hours in one day.
How many days and hours is 100 hours?
100 hours is 4.1667 days, which is 4 days and 4 hours.
Can I convert other time units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any time unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.