H to D Converter
Convert Hours (h) to Days (d) instantly using this free online converter. Enter a value in Days and the tool will automatically calculate the equivalent value in Hours.
How to use this converter
- Enter a value in Hours (h).
- Confirm h is selected in the “From” dropdown.
- Confirm d is selected in the “To” dropdown.
- The result updates instantly.
Hours to Days formula
To convert hours to days, divide the number of hours by 24.
days = hours ÷ 24
A standard day is defined as 24 hours, so this conversion uses a fixed, exact ratio.
Days to Hours conversion table
| Hours | Days |
|---|---|
| 12 | 0.5 |
| 24 | 1 |
| 48 | 2 |
| 72 | 3 |
| 120 | 5 |
| 168 | 7 |
| 240 | 10 |
FAQs
How many days are in one hour?
One hour equals 1⁄24 of a day. To convert hours to days, divide the number of hours by 24.
Why does the hours to days conversion use 24?
A standard day is defined as 24 hours based on Earth’s rotation cycle. This definition is fixed and universally accepted.
Is the hours to days conversion always exact?
Yes. Hours and days have a constant, standardized relationship, making this conversion mathematically exact with no estimation.
When is it useful to convert hours to days?
Converting hours to days is useful for tracking project timelines, travel durations, work schedules, rental periods, and long-term time planning.