Day to Hour Converter (d to h)
1 day = 24 hour. A day is 24 hours.
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Result
7 d = 168 h
How to convert day to hour
A day is 24 hours. Converting days to hours is used for shipping windows, medicine schedules, service-level agreements and travel.
Formula
h = d × 24
Worked example
7 d × 24 = 168 h
Day to Hour quick-reference table
| Day (d) | Hour (h) |
|---|---|
| 0.5 d | 12 h |
| 1 d | 24 h |
| 2 d | 48 h |
| 3 d | 72 h |
| 7 d | 168 h |
| 30 d | 720 h |
Real-life examples
A week is 168 hours, and a 3 day delivery window is 72 hours.
Frequently asked questions
How many hours are in a day?
A day is 24 hours.
How many hours are in a week?
A week is 168 hours (7 x 24).
What is 1 day in hour?
1 day = 24 hour (d to h).
What is the formula to convert d to h?
h = d × 24. For example, 7 d × 24 = 168 h.
How do I convert h back to d?
Use the reverse converter: 1 hour = 0.0416667 day. Check: 168 h converts back to 7 d.
Reverse conversion
Need the other direction? Hour to Day converter (h to d): 1 hour = 0.0416667 day.
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