Day to Hour
1 d = 24 h
One day equals 24 hours, and one hour equals 0.041667 days.
Day to Hour formula
h = d × 24
To convert days to hours, multiply the value by 24. One day equals 24 hours.
Step-by-step examples
Convert 1 days to hours
- 1Start with the value in days: 1 d.
- 2Multiply by the conversion factor 24.
- 31 × 24 = 24 h.
Result: 1 d = 24 h
Convert 10 days to hours
- 1Start with the value in days: 10 d.
- 2Multiply by the conversion factor 24.
- 310 × 24 = 240 h.
Result: 10 d = 240 h
Convert 100 days to hours
- 1Start with the value in days: 100 d.
- 2Multiply by the conversion factor 24.
- 3100 × 24 = 2,400 h.
Result: 100 d = 2,400 h
Day to Hour conversion table
Day to Hour chart
d (horizontal) vs h (vertical)
Batch convert — paste multiple values
Related converters
Reverse: Hour to DayConvert from the same unit
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Frequently asked questions
How many hours are in a day?
There are 24 hours in one day (1 d = 24 h).
How do you convert days to hours?
To convert days to hours, multiply the value by 24. One day equals 24 hours.
What is 10 days in hours?
10 days equals 240 hours.
How many days are in a hour?
One hour equals 0.041667 days (1 h = 0.041667 d).