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Days to Hours Converter

Convert days to hours by typing a value: the answer appears as you type. One d equals 24 h, so to go from days to hours you multiply by 24. A table of common values is included below.

Quick examples
d
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Hours240 h
The same number of hours in days
0.4167 d

Days to hours table

Days (d)Hours (h)

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      Formula

      Hours = days × 24
      1 d = 24 h
      1 h = 0.0416667 d

      How to use it

      1. Type the number of days.
      2. Read the result in hours.
      3. Open the table for common values, or use the reverse converter to go from hours to days.

      Worked examples

      1 d in hours

      Hours
      24 h

      14 d in hours

      Hours
      336 h

      Quick reference

      1 d = 24 h. 2 d = 48 h. 3 d = 72 h. 5 d = 120 h. 7 d = 168 h. 10 d = 240 h. 14 d = 336 h. 30 d = 720 h.

      Good to know

      Months and years are not fixed lengths. This converter uses the average Gregorian month of 30.44 days and the Julian year of 365.25 days, which is right for estimates but not for calendar dates.

      Questions people ask

      How many hours are in 1 d?

      1 d is 24 h.

      How do I convert days to hours?

      Multiply by 24. For example, 7 d × 24 = 168 h.

      What is 365 d in hours?

      365 d is 8,760 h.

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