At One Place

Hours to days

1 hour in days
1 h = 0.041667 d
d = h × 1/24

To convert hours to days, multiply by 0.04166666667. The table below gives the values people look up most often, and the converter works for any number.

Hours to days table

Common hour values converted to days.
Hours Days
1 h 0.041667
2 h 0.083333
3 h 0.125
4 h 0.16667
5 h 0.20833
10 h 0.41667
15 h 0.625
20 h 0.83333
25 h 1.041667
30 h 1.25
40 h 1.666667
50 h 2.083333
75 h 3.125
100 h 4.166667
250 h 10.41667
500 h 20.83333
1,000 h 41.66667

How the conversion works

The relationship is d = h × 1/24. Both units measure time, so the conversion is a fixed factor that never changes.

Common questions

How many days are in one hour?
One hour equals 0.041667 days. d = h × 1/24.
How do you convert hours to days?
Use d = h × 1/24. So 10 h is 0.41667 d.
How many hours are in one day?
One day equals 24 hours, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked