Days to Hours Converter

Convert days to hours (d to h) instantly. 1 day = 24 h. Includes the formula and a conversion table.

h = d × 24

How to convert days to hours

h = d × 24

One day equals 24 h, so multiply the value in days by 24. Example: 10 d = 240 h.

A month is taken as the average Gregorian month (30.436875 days) and a year as 365.25 days. For exact calendar spans between two dates, use the date difference calculator.

Days to hours conversion table

Days (d)Hours (h)
1 d24 h
2 d48 h
3 d72 h
5 d120 h
10 d240 h
15 d360 h
20 d480 h
25 d600 h
50 d1,200 h
75 d1,800 h
100 d2,400 h
250 d6,000 h
500 d12,000 h
1,000 d24,000 h

More time conversions

Frequently asked questions

How many hours are in 1 day?

1 day is equal to 24 h.

How do I convert days to hours?

Multiply the number of days by 24. For example, 10 d × 24 = 240 h.

How do I convert hours back to days?

Use the formula d = h × 0.0416666667, or open the hours to days converter.

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