Convert Days to Hours

Enter the time in days below to get the value converted to hours.

SWAP UNITS
Results in Hours:
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1 day = 24 hr
Do you want to convert hours to days?

How to Convert Days to Hours

Calendars document the days in a month

To convert a day measurement to a hour measurement, multiply the time by the conversion ratio. One day is equal to 24 hours, so use this simple formula to convert:

hours = days × 24

The time in hours is equal to the days multiplied by 24.

For example, here's how to convert 5 days to hours using the formula above.
5 day = (5 × 24) = 120 hr

Days and hours are both units used to measure time. Keep reading to learn more about each unit of measure.

Days

One day is the time it takes for the Earth to complete a single rotation around its axis in relation to the Sun. There are 24 hours in a day.

The day is an SI accepted unit for time for use with the metric system. Days can be abbreviated as day, for example 1 day can be written as 1 day.

Hours

The hour is a period of time equal to 1/24 of a day or 60 minutes.

The hour is an SI accepted unit for time for use with the metric system. Hours can be abbreviated as hr, for example 1 hour can be written as 1 hr.

Day Measurements and Equivalent Hour Conversions

Common day values converted to the equivalent hour value
Days Hours
1 day 24 hr
2 day 48 hr
3 day 72 hr
4 day 96 hr
5 day 120 hr
6 day 144 hr
7 day 168 hr
8 day 192 hr
9 day 216 hr
10 day 240 hr
11 day 264 hr
12 day 288 hr
13 day 312 hr
14 day 336 hr
15 day 360 hr
16 day 384 hr
17 day 408 hr
18 day 432 hr
19 day 456 hr
20 day 480 hr
21 day 504 hr
22 day 528 hr
23 day 552 hr
24 day 576 hr
25 day 600 hr
26 day 624 hr
27 day 648 hr
28 day 672 hr
29 day 696 hr
30 day 720 hr
31 day 744 hr
32 day 768 hr
33 day 792 hr
34 day 816 hr
35 day 840 hr
36 day 864 hr
37 day 888 hr
38 day 912 hr
39 day 936 hr
40 day 960 hr

More Day Time Conversions

Convert to Centuries
1 day is equal to 2.7379E-5 centuries
Convert to Decades
1 day is equal to 0.000274 decades
Convert to Years
1 day is equal to 0.002738 years
Convert to Months
1 day is equal to 0.032855 months
Convert to Weeks
1 day is equal to 0.142857 weeks
Convert to Minutes
1 day is equal to 1,440 minutes
Convert to Seconds
1 day is equal to 86,400 seconds
Convert to Milliseconds
1 day is equal to 86,400,000 milliseconds
Convert to Microseconds
1 day is equal to 86,400,000,000 microseconds
Convert to Nanoseconds
1 day is equal to 86,400,000,000,000 nanoseconds