## Conversion formula

The conversion factor from days to hours is 24, which means that 1 day is equal to 24 hours:

1 d = 24 hr

To convert 72 days into hours we have to multiply 72 by the conversion factor in order to get the time amount from days to hours. We can also form a simple proportion to calculate the result:

1 d → 24 hr

72 d → T(hr)

Solve the above proportion to obtain the time T in hours:

T(hr) = 72 d × 24 hr

T(hr) = 1728 hr

The final result is:

72 d → 1728 hr

We conclude that 72 days is equivalent to 1728 hours:

72 days = 1728 hours ## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 hour is equal to 0.0005787037037037 × 72 days.

Another way is saying that 72 days is equal to 1 ÷ 0.0005787037037037 hours.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that seventy-two days is approximately one thousand seven hundred twenty-eight hours:

72 d ≅ 1728 hr

An alternative is also that one hour is approximately zero point zero zero one times seventy-two days.

## Conversion table

### days to hours chart

For quick reference purposes, below is the conversion table you can use to convert from days to hours

days (d) hours (hr)
73 days 1752 hours
74 days 1776 hours
75 days 1800 hours
76 days 1824 hours
77 days 1848 hours
78 days 1872 hours
79 days 1896 hours
80 days 1920 hours
81 days 1944 hours
82 days 1968 hours