Conversion formula how to convert 72 hrs to days?

We understand (by definition) that:1⁢hr≈0.041666667⁢d

We can set up a ratio to resolve for the variety of days.

You are watching: What is 72 hours in days


Now, us cross main point to solve for our unknown x:




Conversion in the contrary direction

The inverse of the conversion aspect is that 1 work is same to 0.333333333333333 time 72 hours.

It can likewise be expressed as: 72 hours is same to 1 0.333333333333333 days.


An almost right numerical result would be: seventy-two hrs is about zero days, or alternatively, a day is around zero point three 3 times seventy-two hours.

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Units involved

This is just how the devices in this conversion room defined:


"Midnight (or noon) ~ above a 12-hour analog clock an hour is a unit the time conventionally reckoned together 1⁄24 that a day and also scientifically reckoned as 3,599–3,601 seconds, depending on conditions.The seasonal, temporal, or uneven hour was established in the old Near eastern as 1⁄12 the the night or daytime. Such hrs varied through season, latitude, and also weather. It was subsequently divided into 60 minutes, each of 60 seconds. That East oriental equivalent was the shi, which was 1⁄12 of the evident solar day; a comparable system was eventually arisen in Europe i beg your pardon measured its same or equinoctial hour together 1⁄24 of such days measured from noon to noon. The minor variations the this unit were at some point smoothed by making that 1⁄24 that the mean solar day, based on the measure of the suns transit along the celestial equator rather than follow me the ecliptic. This was ultimately abandoned due to the boy slowing brought about by the Earths tidal deceleration by the Moon.In the modern metric system, hrs are an embraced unit of time equal to 3,600 seconds however an hour of Coordinated global Time (UTC) might incorporate a hopeful or an unfavorable leap second, do it last 3,599 or 3,601 seconds, in order to save it in ~ 0.9 seconds of global time, which is based upon measurements the the typical solar day in ~ 0° longitude."

Wikipedia web page of hours


"A work is a unit the time. In usual usage, the is either an interval same to 24 hrs or daytime, the consecutive duration of time throughout which the sun is above the horizon. The period of time during which the planet completes one rotation through respect to the sunlight is dubbed a solar day. Several interpretations of this universal human ide are offered according to context, need and convenience. In 1960, the 2nd was redefined in terms of the orbital movement of the Earth, and also was designated the SI base unit that time. The unit of measurement day, redefined in 1960 as 86 400 SI seconds and symbolized d, is no an SI unit, yet is embraced for use v SI. A polite day is normally 86 400 seconds, to add or minus a possible leap second in Coordinated global Time (UTC), and also occasionally add to or minus an hour in those locations that readjust from or come daylight saving time."

Wikipedia page of days


<1> The precision is 15 far-ranging digits (fourteen number to the right of the decimal point).