Conversion formula exactly how to transform 72 hrs to days?

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

We can collection up a proportion to fix for the variety of days.

You are watching: 72 hours equals how many days


Now, us cross multiply to deal with for ours unknown x:




Conversion in the contrary direction

The station of the conversion element is that 1 day is same to 0.333333333333333 time 72 hours.

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


An approximate numerical result would be: seventy-two hrs is about zero days, or alternatively, a work is around zero allude three 3 times seventy-two hours.

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Units involved

This is how the devices in this conversion are defined:


"Midnight (or noon) ~ above a 12-hour analog clock one hour is a unit of time traditionally reckoned as 1⁄24 that a day and also scientifically reckoned as 3,599–3,601 seconds, relying on conditions.The seasonal, temporal, or unequal hour was established in the ancient Near east as 1⁄12 of the night or daytime. Such hours varied by season, latitude, and weather. It to be subsequently divided into 60 minutes, each of 60 seconds. The East eastern equivalent was the shi, which to be 1⁄12 the the apparent solar day; a similar system to be eventually emerged in Europe i beg your pardon measured its equal or equinoctial hour together 1⁄24 of such days measured from noon come noon. The boy variations that this unit were eventually smoothed by making the 1⁄24 the the median solar day, based on the measure of the suns transit along the celestial equator fairly than follow me the ecliptic. This was lastly abandoned as result of the minor slowing brought about by the Earths tidal deceleration through the Moon.In the modern metric system, hrs are an embraced unit that time same to 3,600 seconds but an hour that Coordinated universal Time (UTC) might incorporate a confident or negative leap second, make it last 3,599 or 3,601 seconds, in stimulate to keep it within 0.9 secs of universal time, i m sorry is based on measurements the the median solar day at 0° longitude."

Wikipedia web page of hours


"A work is a unit the time. In common usage, the is either an interval equal to 24 hours or daytime, the consecutive period of time throughout which the sun is above the horizon. The duration of time during which the planet completes one rotation v respect to the sunlight is called a solar day. Several meanings of this universal human ide are used according come context, need and also convenience. In 1960, the second was redefined in regards to the orbital activity of the Earth, and was designated the SI base unit of time. The unit of measure day, redefined in 1960 together 86 400 SI seconds and also symbolized d, is not an SI unit, but is welcomed for use with SI. A polite day is generally 86 400 seconds, plus or minus a feasible leap second in Coordinated universal Time (UTC), and also occasionally to add or minus one hour in those places that readjust from or to daylight saving time."

Wikipedia web page of days


<1> The precision is 15 significant digits (fourteen digits to the ideal of the decimal point).