## Conversion formula exactly how to transform 85 minute to hours?

We know (by definition) that:1⁢min≈0.016666667⁢hr

We can set up a proportion to solve for the variety of hours.

You are watching: How many hours is 85 minutes

1⁢min85⁢min≈0.016666667⁢hrx⁢hr

Now, we cross main point to resolve for ours unknown x:

x⁢hr≈85⁢min1⁢min*0.016666667⁢hr→x⁢hr≈1.416666695⁢hr

Conclusion:85⁢min≈1.416666695⁢hr

## Approximation

An almost right numerical result would be: eighty-five minutes is about one suggest four one hours, or alternatively, a hour is around zero allude seven one time eighty-five minutes.

## Units involved

This is how the systems in this conversion are defined:

### Minutes

"The minute is a unit of time or that angle. As a unit that time, the minute is equal to 1⁄60 (the an initial sexagesimal fraction) of an hour, or 60 seconds. In the UTC time standard, a minute on rare occasions has 61 seconds, a an effect of leap seconds (there is a provision to insert a negative leap second, which would result in a 59-second minute, but this has never occurred in more than 40 years under this system). Together a unit of angle, the minute of arc is equal to 1⁄60 of a degree, or 60 secs (of arc). Although not an SI unit because that either time or angle, the minute is accepted for use with SI systems for both. The SI symbols for minute or minutes are min for time measurement."

Wikipedia web page of minutes

### Hours

"Midnight (or noon) on a 12-hour analog clock an hour is a unit of time traditionally reckoned as 1⁄24 that a day and also scientifically reckoned as 3,599–3,601 seconds, depending on conditions.The seasonal, temporal, or unequal hour was created in the old Near eastern as 1⁄12 the the night or daytime. Such hours varied by season, latitude, and also weather. It to be subsequently divided into 60 minutes, every of 60 seconds. The East eastern equivalent to be the shi, which to be 1⁄12 that the evident solar day; a similar system was eventually developed in Europe i m sorry measured its equal or equinoctial hour as 1⁄24 of such days measured indigenous noon come noon.

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The boy variations that this unit were at some point smoothed through making the 1⁄24 of the median solar day, based upon the measure of the suns transit follow me the celestial equator rather than along the ecliptic. This was finally abandoned as result of the young slowing caused by the Earths tidal deceleration through the Moon.In the contemporary metric system, hrs are an accepted unit the time same to 3,600 seconds yet an hour the Coordinated universal Time (UTC) might incorporate a optimistic or an adverse leap second, do it last 3,599 or 3,601 seconds, in stimulate to store it within 0.9 secs of global time, i beg your pardon is based on measurements that the typical solar day in ~ 0° longitude."