Conversion formula just how to transform 145 minutes to hours?

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

We can set up a relationship to fix for the variety of hours.

You are watching: How many hours is 145 minutes

1⁢min145⁢min≈0.016666667⁢hrx⁢hr

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

x⁢hr≈145⁢min1⁢min*0.016666667⁢hr→x⁢hr≈2.416666715⁢hr

Conclusion:145⁢min≈2.416666715⁢hr


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Conversion in the contrary direction

The station of the conversion aspect is that 1 hour is same to 0.413793103448276 times 145 minutes.

It can likewise be to express as: 145 minutes is same to 1 0.413793103448276 hours.

Approximation

An approximate numerical an outcome would be: one hundred and also forty-five minute is about two allude four one hours, or alternatively, a hour is about zero allude four one time one hundred and also forty-five minutes.

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Units involved

This is exactly how the systems in this conversion are defined:

Minutes

"The minute is a unit of time or of angle. Together a unit the time, the minute is equal to 1⁄60 (the very first sexagesimal fraction) of one hour, or 60 seconds. In the UTC time standard, a minute on rarely occasions has 61 seconds, a consequence of leap seconds (there is a provision to insert a an unfavorable leap second, i beg your pardon would result in a 59-second minute, but this has never happened in much more than 40 years under this system). As a unit that angle, the minute of arc is same 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 welcomed for use v SI devices for both. The SI icons for minute or minutes are min because that time measurement."

Wikipedia page of minutes

Hours

"Midnight (or noon) ~ above a 12-hour analog clock an hour is a unit of time traditionally reckoned as 1⁄24 of a day and also scientifically reckoned together 3,599–3,601 seconds, relying on conditions.The seasonal, temporal, or unlike hour was created in the ancient Near east as 1⁄12 of the night or daytime. Such hrs varied by season, latitude, and also weather. It was subsequently split into 60 minutes, each of 60 seconds. That East oriental equivalent was the shi, which was 1⁄12 the the apparent solar day; a similar system was eventually arisen in Europe which measured its same or equinoctial hour as 1⁄24 of together days measured from noon to noon. The minor variations the this unit were eventually smoothed by making the 1⁄24 of the median solar day, based upon the measure up of the suns transit along the celestial equator fairly than follow me the ecliptic. This was ultimately abandoned as result of the minor slowing caused by the Earths tidal deceleration through the Moon.In the modern-day metric system, hours are an accepted unit the time equal to 3,600 seconds yet an hour the Coordinated universal Time (UTC) may incorporate a hopeful or negative leap second, do it critical 3,599 or 3,601 seconds, in stimulate to keep it in ~ 0.9 secs of global time, i m sorry is based on measurements of the average solar day in ~ 0° longitude."

Wikipedia page of hours

Footnotes

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