Common Time to Hours, Minutes, and Seconds Decimal Values

How to Convert Time to Decimal

1. 2 hours is 2 hours * (1 hour/ 1 hour) = 2 hours.
2. 45 minutes is 45 minutes * (1 hour / 60 minutes) = 45/60 hours = 0.75 hours.
3. 45 seconds is 45 seconds * (1 hour / 3600 seconds) = 45/3600 hours = 0.0125 hours.
4. Adding them all together we have 2 hours + 0.75 hours + 0.0125 hours = 2.7625 hours.

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1. 8.00 hours – this is exactly 8 hours OR 8:00 in the hh:mm format – note colon, not a decimal point.
2. 8.25 hours – this is 8 and 1/4 hours, or 8 hours and 15 minutes OR 8:15 (hh:mm again), again note the colon.
3. 8.50 hours – here we have 8 and ½ hours or 8 hours and 30 minutes.

In France, from 1793 to 1805 the French Republican Calendar was used, Each day in that calendar was divided into ten hours, each hour into 100 decimal minutes, and each decimal minute into 100 decimal seconds.

A day is the approximate time it takes for the Earth to complete one rotation. It is defined as exactly 86,400 seconds. A minute is a unit of time equal to 60 seconds….Convert 2 Days to Minutes.

Minutes to Seconds Conversion Table

In 10 h there are 600 min . Which is the same to say that 10 hours is 600 minutes.

Convert 10 Hours to Seconds

¿How many s are there in 10 h ? In 10 h there are 36000 s .

THE DIVISION of the hour into 60 minutes and of the minute into 60 seconds comes from the Babylonians who used a sexagesimal (counting in 60s) system for mathematics and astronomy. They derived their number system from the Sumerians who were using it as early as 3500 BC.

Hours to Minutes Conversion Table

The Babylonians made astronomical calculations in the sexagesimal (base 60) system they inherited from the Sumerians, who developed it around 2000 B.C. Although it is unknown why 60 was chosen, it is notably convenient for expressing fractions, since 60 is the smallest number divisible by the first six counting numbers …