## How many minutes does it take to make an hour?

60 minutesThere are 60 minutes in 1 hour.

To convert from minutes to hours, divide the number of minutes by 60.

For example, 120 minutes equals 2 hours because 120/60=2..

## Who many seconds are in a year?

one year would equal 365 times 24 times 60 times 60 seconds…or 31,536,000 seconds!

## Why are there 60 minutes in 1 hour?

Who decided on these time divisions? 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.

## How many seconds are there in 1 her?

Summary. There are 60 seconds in 1 minute. In other words, a second is 160 of a minute. The second is called the base unit of time.

## What is 1/2 in an hour?

For partial-hour quantities other than 30 minutes, I would avoid other decimal fractions unless times are being measured in six-minute or 36-second intervals, but . 5 is so idiomatic as “one half” that I would consider “1.5 hours” to be more readable than “1 hour and 30 minutes” or “1 1/2 hours”, or even “1½ hours”.

## How many seconds does 1 hour have?

3600 secondsThere are 3600 seconds in an hour.

## How many is a hour?

Hours to Minutes Conversion TableHoursMinutes1 Hour60 Minutes2 Hours120 Minutes3 Hours180 Minutes4 Hours240 Minutes20 more rows

## What is .50 of an hour?

Converting Hours For example, 50 percent of an hour equals 30 minutes, because 0.50 * 60 equals 30.

## How long is a billion seconds?

31.69 yearsSpecifically, one billion seconds is 31.69 years or a little more than 11,574 days. And my one billion seconds milestone occurs this coming Sunday, August 18th. A billion seconds sounds like a long time: After all, a billion is a pretty big number.