How many seconds are in an hour?

An hour is a common unit of measuring time and is exactly 3,600 seconds or 1/24 of the solar day.

One Hour


3600 Second

A second is a standard unit of time measurement that is widely recognized and used by the International System of Units. One second is equivalent to 1/3,600 of an hour. There are 60 minutes in one hour and 60 seconds in one minute. An hour is a common unit of measuring time and is exactly 3,600 seconds or 1/24 of the solar day.

There are different ways in which you can convert seconds into hours. Since one hour has 3,600 seconds, the simplest method is to divide the number of seconds by 3,600. Setting up conversion tables is helpful in understanding the reason for this conversion. First, you will convert the number of seconds into minutes and then the number of minutes is converted into hours. This can be expressed as;

1 minutes = 60 seconds, while 1 hour = 60 minutes.

Therefore, 1 hour = 60 x 60 = 3600 seconds

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How to calculate seconds to hours

1 second = 1 × 100 seconds

1 hour = 3.6 × 103 seconds

1 second = (1 / 3.6) × 100 × 10-3 hours

1 second = (0.27777777777778) × 100-3 hours

1 second = (0.27777777777778) × 10-3 hours

1 second = 0.27777777777778 × 0.001 hours

1 second = 0.00027777777777778 hours

A second is known to be one of the oldest units of time measurement that was used by the early Egyptian, Hellenistic, Persian and other civilizations. The name second was derived from a Latin expression which means ‘the second division of hours'. A second is also used as the primary reference unit for precise time measurement units such as milliseconds, microseconds, nanoseconds etc.

Using an hour as part of the solar day is a history believed to have originated from the epochs of Ancient Egypt. Scientists in Ancient Egypt came up with the idea of dividing a single solar day into 24 equal parts. As a unit of time measurement, an hour is used extensively in science. It is also applied for defining a variety of related measurement units such as kilowatt-hour, ampere-hour, kilometers per hour and much more.

The seconds to hour converter gives the corresponding values in hours when converting from seconds. If you have a duration that has a large value of seconds then you will find this conversion calculator to be fast and reliable. We first determine the number of seconds that make up an hour so that you can find how many seconds make up a day, week, month or a year.