## ››Convert hour to second

 hour seconds

How many hour in 1 seconds? The answer is 0.00027777777777778.
We assume you are converting between hour and second.
You can view more details on each measurement unit:
hour or seconds
The SI base unit for time is the second.
1 hour is equal to 3600 second.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between hours and seconds.
Type in your own numbers in the form to convert the units!

## ››Date difference between calendar days

You may also want to find out how many days are between two dates on the calendar. Use the date calculator to get your age in days or measure the duration of an event.

## ››Quick conversion chart of hour to seconds

1 hour to seconds = 3600 seconds

2 hour to seconds = 7200 seconds

3 hour to seconds = 10800 seconds

4 hour to seconds = 14400 seconds

5 hour to seconds = 18000 seconds

6 hour to seconds = 21600 seconds

7 hour to seconds = 25200 seconds

8 hour to seconds = 28800 seconds

9 hour to seconds = 32400 seconds

10 hour to seconds = 36000 seconds

## ››Want other units?

You can do the reverse unit conversion from seconds to hour, or enter any two units below:

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## ››Definition: Hour

The hour was originally defined in Egypt as 1/24 of a day, based on their duo-decimal numbering system (which counted finger joints on each hand).

## ››Definition: Second

The second (symbol s) is a unit for time, and one of seven SI base units. It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom at zero kelvins.

## ››Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!