How many hour in 1 second?
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 second
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!
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.
1 hour to second = 3600 second
2 hour to second = 7200 second
3 hour to second = 10800 second
4 hour to second = 14400 second
5 hour to second = 18000 second
6 hour to second = 21600 second
7 hour to second = 25200 second
8 hour to second = 28800 second
9 hour to second = 32400 second
10 hour to second = 36000 second
You can do the reverse unit conversion from second to hour, or enter any two units below:
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).
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.