How many hours 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: hours or
second
The SI base unit for time is the second.
1 hours 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 hours to second

1 hours to second = 3600 second

2 hours to second = 7200 second

3 hours to second = 10800 second

4 hours to second = 14400 second

5 hours to second = 18000 second

6 hours to second = 21600 second

7 hours to second = 25200 second

8 hours to second = 28800 second

9 hours to second = 32400 second

10 hours to second = 36000 second

››Want other units?

You can do the reverse unit conversion from
second to hours, 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).

››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!