How many seconds in 1 century?
The answer is 3155760000.
We assume you are converting between second and century.
You can view more details on each measurement unit: seconds or
century
The SI base unit for time is the second.
1 second is equal to 3.1688087814029E-10 century.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between seconds and centuries.
Type in your own numbers in the form to convert the units!

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

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.

››Definition: Century

A century is a period of 100 years, which can have either 24 or 25 leap years, depends on whether the year xx00 is a leap year or not.

We assume there are 25 leap year days in a typical century. A non-leap year of 365 days would have 86,400 * 365 = 31,536,000 seconds in it. Adding another 25 days adds 2,160,000 seconds, so there are a total of 3,155,760,000 seconds in a century that has 25 leap years.

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