›› Measurement unit: seconds

Full name: second

Plural form: seconds

Symbol: s

Alternate spelling: sec

Category type: time

Scale factor: 1

›› SI unit: second

The SI base unit for time is the second.
1 second is equal to 1 seconds.

›› Convert seconds to another unit

Convert seconds to  

Valid units must be of the time type.
You can use this form to select from known units:

Convert seconds to  

›› 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.

›› Sample conversions: seconds

seconds to Gaussian year
seconds to sidereal month
seconds to sidereal year
seconds to tropical year
seconds to millisecond
seconds to tropical month
seconds to microsecond
seconds to Gregorian month
seconds to day
seconds to decade