›› 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

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›› 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 day
seconds to millennium
seconds to millisecond
seconds to draconic month
seconds to minute
seconds to quarter
seconds to Gaussian year
seconds to synodic month
seconds to Gregorian month
seconds to draconic year