Second to Year Converter
Second to Year Formula
Conversion explanation: Divide the value in Second by 31536000 to get the equivalent value in Year.
Popular time unit conversions
What is Second to Year Converter
This second to year converter transforms time durations from seconds (s) to years (yr). It relies on the standard calendar definition where 1 common year equals 31,536,000 seconds. For related calculations, you can also check our second to millisecond conversion tool.
Definitions of Second and Year
What is Second?
The second is the base unit of time in the International System of Units. It is defined by the unperturbed ground-state hyperfine transition frequency of cesium-133. For related unit metrics, you can use our millisecond to second conversion tool.
What is Year?
A year is a unit of time defined by the orbital period of the Earth moving around the Sun. A standard calendar year consists of 365 days, with leap years containing 366 days. If you need to make other calculations, see our second to minute conversion tool.