1 Second = 3.1709791983765E-8 Year

## How to convert from Second to Year?

### Second to Year?

To convert Second to Year: Every 1 Second equals 3.1709791983765E-8 Year. For example, 100 Second equal 100 * 3.1709791983765E-8 = 3.1709791983765E-6 Year and so on..

Second to Minute | Second to Hour | Second to Week | Second to Month |

## Second

What is the second?

The second is an important unit of time. It is the main unit of time in the SI system of units. It can be defined as the time it takes an electromagnetic field to propagate through 3 x 10 5 km of vacuum.

One solar day has 86,400 seconds. There are 60 second per minute.

Second is not small and specific enough to be used by scientists and engineers so smaller units were derived such as:

• One millisecond which equals 10 -3 s.
• One microsecond which equals 10 -6 s.
• One nanosecond which equals 10 -9 s.
• One picosecond which equals 10 -12 s.

## Year

What is a year?

The year is an important unit of time. It is the time it takes the earth to complete one cycle around the sun. Approximately the earth needs 365.24 days to make its complete cycle.

You may have noticed that each 4 years we have an extra day in February...why?

Simply, calendars fix the year at 365 days. The 4 missing quarters of days are added together to make one day each 4 years.