## how many seconds in a year?

There are 31536000 seconds in a year. A normal year has 365 days. In 1 day, there are 24 hours. In 1 hour there are 60 minutes. In 1 minute there are 60 seconds. The calculation is simple: in one year there are 60 x 60 x 24 x 365 = 31,536,000 seconds. In other words: 31 million 536 thousand seconds!

## Translation formulas

There are 31536000 seconds in one year and 1/31536000 of the year in one second.

### How to convert years to seconds

To convert years to seconds, multiply the number of years by 31536000.

NUMBER OF SECONDS = NUMBER OF YEARS * 31536000

For example, in order to find out how many seconds are in 2 years, you need 2*31536000 = 63072000 seconds.

### How to convert seconds to years

To convert seconds to years, divide the number of seconds by 31536000.

NUMBER OF YEARS = NUMBER OF SECONDS / 31536000

For example, in order to find out how many years are in 15768000 seconds, you need 15768000/31536000 = 0.5 years (half a year).

## Number of seconds in a leap year

To calculate the number of seconds in a leap year , simply add to 31,536,000 (i.e. the number of seconds in a year of 365 days) the number 86,400 (which corresponds to the number of seconds what is a day). Indeed, a leap year has 366 days (it has a February 29 and it occurs every four years). So there are 31,622,400 seconds in a leap year .