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Gregorian year Julian year tropical year sidereal year anomalistic year draconic year lunar year Gaussian year |
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seconds |

How many Years in 1 seconds?
The answer is 3.1688087814029E-8.

We assume you are converting between **Julian year** and **second**.

You can view more details on each measurement unit:

Years or
seconds

The SI base unit for **time** is the second.

1 Years is equal to 31557600 second.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between years and seconds.

Type in your own numbers in the form to convert the units!

You may also want to find out how many days
are between two dates on the calendar. Use the
**date calculator**
to get your age in days or measure the duration of an event.

1 Years to seconds = 31557600 seconds

2 Years to seconds = 63115200 seconds

3 Years to seconds = 94672800 seconds

4 Years to seconds = 126230400 seconds

5 Years to seconds = 157788000 seconds

6 Years to seconds = 189345600 seconds

7 Years to seconds = 220903200 seconds

8 Years to seconds = 252460800 seconds

9 Years to seconds = 284018400 seconds

10 Years to seconds = 315576000 seconds

You can do the reverse unit conversion from seconds to Years, or enter any two units below:

Years to millisecond

Years to nanosecond

Years to minute

Years to hour

Years to millennium

Years to quarter

Years to shake

Years to fortnight

Years to day

Years to microsecond

A year is the time between two recurrences of an event related to the orbit of the Earth around the Sun. In astronomy, the Julian year is a unit of time, defined as 365.25 days of 86,400 SI seconds each (no leap seconds), or 31,557,600 seconds total.

We default to using the Gregorian year on this site, but you can select a specific type of year by entering the full name like "Julian year".

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.

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