To convert a year measurement to a millisecond measurement, multiply the time by the conversion ratio.

Since one year is equal to 31,556,952,000 milliseconds, you can use this simple formula to convert:

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### How Many Milliseconds are in a Year?

There are 31,556,952,000 milliseconds in a year, which is why we use this value in the formula above.

1 yr = 31,556,952,000 ms

Years and milliseconds are both units used to measure time. Keep reading to learn more about each unit of measure.

## Years

One year is the time it takes for the Earth to complete its orbit around the Sun. There are 365 days in a year, with the exception of the leap year when there are 366.

Years can be abbreviated as yr, and are also sometimes abbreviated as y. For example, 1 year can be written as 1 yr or 1 y.

## Milliseconds

The millisecond is a multiple of the second, which is the SI base unit for time. In the metric system, "milli" is the prefix for 10-3. Milliseconds can be abbreviated as ms; for example, 1 millisecond can be written as 1 ms.

## Year to Millisecond Conversion Table

Year measurements converted to milliseconds Years Milliseconds
0.0000000001 yr 3.1557 ms
0.0000000002 yr 6.3114 ms
0.0000000003 yr 9.4671 ms
0.0000000004 yr 12.62 ms
0.0000000005 yr 15.78 ms
0.0000000006 yr 18.93 ms
0.0000000007 yr 22.09 ms
0.0000000008 yr 25.25 ms
0.0000000009 yr 28.4 ms
0.00000000001 yr 0.31557 ms
0.0000000001 yr 3.1557 ms
0.000000001 yr 31.56 ms
0.00000001 yr 315.57 ms
0.0000001 yr 3,156 ms
0.000001 yr 31,557 ms
0.00001 yr 315,570 ms
0.0001 yr 3,155,695 ms
0.001 yr 31,556,952 ms
0.01 yr 315,569,520 ms
0.1 yr 3,155,695,200 ms
1 yr 31,556,952,000 ms

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