Convert Light Year (ly) to Meter (m) instantly. Enter any value — result updates live.
Converting Light Year to Meter is a common length conversion. One light year (ly) equals 9.461000e+15 meter (m). Light years measure astronomical distances and represent how far light travels in one year.
This conversion is commonly needed for athletics and sports measurements, shipping and package dimensions, textile and fabric cutting. The meter is the base SI unit of length, used worldwide in science, engineering, and daily life.
To put light year in perspective: the distance to the nearest star Proxima Centauri (4.24 ly). In meter, common references include an Olympic diving board (10 m).
Light travels at approximately 299,792,458 meters per second, making a light year about 9.461 trillion kilometers.
The meter was originally defined in 1793 as one ten-millionth of the distance from the equator to the North Pole.
People frequently convert between light year and meter for:
| Light Year (ly) | Meter (m) |
|---|---|
| 1 ly | 9.461000e+15 m |
| 2 ly | 1.892200e+16 m |
| 5 ly | 4.730500e+16 m |
| 10 ly | 9.461000e+16 m |
| 15 ly | 1.419150e+17 m |
| 20 ly | 1.892200e+17 m |
| 25 ly | 2.365250e+17 m |
| 30 ly | 2.838300e+17 m |
| 50 ly | 4.730500e+17 m |
| 100 ly | 9.461000e+17 m |
| 200 ly | 1.892200e+18 m |
| 500 ly | 4.730500e+18 m |
| 1000 ly | 9.461000e+18 m |