Convert light-years to meters
1 ly = 9460730472580000 m — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
9 460 730 472 580 000m
Exact decimal: 9460730472580800
1 ly = 9460730472580000 m
How to convert light-years to meters
Multiply the number of light-years by 9460730472580000 to get meters.
The exact factor is 9460730472580800 .
Light-year: Light travelling for one Julian year (365.25 days) in vacuum — exact, since both inputs are defined values.
Light-year to Meter conversion table
| Light-years (ly) | Meters (m) |
|---|---|
| 1 ly | 9 460 730 500 000 000 |
| 2 ly | 1.8921461e+16 |
| 3 ly | 2.8382191e+16 |
| 5 ly | 4.7303652e+16 |
| 10 ly | 9.4607305e+16 |
| 20 ly | 1.8921461e+17 |
| 25 ly | 2.3651826e+17 |
| 50 ly | 4.7303652e+17 |
| 100 ly | 9.4607305e+17 |
| 250 ly | 2.3651826e+18 |
| 500 ly | 4.7303652e+18 |
| 1000 ly | 9.4607305e+18 |
Meter to Light-year conversion table
| Meters (m) | Light-years (ly) |
|---|---|
| 1 m | 1.0570008e-16 |
| 2 m | 2.1140017e-16 |
| 3 m | 3.1710025e-16 |
| 5 m | 5.2850042e-16 |
| 10 m | 1.0570008e-15 |
| 20 m | 2.1140017e-15 |
| 25 m | 2.6425021e-15 |
| 50 m | 5.2850042e-15 |
| 100 m | 1.0570008e-14 |
| 250 m | 2.6425021e-14 |
| 500 m | 5.2850042e-14 |
| 1000 m | 1.0570008e-13 |
Frequently asked
How many meters are in a light-year?
One light-year equals 9460730473000000 meters (ly → m). That figure is exact, not rounded.
How do you convert light-years to meters?
Multiply the number of light-years by 9460730472580000 to get meters.
What is 1 m in light-years?
One meter is 1.057000834e-16 light-years.
What is 10 ly in m?
10 ly = 9.4607305e+16 m.
What exactly is a light-year?
Light travelling for one Julian year (365.25 days) in vacuum — exact, since both inputs are defined values.