Convert Meters to light years
1 meter = 1.057001e-16 light years · ly = m ÷ 9,460,730,473,000,000
When you need this conversion
This conversion goes from meters, the SI base unit of length used for rooms, buildings, and sports distances, to light years, the astronomical distance light travels in a year. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.
Meters to light years conversion table
| Meters (m) | Light years (ly) |
|---|---|
| 1 m | 1.057001e-16 ly |
| 2 m | 2.114002e-16 ly |
| 3 m | 3.171003e-16 ly |
| 5 m | 5.285004e-16 ly |
| 10 m | 1.057001e-15 ly |
| 15 m | 1.585501e-15 ly |
| 20 m | 2.114002e-15 ly |
| 25 m | 2.642502e-15 ly |
| 50 m | 5.285004e-15 ly |
| 75 m | 7.927506e-15 ly |
| 100 m | 1.057001e-14 ly |
| 250 m | 2.642502e-14 ly |
| 500 m | 5.285004e-14 ly |
| 1,000 m | 1.057001e-13 ly |
The formula
ly = m ÷ 9,460,730,473,000,000Because both units measure length, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.
Convert the other way
Light years to meters →Related length conversions
- Meters to kilometers
- Millimeters to micrometers
- Centimeters to inches
- Centimeters to feet
- Kilometers to meters
- Inches to centimeters
- Feet to centimeters
- Feet to yards
- Yards to feet
- Micrometers to millimeters
- Millimeters to light years
- Centimeters to light years
Frequently asked questions
- How many light years are in a meter?
- There are 1.057001e-16 light years in 1 meter. The formula is ly = m ÷ 9,460,730,473,000,000.
- How do you convert meters to light years?
- Use the formula ly = m ÷ 9,460,730,473,000,000. For example, 10 meters equals 1.057001e-15 light years.
- Is the meters to light years conversion exact?
- Yes. Meters and light years are both units of length, related by an exact defined factor. Displayed results are rounded for readability.
- What is m short for?
- m is the standard symbol for meter (also written as metres). ly is the symbol for light year.