At One Place

Light-years to meters

1 light-year in meters
1 ly = 9.4607305 × 10^15 m
m = ly × 9.460730473 × 10^15

To convert light-years to meters, multiply by 9.460730473 × 10^15. The table below gives the values people look up most often, and the converter works for any number.

Light-years to meters table

Common light-year values converted to meters.
Light-years Meters
1 ly 9.4607305 × 10^15
2 ly 1.8921461 × 10^16
3 ly 2.8382191 × 10^16
4 ly 3.7842922 × 10^16
5 ly 4.7303652 × 10^16
10 ly 9.4607305 × 10^16
15 ly 1.4191096 × 10^17
20 ly 1.8921461 × 10^17
25 ly 2.3651826 × 10^17
30 ly 2.8382191 × 10^17
40 ly 3.7842922 × 10^17
50 ly 4.7303652 × 10^17
75 ly 7.0955479 × 10^17
100 ly 9.4607305 × 10^17
250 ly 2.3651826 × 10^18
500 ly 4.7303652 × 10^18
1,000 ly 9.4607305 × 10^18

How the conversion works

The relationship is m = ly × 9.460730473 × 10^15. Both units measure length, so the conversion is a fixed factor that never changes.

Common questions

How many meters are in one light-year?
One light-year equals 9.4607305 × 10^15 meters. m = ly × 9.460730473 × 10^15.
How do you convert light-years to meters?
Use m = ly × 9.460730473 × 10^15. So 10 ly is 9.4607305 × 10^16 m.
How many light-years are in one meter?
One meter equals 1.057 × 10^-16 light-years, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked