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Light Year to Megameter Converter

Convert light years (ly) to megameters (Mm). 1 ly = 9,460,730,473 Mm.

1 ly = 9,460,730,473 Mm

Megameter to Light Year converter

How to convert light years to megameters

1 light year is equal to 9,460,730,473 megameters, and 1 megameter is equal to 1.057000834 × 10⁻¹⁰ light years. To convert, multiply by the conversion factor:

megameters = light years × 9,460,730,473
megameters = light years ÷ 1.057000834 × 10⁻¹⁰

Example: convert 1 ly to Mm: 1 × 9,460,730,473 = 9,460,730,473 Mm.

Light Year to Megameter conversion table

Light Year (ly)Megameter (Mm)
0.01 ly94,607,304.73 Mm
0.1 ly946,073,047.3 Mm
1 ly9,460,730,473 Mm
2 ly18,921,460,950 Mm
3 ly28,382,191,420 Mm
5 ly47,303,652,360 Mm
10 ly94,607,304,730 Mm
20 ly189,214,609,500 Mm
50 ly473,036,523,600 Mm
100 ly946,073,047,300 Mm
250 ly2,365,182,618,000 Mm
500 ly4,730,365,236,000 Mm
1,000 ly9,460,730,473,000 Mm

About the light year

A light-year is the distance light travels in a vacuum in one Julian year (365.25 days): about 9.46 trillion km. The nearest star system, Alpha Centauri, is about 4.37 light-years away.

Symbol: ly · 1 ly = 9.460730473 × 10¹⁵ m · Category: Astronomical

About the megameter

A megameter is one million meters (1,000 km). Earth's radius is about 6.4 Mm.

Symbol: Mm · 1 Mm = 1,000,000 m · Category: Metric (SI)

Frequently asked questions

How many megameters are in a light year?

There are 9,460,730,473 megameters in 1 light year (ly).

How many light years are in a megameter?

1 megameter (Mm) equals 1.057000834 × 10⁻¹⁰ light years.

How do I convert light years to megameters?

Multiply the length in light years by 9,460,730,473. For example, 1 ly × 9,460,730,473 = 9,460,730,473 Mm.

How do I convert megameters to light years?

Divide the length in megameters by 9,460,730,473, or multiply it by 1.057000834 × 10⁻¹⁰. You can also use the Megameter to Light Year converter.