Light Years to Astronomical Units

Convert light years (ly) to astronomical units (AU) with formulas, examples, and conversion tables.

ly
AU
1 ly = 63241.98 AU
Full precision:63241.98 AU
Step-by-Step Solution

To convert 1 light years to astronomical units, we multiply by 63241.98 because one light year equals exactly 63241.98 astronomical units.

1 light year = 63241.98 astronomical units

Since each light year contains 63241.98 astronomical units, we multiply our value by this factor:

1 × 63241.98 = 63241.98 astronomical units

So 1 light years = 63241.98 astronomical units.

Quick check: 63241.98 ÷ 63241.98 = 1 light years

How to Convert Light Years to Astronomical Units

To convert light years to astronomical units, multiply the value by 63241.98.

The Formula

Astronomical Units = Light Years × 63241.98

Key Fact

1 light year = 63241.98 astronomical units

Tip: To convert astronomical units back to light years, divide by 63241.98.

Example Conversions

Example 1: 1 ly = 63241.98 AU
1 × 63241.98 = 63241.98
Example 2: 5 ly = 316209.89 AU
5 × 63241.98 = 316209.89
Example 3: 10 ly = 632419.79 AU
10 × 63241.98 = 632419.79

Light Years to Astronomical Units Table

Light Years (ly)Astronomical Units (AU)
1 ly63241.98 AU
2 ly126483.96 AU
5 ly316209.89 AU
10 ly632419.79 AU
20 ly1264839.57 AU
25 ly1581049.47 AU
50 ly3162098.93 AU
100 ly6324197.86 AU
250 ly15810494.65 AU
500 ly31620989.3 AU
1000 ly63241978.61 AU

1 Light Year in Other Units

Unit1 ly =
Light Years to Kilometers9.461e+12 km
Light Years to Meters9.461e+15 m
Light Years to Centimeters9.461e+17 cm
Light Years to Millimeters9.461e+18 mm
Light Years to Micrometers9.461e+21 μm
Light Years to Nanometers9.461e+24 nm
Light Years to Miles5.8788e+12 mi
Light Years to Yards1.0347e+16 yd
Light Years to Feet3.104e+16 ft
Light Years to Inches3.7248e+17 in
Light Years to Nautical Miles5.1085e+12 nmi
Light Years to Fathoms5.1733e+15 ftm
Light Years to Astronomical Units63241.98 AU
Light Years to Parsecs0.30658 pc
Light Years to Angstroms9.461e+25 Å
Light Years to Planck Lengths5.8537e+50 ℓP
Light Years to Rods1.8812e+15 rd

About Light Years and Astronomical Units

What is a Light Year?

The light year (ly) is a unit of length in the astronomical system. One light year equals 9461000000000000 meters.

What is a Astronomical Unit?

The astronomical unit (AU) is a unit of length in the astronomical system. One astronomical unit equals 149600000000 meters.

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