UNITSPEAKv1.0

ly to AU

92 units
Result6.324108e+4
63241.07709AU
1 ly × 63241.07709 = 63241.07709 AU

Convert Light year to Astronomical unit (ly to AU)

1 light year = 63241.07709 astronomical units. Convert light years to astronomical units instantly, with the exact factor, the formula and a reference table of common values.

Formula
astronomical units = light years × 63241.07709

ly to AU conversion table

lyAU
1 ly63241.07709 AU
2 ly126482.1542 AU
3 ly189723.2313 AU
5 ly316205.3854 AU
10 ly632410.7709 AU
20 ly1264821.542 AU
50 ly3162053.854 AU
100 ly6324107.709 AU
250 ly15810269.27 AU
500 ly31620538.54 AU
1000 ly63241077.09 AU

What is a light year?

A light year is a distance, not a time: it is how far light travels in one year, about 9.46 trillion kilometers. Light covers roughly 300,000 kilometers every second, and a year gives it a very long run.

Astronomers use light years because space is so empty. The nearest star beyond the Sun, Proxima Centauri, is about 4.2 light years away, and our galaxy is roughly 100,000 light years across. Seeing a star ten light years away means seeing light that left it ten years ago.

In writing, the light year is usually shortened to "ly". One light year is 9.460730e+15 meters, and that ratio is what every figure on this page is built from.

Related conversions

AU to ly
All length units →

Convert Light year to all length units

Conversion1 ly equals
Light year to a.u. of length1.787819e+26 a.u.
Light year to aln1.593312e+16 aln
Light year to angstrom9.460730e+25 A
Light year to arpent1.616622e+14 arpent
Light year to astronomical unit63241.07709 AU
Light year to attometer9.460730e+33 am
Light year to barleycorn1.117409e+18 barleycorn
Light year to Bohr radius1.787819e+26 b
Light year to caliber3.724697e+19 cl
Light year to centiinch3.724697e+19 cin
Light year to centimeter9.460730e+17 cm
Light year to chain4.702900e+14 ch
Light year to chain (US survey)4.702891e+14 ch
Light year to cubit (Greek)2.044290e+16 cubit (Greek)
Light year to cubit (UK)2.069276e+16 cubit (UK)
Light year to decimeter9.460730e+16 dm
Light year to dekameter9.460730e+14 dam
Light year to Earth's distance from sun63240.17696 Earth's distance from sun
Light year to Earth's equatorial radius1483300901 Earth's equatorial radius
Light year to Earth's polar radius1488290445 Earth's polar radius
Light year to Electron radius (classical)3.357320e+30 Electron radius (classical)
Light year to ell8.277105e+15 ell
Light year to exameter0.009460730473 Em
Light year to famn5.311039e+15 famn
Light year to fathom5.173190e+15 fath
Light year to fathom (US survey)5.173180e+15 fath
Light year to femtometer9.460730e+30 fm
Light year to fermi9.460730e+30 F
Light year to finger (cloth)8.277105e+16 finger (cloth)
Light year to fingerbreadth4.966263e+17 fingerbreadth
Light year to foot3.103914e+16 ft
Light year to foot (US survey)3.103908e+16 ft
Light year to furlong4.702900e+13 fur
Light year to furlong (US survey)4.702891e+13 fur
Light year to gigameter9460730.473 Gm
Light year to hand9.311743e+16 hand
Light year to handbreadth1.241566e+17 handbreadth
Light year to hectometer9.460730e+13 hm
Light year to inch3.724697e+17 in
Light year to inch (US survey)3.724690e+17 in
Light year to ken4.466064e+15 ken
Light year to kilometer9.460730e+12 km
Light year to kiloparsec0.0003066013938 kpc
Light year to kiloyard1.034638e+13 kyd
Light year to league1.959542e+12 lea
Light year to league (statute)1.959538e+12 st.league
Light year to link4.702900e+16 li
Light year to link (US survey)4.702891e+16 li
Light year to long cubit1.773665e+16 long cubit
Light year to long reed2.956109e+15 long reed
Light year to megameter9460730473 Mm
Light year to megaparsec3.066014e-7 Mpc
Light year to meter9.460730e+15 m
Light year to microinch3.724697e+23 microinch
Light year to micrometer9.460730e+21 µm
Light year to micron9.460730e+21 µ
Light year to mil3.724697e+20 mil
Light year to mile5.878625e+12 mi
Light year to mile (Roman)6.393232e+12 mile (Roman)
Light year to mile (statute)5.878614e+12 mi
Light year to mile (US survey)5.878614e+12 mi
Light year to millimeter9.460730e+18 mm
Light year to nail (cloth)1.655421e+17 nail (cloth)
Light year to nanometer9.460730e+24 nm
Light year to nautical league (int.)1.702795e+12 nautical league (int.)
Light year to nautical league (UK)1.701707e+12 nautical league (UK)
Light year to nautical mile (international)5.108386e+12 nautical mile (international)
Light year to nautical mile (UK)5.105122e+12 NM (UK)
Light year to parsec0.3066013938 pc
Light year to perch1.881160e+15 perch
Light year to petameter9.460730473 Pm
Light year to pica2.234818e+18 pica
Light year to picometer9.460730e+27 pm
Light year to Planck length5.854231e+50 Planck length
Light year to point2.681782e+19 point
Light year to pole1.881160e+15 pole
Light year to reed3.448794e+15 reed
Light year to rod1.881160e+15 rd
Light year to rod (US survey)1.881156e+15 rd
Light year to Roman actus2.666593e+14 Roman actus
Light year to rope1.551957e+15 rope
Light year to Russian archin1.330249e+16 Russian archin
Light year to span (cloth)4.138552e+16 span (cloth)
Light year to Sun's radius13593003.55 Sun's radius
Light year to terameter9460.730473 Tm
Light year to twip5.363560e+20 twip
Light year to vara castellana1.132815e+16 vara castellana
Light year to vara conuquera3.776051e+15 vara conuquera
Light year to vara de tarea3.776051e+15 vara de tarea
Light year to X-unit9.441093e+28 X
Light year to yard1.034638e+16 yd