Light Year (ly)
Convert Light Year to Other Units
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About the Light Year
Unit Details
Quick Conversions
Reference Chart
Light Year Reference Chart - Length Conversions
Interactive conversion chart showing length unit relationships. Compare 8 common units with precise calculations.
| Unit | Symbol | Equivalent to 1 A |
|---|---|---|
| AlnBase Unit | A | 1 |
| Angstrom | Å | 1.684E-10 |
| Arpent | A | 98.55808 |
| Astronomical Unit | AU | 2.519E11 |
| Attometer | am | 1.684E-18 |
| Barleycorn | bar | 0.014259 |
| Caliber | cal | 4.278E-4 |
| Centimeter | cm | 0.016841 |
Quick Reference
About Length
Convert between different units of length or distance
Conversion Accuracy
All conversions use official conversion factors and are calculated with maximum precision to ensure professional-grade accuracy.
Comparison Table
Light Year Comparison Table
Compare Light Year values with 6 other length units. Quick reference for common conversion values.
| Light Year (ly) | Aln (A) | Angstrom (Å) | Arpent (A) | Astronomical Unit (AU) | Attometer (am) | Barleycorn (bar) |
|---|---|---|---|---|---|---|
| 1 | 1.593E16 | 9.461E25 | 1.617E14 | 63,238.843546 | 9.461E33 | 1.117E18 |
| 5 | 7.966E16 | 4.73E26 | 8.083E14 | 316,194.217731 | 4.73E34 | 5.587E18 |
| 10 | 1.593E17 | 9.461E26 | 1.617E15 | 632,388.435463 | 9.461E34 | 1.117E19 |
| 25 | 3.983E17 | 2.365E27 | 4.041E15 | 1.581E6 | 2.365E35 | 2.793E19 |
| 50 | 7.966E17 | 4.73E27 | 8.083E15 | 3.162E6 | 4.73E35 | 5.587E19 |
| 100 | 1.593E18 | 9.461E27 | 1.617E16 | 6.324E6 | 9.461E35 | 1.117E20 |
How to Use This Table
Find the value in Light Year in the first column, then read across to see the equivalent values in other length units.
Precision Note
All conversions are calculated using precise conversion factors with locale-appropriate number formatting for optimal readability.
About the Light Year
The Light Year (ly) is a unit of length measurement. Use our converter above to convert Light Year to any other length unit instantly