Astronomical Unit (AU)
Convert Astronomical Unit to Other Units
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About the Astronomical Unit
Unit Details
Quick Conversions
Reference Chart
Astronomical Unit 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
Astronomical Unit Comparison Table
Compare Astronomical Unit values with 6 other length units. Quick reference for common conversion values.
| Astronomical Unit (AU) | Aln (A) | Angstrom (Å) | Arpent (A) | Attometer (am) | Barleycorn (bar) | Caliber (cal) |
|---|---|---|---|---|---|---|
| 1 | 2.519E11 | 1.496E21 | 2.556E9 | 1.496E29 | 1.767E13 | 5.89E14 |
| 5 | 1.26E12 | 7.48E21 | 1.278E10 | 7.48E29 | 8.835E13 | 2.945E15 |
| 10 | 2.519E12 | 1.496E22 | 2.556E10 | 1.496E30 | 1.767E14 | 5.89E15 |
| 25 | 6.299E12 | 3.74E22 | 6.391E10 | 3.74E30 | 4.417E14 | 1.472E16 |
| 50 | 1.26E13 | 7.48E22 | 1.278E11 | 7.48E30 | 8.835E14 | 2.945E16 |
| 100 | 2.519E13 | 1.496E23 | 2.556E11 | 1.496E31 | 1.767E15 | 5.89E16 |
How to Use This Table
Find the value in Astronomical Unit 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 Astronomical Unit
The Astronomical Unit (AU) is a unit of length measurement. Use our converter above to convert Astronomical Unit to any other length unit instantly