📏 Length
astronomical units to km Converter
Convert astronomical units to km instantly with a reference conversion table.
Quick answer: To convert astronomical units to km, multiply by 149597871. For example, 1 astronomical units = 149597871 km. Use the calculator below for any value.
astronomical units to km
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Common conversions
| astronomical units | km |
|---|
Formula:
How to convert astronomical units to km
1
Enter your value
Type the number of astronomical units you want to convert into the left box. The result in km appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — km to astronomical units. Your current value carries across so you don't have to re-enter anything.
3
About astronomical units and km
astronomical units and km are common length measurements.
📊 Common conversions at a glance
| astronomical units | km |
|---|---|
| 1e-07 | 14.96 |
| 0.001 | 1.496e+05 |
| 1 | 1.496e+08 |
| 1.5 | 2.244e+08 |
| 5 | 7.48e+08 |
| 30 | 4.488e+09 |
Reviewed for 2026. astronomical units ↔ km conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.