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To convert Kilometer to Astronomical Unit: multiply by 6.68459e-9. 1 km ร 0 = 6.684587e-9 AU
| Kilometer (km) | Astronomical Unit (AU) |
|---|---|
| 0.1 km | 6.684587e-10 AU |
| 0.25 km | 1.671147e-9 AU |
| 0.5 km | 3.342294e-9 AU |
| 1 km | 6.684587e-9 AU |
| 2 km | 1.336917e-8 AU |
| 5 km | 3.342294e-8 AU |
| 10 km | 6.684587e-8 AU |
| 20 km | 1.336917e-7 AU |
| 25 km | 1.671147e-7 AU |
| 50 km | 3.342294e-7 AU |
| 100 km | 6.684587e-7 AU |
| 250 km | 0.00000167115 AU |
| 500 km | 0.00000334229 AU |
| 1,000 km | 0.00000668459 AU |
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To convert Kilometer to Astronomical Unit, use our free online converter above. Simply enter the value in Kilometer and instantly get the result in Astronomical Unit.
1 Kilometer equals 6.68459e-9 Astronomical Unit. You can use the converter above to calculate any value.
Use our converter for the exact formula. The result is displayed with the full conversion formula for reference.
Yes! Our converter is completely free to use. No sign-up, no download required. Just enter your value and get an instant result.
The Kilometer (km) and Astronomical Unit (AU) are both units of length. Our converter uses the precise conversion factor to give you accurate results instantly.
1 Kilometer = 6.68459e-9 Astronomical Unit
This length converter supports bidirectional conversion โ use the swap button to convert Astronomical Unit back to Kilometer. You can also adjust the decimal precision using the controls below the result.