Length converter
Astronomical Unit Converter
Convert astronomical units to kilometers for distances within planetary systems.
From
To
Result
1 AU = 149,597,870.7 km
Also equals
149,597,870,700m
490,806,662,401.57477ft
5.889680e+12in
1.495979e+13cm
149,597,870.7km
92,955,807.273026mi
1.495979e+14mm
163,602,220,800.52493yd
Conversion formula
km = AU × 149,597,870.71 astronomical unit equals 149,597,870 km.
Astronomical Unit to Kilometer table
| Astronomical Unit (AU) | Kilometer (km) |
|---|---|
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
| 0 | 0 |
About this conversion
This converter uses the displayed definition for astronomical unit and its recognized relationship to kilometer. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
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Frequently asked questions
How do I convert astronomical units to kilometers?+
Enter the astronomical units value in the converter. The result uses the defined factor 149597870.700 and is rounded only for display.
Does the converter keep full precision?+
Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.
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