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Kilometers to astronomical units

Convert kilometers to astronomical units, with the math shown step by step.

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Astronomical units
4 au

598,391,482.8 km = 4 au

Also equals

How it works

au = km ÷ 149,597,870.7

One astronomical unit is exactly 149,597,870.7 kilometers, so dividing by 149,597,870.7 turns kilometers into astronomical units. For example, 225,000,000 km is about 1.504 au.

  1. Divide by 149,597,870.7 598,391,482.8 ÷ 149,597,870.7 = 4 au

Nearby values

Kilometers Astronomical units Light-years Parsecs
568,391,482.8 km 3.8 au 0.0000601 0.0000184
578,391,482.8 km 3.87 au 0.0000611 0.0000187
588,391,482.8 km 3.93 au 0.0000622 0.0000191
598,391,482.8 km 4 au 0.0000633 0.0000194
608,391,482.8 km 4.07 au 0.0000643 0.0000197
618,391,482.8 km 4.13 au 0.0000654 0.00002
628,391,482.8 km 4.2 au 0.0000664 0.0000204

Printed from rocketcalc.io/astronomy/km-to-au/598391482.8