Astronomical Unit Calculator

Convert astronomical units to km and miles.

Kilometers 149,597.87

Miles 57,760.2

Formula: 1 AU = 149,597,870.7 km

Step-by-step with your numbers:

1. Values used:

2. Astronomical units = 1 AU

4. Kilometers = 149,597.87

5. Miles = 57,760.2

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One AU is the average Earth–Sun distance.

The math behind it

1 AU = 149,597,870.7 km ≈ 92.96 million miles.

1 AU ≈ 149.6 million km.

Jupiter's distance?

About 5.2 AU from the Sun.