Convert 1000 Kilometers to Astronomical Unit

Convert between km and Astronomical Unit with step-by-step calculation. 1 km = 6.685 × 10⁻⁹ Astronomical Unit.

km to Astronomical Unit

From km

To Astronomical Unit

Answer

1000 km = 6.685 × 10⁻⁶ au

Step 1 — Conversion factor

1 au ≈ 1.496 × 10⁸ km

To convert km to au, divide by 1.496 × 10⁸.

Step 2 — Calculate

1000 km × 1 au1.496 × 10⁸ km

≈ 1000 ÷ 1.496 × 10⁸

= 6.685 × 10⁻⁶ au

1000 km = 6.685 × 10⁻⁶ au

km to Astronomical Unit conversion table

km	Astronomical Unit
1	0
2	0
5	0
10	0
25	0
50	0
100	0
250	0
500	0
1000	0

How to Convert km to Astronomical Unit

To convert km to Astronomical Unit, use the conversion factor: 1 km = 6.685 × 10⁻⁹ Astronomical Unit. Enter any value above and click Convert to see the step-by-step calculation.

Formula

Multiply or divide the value by the conversion factor to get the result. The calculator shows every step of the arithmetic.

Frequently Asked Questions

How many Astronomical Unit are in 1 km?

1 km = 6.685 × 10⁻⁹ Astronomical Unit.

What category is this conversion?

This is a Length conversion.

Complete list of km conversions