Convert Kilometer (km) to Astronomical Unit (AU)
To convert Kilometer to Astronomical Unit, multiply the value by 0. For example, 1 Kilometer = 0 AU and 10 Kilometer = 0 AU. Both Kilometer and Astronomical Unit are units of Length. Enter any value above for an instant, accurate result.
One Kilometer equals 0 AU.
Use the formula: AU = km × 0.