Here's how to convert 149 million kilometers to astronomical units (AU):

* 1 AU (Astronomical Unit) is approximately equal to 149.6 million kilometers.

To convert 149 million kilometers to AU, you can use the following calculation:

149,000,000 km / 149,600,000 km/AU ≈ 0.996 AU

Therefore, 149 million kilometers is approximately 0.996 AU.