How many km is 2 AU?
2 AU = 299,195,741 km
It is 299,195,741 km, so saying 299,195,741 km is fine — rounding is within 0.5%.
And how many AU is 2 km?
2 km = 0 AU
Formula: km = AU × 149,597,870.7
AU to km around this value
0.2 AU29,919,574km
0.4 AU59,839,148km
0.6 AU89,758,722km
0.8 AU119,678,297km
1 AU149,597,871km
1.2 AU179,517,445km
1.4 AU209,437,019km
1.6 AU239,356,593km
1.8 AU269,276,167km
2 AU299,195,741km
2.2 AU329,115,316km
2.4 AU359,034,890km
2.6 AU388,954,464km
2.8 AU418,874,038km
3 AU448,793,612km
3.2 AU478,713,186km
3.4 AU508,632,760km
3.6 AU538,552,335km
3.8 AU568,471,909km
4 AU598,391,483km