How many km is 5 AU?
5 AU = 747,989,354 km
It is 747,989,354 km, so saying 747,989,354 km is fine — rounding is within 0.5%.
And how many AU is 5 km?
5 km = 0 AU
Formula: km = AU × 149,597,870.7
AU to km around this value
0.5 AU74,798,935km
1 AU149,597,871km
1.5 AU224,396,806km
2 AU299,195,741km
2.5 AU373,994,677km
3 AU448,793,612km
3.5 AU523,592,547km
4 AU598,391,483km
4.5 AU673,190,418km
5 AU747,989,354km
5.5 AU822,788,289km
6 AU897,587,224km
6.5 AU972,386,160km
7 AU1,047,185,095km
7.5 AU1,121,984,030km
8 AU1,196,782,966km
8.5 AU1,271,581,901km
9 AU1,346,380,836km
9.5 AU1,421,179,772km
10 AU1,495,978,707km