5광년是多少km？

5광년 = 47,303,652,362,904km

是47,303,652,362,904km，所以说成47,303,652,362,904km也没问题——四舍五入的误差在0.5%以内。

反过来，5km是多少광년？

5km = 0광년

计算公式: km = 광년 × 9,460,730,472,580.8

0.5 광년4,730,365,236,290km

1 광년9,460,730,472,581km

1.5 광년14,191,095,708,871km

2 광년18,921,460,945,162km

2.5 광년23,651,826,181,452km

3 광년28,382,191,417,742km

3.5 광년33,112,556,654,033km

4 광년37,842,921,890,323km

4.5 광년42,573,287,126,614km

5 광년47,303,652,362,904km

5.5 광년52,034,017,599,194km

6 광년56,764,382,835,485km

6.5 광년61,494,748,071,775km

7 광년66,225,113,308,066km

7.5 광년70,955,478,544,356km

8 광년75,685,843,780,646km

8.5 광년80,416,209,016,937km

9 광년85,146,574,253,227km

9.5 광년89,876,939,489,518km

10 광년94,607,304,725,808km