500광년是多少km？
500광년 = 4,730,365,236,290,400km
是4,730,365,236,290,400km，所以說成4,730,365,236,290,400km也沒問題——四捨五入的誤差在0.5%以內。
反過來，500km是多少광년？
500km = 0광년
計算公式: km = 광년 × 9,460,730,472,580.8
該數值前後的 광년 → km
50 광년473,036,523,629,040km
100 광년946,073,047,258,080km
150 광년1,419,109,570,887,120km
200 광년1,892,146,094,516,160km
250 광년2,365,182,618,145,200km
300 광년2,838,219,141,774,240km
350 광년3,311,255,665,403,281km
400 광년3,784,292,189,032,321km
450 광년4,257,328,712,661,361km
500 광년4,730,365,236,290,400km
550 광년5,203,401,759,919,440km
600 광년5,676,438,283,548,480km
650 광년6,149,474,807,177,521km
700 광년6,622,511,330,806,561km
750 광년7,095,547,854,435,601km
800 광년7,568,584,378,064,641km
850 광년8,041,620,901,693,681km
900 광년8,514,657,425,322,721km
950 광년8,987,693,948,951,761km
1,000 광년9,460,730,472,580,800km