500斤是多少g？
500斤 = 250,000g
是250,000g，所以說成250,000g也沒問題——四捨五入的誤差在0.5%以內。
反過來，500g是多少斤？
500g = 1斤
計算公式: g = 斤 × 500
該數值前後的 斤 → g
50 斤25,000g
100 斤50,000g
150 斤75,000g
200 斤100,000g
250 斤125,000g
300 斤150,000g
350 斤175,000g
400 斤200,000g
450 斤225,000g
500 斤250,000g
550 斤275,000g
600 斤300,000g
650 斤325,000g
700 斤350,000g
750 斤375,000g
800 斤400,000g
850 斤425,000g
900 斤450,000g
950 斤475,000g
1,000 斤500,000g