40근是多少g？
40근 = 24,000g
是24,000g，所以說成24,000g也沒問題——四捨五入的誤差在0.5%以內。
反過來，40g是多少근？
40g = 0근
計算公式: g = 근 × 600
該數值前後的 근 → g
22 근13,200g
24 근14,400g
26 근15,600g
28 근16,800g
30 근18,000g
32 근19,200g
34 근20,400g
36 근21,600g
38 근22,800g
40 근24,000g
42 근25,200g
44 근26,400g
46 근27,600g
48 근28,800g
50 근30,000g
52 근31,200g
54 근32,400g
56 근33,600g
58 근34,800g
60 근36,000g