5근是多少g？
5근 = 3,000g
是3,000g，所以说成3,000g也没问题——四舍五入的误差在0.5%以内。
反过来，5g是多少근？
5g = 0근
计算公式: g = 근 × 600
该数值前后的 근 → g
0.5 근300g
1 근600g
1.5 근900g
2 근1,200g
2.5 근1,500g
3 근1,800g
3.5 근2,100g
4 근2,400g
4.5 근2,700g
5 근3,000g
5.5 근3,300g
6 근3,600g
6.5 근3,900g
7 근4,200g
7.5 근4,500g
8 근4,800g
8.5 근5,100g
9 근5,400g
9.5 근5,700g
10 근6,000g