1,000chain是多少m？
1,000chain = 20,116.8m
是20,116.8m，所以说成20,117m也没问题——四舍五入的误差在0.5%以内。
反过来，1,000m是多少chain？
1,000m = 49.7097chain
计算公式: m = chain × 20.1168
该数值前后的 chain → m
100 chain2,011.68m
200 chain4,023.36m
300 chain6,035.04m
400 chain8,046.72m
500 chain10,058.4m
600 chain12,070.08m
700 chain14,081.76m
800 chain16,093.44m
900 chain18,105.12m
1,000 chain20,116.8m
1,100 chain22,128.48m
1,200 chain24,140.16m
1,300 chain26,151.84m
1,400 chain28,163.52m
1,500 chain30,175.2m
1,600 chain32,186.88m
1,700 chain34,198.56m
1,800 chain36,210.24m
1,900 chain38,221.92m
2,000 chain40,233.6m