500chain是多少m？
500chain = 10,058.4m
是10,058.4m，所以说成10,058m也没问题——四舍五入的误差在0.5%以内。
反过来，500m是多少chain？
500m = 24.8548chain
计算公式: m = chain × 20.1168
该数值前后的 chain → m
50 chain1,005.84m
100 chain2,011.68m
150 chain3,017.52m
200 chain4,023.36m
250 chain5,029.2m
300 chain6,035.04m
350 chain7,040.88m
400 chain8,046.72m
450 chain9,052.56m
500 chain10,058.4m
550 chain11,064.24m
600 chain12,070.08m
650 chain13,075.92m
700 chain14,081.76m
750 chain15,087.6m
800 chain16,093.44m
850 chain17,099.28m
900 chain18,105.12m
950 chain19,110.96m
1,000 chain20,116.8m