500yd是多少m？
500yd = 457.2m
是457.2m，所以说成457m也没问题——四舍五入的误差在0.5%以内。
反过来，500m是多少yd？
500m = 546.807yd
计算公式: m = yd × 0.9144
该数值前后的 yd → m
50 yd45.72m
100 yd91.44m
150 yd137.16m
200 yd182.88m
250 yd228.6m
300 yd274.32m
350 yd320.04m
400 yd365.76m
450 yd411.48m
500 yd457.2m
550 yd502.92m
600 yd548.64m
650 yd594.36m
700 yd640.08m
750 yd685.8m
800 yd731.52m
850 yd777.24m
900 yd822.96m
950 yd868.68m
1,000 yd914.4m