80yd是多少m？
80yd = 73.152m
是73.152m，所以说成73m也没问题——四舍五入的误差在0.5%以内。
反过来，80m是多少yd？
80m = 87.489yd
计算公式: m = yd × 0.9144
该数值前后的 yd → m
35 yd32.004m
40 yd36.576m
45 yd41.148m
50 yd45.72m
55 yd50.292m
60 yd54.864m
65 yd59.436m
70 yd64.008m
75 yd68.58m
80 yd73.152m
85 yd77.724m
90 yd82.296m
95 yd86.868m
100 yd91.44m
105 yd96.012m
110 yd100.584m
115 yd105.156m
120 yd109.728m
125 yd114.3m
130 yd118.872m