5km/hは何mphですか？
5km/h = 3.11mph
3.11mphを3mphに丸めると3.537%ずれます。この値では小数を残したほうが安全です。
逆に5mphは何km/hですか？
5mph = 8.05km/h
計算式: mph = km/h × 0.621371
km/h → mph 前後の値
0.5 km/h0.31mph
1 km/h0.62mph
1.5 km/h0.93mph
2 km/h1.24mph
2.5 km/h1.55mph
3 km/h1.86mph
3.5 km/h2.17mph
4 km/h2.49mph
4.5 km/h2.8mph
5 km/h3.11mph
5.5 km/h3.42mph
6 km/h3.73mph
6.5 km/h4.04mph
7 km/h4.35mph
7.5 km/h4.66mph
8 km/h4.97mph
8.5 km/h5.28mph
9 km/h5.59mph
9.5 km/h5.9mph
10 km/h6.21mph