Japanese Shinkansen Speed Conversion
Converts Shinkansen speed (km/h) to other units like Mach.
新幹線の速度を入力
時速 (km/h) を入力すると、他の単位に換算されます。
マッハ数について
マッハ数の計算は、海面レベル、20°Cでの音速（約343 m/s または 1234.8 km/h）に基づいた概算値です。実際の音速は気温や高度によって変化します。
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