Mach Number Calculator
Use this calculator to determine the Mach number, which represents how fast an object is moving relative to the speed of sound in a given medium.
What this calculator is doing
The Mach number is a dimensionless quantity representing the ratio of an object's speed to the speed of sound in the same medium:
\[ M = \frac{v}{a} \]
Where:
\( M \) = Mach number (unitless)
\( v \) = Object speed (m/s)
\( a \) = Speed of sound in the medium (m/s)
Mach numbers classify motion as:
- \( M < 1 \): Subsonic
- \( M = 1 \): Sonic
- \( 1 < M < 5 \): Supersonic
- \( M \geq 5 \): Hypersonic
This calculator assumes constant temperature and uniform medium for sound propagation.
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