Convert Mach Number to Speed Of Sound

Enter the Mach number below to convert the speed to speed of sound.

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Mach 1 = 1 sound

How to Convert Mach Number to Speed Of Sound

Speedometers are used in vehicles to measure speed

To convert a Mach measurement to a speed of sound measurement, multiply the Mach number by the conversion ratio. Mach 1 is equal to 1 speed of sound, so use this simple formula to convert:

speed of sound = Mach number × 1

The speed in speed of sound is equal to the Mach number multiplied by 1.

For example, here's how to convert Mach 2 to speed of sound using the formula above.
Mach 2 = (2 × 1) = 2 sound

Mach number and speed of sound are both units used to measure speed. Keep reading to learn more about each unit of measure.

Mach Number

Mach, sometimes also referred to as a Mach number, is the ratio of the speed of an object to the speed of sound.

Mach can be abbreviated as M, and is also sometimes abbreviated as Ma. For example, Mach 1 can be written as 1 M or 1 Ma.

Although Mach can be abbreviated M or Ma, the Mach number is typically expressed with the number after the unit name. For example, the expression Mach 3 is preferred rather than 3 Machs or 3 M.

The speed is classified as either subsonic, transonic, supersonic, or hypersonic depending on the Mach number.

Speed classifications for various mach numbers.
Speed Classification Mach Number
Subsonic Mach < 1.0
Transonic Mach = 1.0
Supersonic Mach > 1.0
Hypersonic Mach > 5.0

Speed Of Sound

The speed of sound is the distance a sound wave travels through an elastic medium. The speed of sound through air at 20 °C is equal to 343 meters per second, or roughly 767 miles per hour.

Speed of sound can be abbreviated as sound, for example 1 speed of sound can be written as 1 sound.

Mach Measurements and Equivalent Speed Of Sound Conversions

Common Mach values converted to the equivalent speed of sound value
Mach Number Speed Of Sound
Mach 1 1 sound
Mach 2 2 sound
Mach 3 3 sound
Mach 4 4 sound
Mach 5 5 sound
Mach 6 6 sound
Mach 7 7 sound
Mach 8 8 sound
Mach 9 9 sound
Mach 10 10 sound
Mach 11 11 sound
Mach 12 12 sound
Mach 13 13 sound
Mach 14 14 sound
Mach 15 15 sound
Mach 16 16 sound
Mach 17 17 sound
Mach 18 18 sound
Mach 19 19 sound
Mach 20 20 sound
Mach 21 21 sound
Mach 22 22 sound
Mach 23 23 sound
Mach 24 24 sound
Mach 25 25 sound
Mach 26 26 sound
Mach 27 27 sound
Mach 28 28 sound
Mach 29 29 sound
Mach 30 30 sound
Mach 31 31 sound
Mach 32 32 sound
Mach 33 33 sound
Mach 34 34 sound
Mach 35 35 sound
Mach 36 36 sound
Mach 37 37 sound
Mach 38 38 sound
Mach 39 39 sound
Mach 40 40 sound

More Mach Speed Conversions

Convert to Knots
Mach 1 is equal to 666.738661 knots
Convert to Speed Of Light
Mach 1 is equal to 1.1441E-6 speed of light
Convert to Miles Per Hour
Mach 1 is equal to 767.269148 miles per hour
Convert to Feet Per Second
Mach 1 is equal to 1,125.33 feet per second
Convert to Kilometers Per Second
Mach 1 is equal to 0.343 kilometers per second
Convert to Kilometers Per Hour
Mach 1 is equal to 1,234.8 kilometers per hour
Convert to Meters Per Second
Mach 1 is equal to 343 meters per second
Convert to Centimeters Per Second
Mach 1 is equal to 34,300 centimeters per second