# Mach Number to Feet per Second Converter

Enter the Mach number below to convert the speed to feet per second.

## Result in Feet per Second:

Mach 1 = 1,125.328084 ft/s

Do you want to convert feet per second to Mach number?

## How to Convert Mach Number to Feet per Second

To convert a Mach measurement to a foot per second measurement, multiply the Mach number by the conversion ratio. Mach 1 is equal to 1,125.328084 feet per second, so use this simple formula to convert:

feet per second = Mach number × 1,125.328084

The speed in feet per second is equal to the Mach number multiplied by 1,125.328084.

For example, here's how to convert Mach 2 to feet per second using the formula above.
Mach 2 = (2 × 1,125.328084) = 2,250.656168 ft/s

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

## What Is 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.[1]

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

## What Are Feet per Second?

Feet per second are a measurement of speed expressing the distance traveled in feet in one second.

The foot per second is a US customary and imperial unit of speed. Feet per second can be abbreviated as ft/s, and are also sometimes abbreviated as ft/sec or fps. For example, 1 foot per second can be written as 1 ft/s, 1 ft/sec, or 1 fps.

In the expressions of units, the slash, or solidus (/), is used to express a change in one or more units relative to a change in one or more other units.[2] For example, ft/s is expressing a change in length or distance relative to a change in time.

Feet per second can be expressed using the formula:
vft/s = dft / tsec

The velocity in feet per second is equal to the distance in feet divided by time in seconds.

## Mach to Foot per Second Conversion Table

Mach numbers converted to feet per second
Mach Number Feet Per Second
Mach 0.25 281.33 ft/s
Mach 0.5 562.66 ft/s
Mach 0.75 844 ft/s
Mach 1 1,125 ft/s
Mach 1.5 1,688 ft/s
Mach 2 2,251 ft/s
Mach 2.5 2,813 ft/s
Mach 3 3,376 ft/s
Mach 3.5 3,939 ft/s
Mach 4 4,501 ft/s
Mach 4.5 5,064 ft/s
Mach 5 5,627 ft/s
Mach 5.5 6,189 ft/s
Mach 6 6,752 ft/s
Mach 6.5 7,315 ft/s
Mach 7 7,877 ft/s
Mach 7.5 8,440 ft/s
Mach 8 9,003 ft/s
Mach 8.5 9,565 ft/s
Mach 9 10,128 ft/s
Mach 9.5 10,691 ft/s
Mach 10 11,253 ft/s

## References

1. NASA, Mach Number, https://www.grc.nasa.gov/WWW/BGH/mach.html
2. National Institute of Standards and Technology, NIST Guide to the SI, Chapter 6: Rules and Style Conventions for Printing and Using Units, https://www.nist.gov/pml/special-publication-811/nist-guide-si-chapter-6-rules-and-style-conventions-printing-and-using