Convert Mach

Speedometers are used in vehicles to measure speed

Mach is a measure of speed. Mach is a metric unit of measure, and can be abbreviated as M. For example 1 mach can be written as 1 M.

Mach Conversion Calculators

Choose an imperial or metric unit to convert mach to.

Convert mach to knots
1 mach is equal to 666.738661 knots
Convert mach to speed of sound
1 mach is equal to 1 speed of sound
Convert mach to miles per hour
1 mach is equal to 767.269148 miles per hour
Convert mach to feet per second
1 mach is equal to 1,125 feet per second
Convert mach to kilometers per second
1 mach is equal to 0.343 kilometers per second
Convert mach to kilometers per hour
1 mach is equal to 1,235 kilometers per hour
Convert mach to meters per second
1 mach is equal to 343 meters per second
Convert mach to centimeters per second
1 mach is equal to 34,300 centimeters per second

We have many more speed conversion tools that you might also find useful.

Mach unit of measurement conversion

Mach Measurement Conversion Table

Common mach values and equivalent imperial and metric speed measurements
mach knots speed of sound miles per hour feet per second kilometers per second kilometers per hour meters per second centimeters per second
1 M 666.738661 kn 1 767.269148 mph 1,125 ft/sec 0.343 km/sec 1,235 km/h 343 m/sec 34,300 cm/sec
2 M 1,333 kn 2 1,535 mph 2,251 ft/sec 0.686 km/sec 2,470 km/h 686 m/sec 68,600 cm/sec
3 M 2,000 kn 3 2,302 mph 3,376 ft/sec 1.029 km/sec 3,704 km/h 1,029 m/sec 102,900 cm/sec
4 M 2,667 kn 4 3,069 mph 4,501 ft/sec 1.372 km/sec 4,939 km/h 1,372 m/sec 137,200 cm/sec
5 M 3,334 kn 5 3,836 mph 5,627 ft/sec 1.715 km/sec 6,174 km/h 1,715 m/sec 171,500 cm/sec
6 M 4,000 kn 6 4,604 mph 6,752 ft/sec 2.058 km/sec 7,409 km/h 2,058 m/sec 205,800 cm/sec
7 M 4,667 kn 7 5,371 mph 7,877 ft/sec 2.401 km/sec 8,644 km/h 2,401 m/sec 240,100 cm/sec
8 M 5,334 kn 8 6,138 mph 9,003 ft/sec 2.744 km/sec 9,878 km/h 2,744 m/sec 274,400 cm/sec
9 M 6,001 kn 9 6,905 mph 10,128 ft/sec 3.087 km/sec 11,113 km/h 3,087 m/sec 308,700 cm/sec
10 M 6,667 kn 10 7,673 mph 11,253 ft/sec 3.43 km/sec 12,348 km/h 3,430 m/sec 343,000 cm/sec
11 M 7,334 kn 11 8,440 mph 12,379 ft/sec 3.773 km/sec 13,583 km/h 3,773 m/sec 377,300 cm/sec
12 M 8,001 kn 12 9,207 mph 13,504 ft/sec 4.116 km/sec 14,818 km/h 4,116 m/sec 411,600 cm/sec
13 M 8,668 kn 13 9,974 mph 14,629 ft/sec 4.459 km/sec 16,052 km/h 4,459 m/sec 445,900 cm/sec
14 M 9,334 kn 14 10,742 mph 15,755 ft/sec 4.802 km/sec 17,287 km/h 4,802 m/sec 480,200 cm/sec
15 M 10,001 kn 15 11,509 mph 16,880 ft/sec 5.145 km/sec 18,522 km/h 5,145 m/sec 514,500 cm/sec
16 M 10,668 kn 16 12,276 mph 18,005 ft/sec 5.488 km/sec 19,757 km/h 5,488 m/sec 548,800 cm/sec
17 M 11,335 kn 17 13,044 mph 19,131 ft/sec 5.831 km/sec 20,992 km/h 5,831 m/sec 583,100 cm/sec
18 M 12,001 kn 18 13,811 mph 20,256 ft/sec 6.174 km/sec 22,226 km/h 6,174 m/sec 617,400 cm/sec
19 M 12,668 kn 19 14,578 mph 21,381 ft/sec 6.517 km/sec 23,461 km/h 6,517 m/sec 651,700 cm/sec
20 M 13,335 kn 20 15,345 mph 22,507 ft/sec 6.86 km/sec 24,696 km/h 6,860 m/sec 686,000 cm/sec