Convert Speed Of Sound to Knots

Enter the speed in speed of sound below to get the value converted to knots.

Results in Knots:
Loading content.
1 speed of sound = 666.738661 kn

How to Convert Speed Of Sound to Knots

Speedometers are used in vehicles to measure speed

To convert a speed of sound measurement to a knot measurement, multiply the speed by the conversion ratio. One speed of sound is equal to 666.738661 knots, so use this simple formula to convert:

knots = speed of sound × 666.738661

The speed in knots is equal to the speed of sound multiplied by 666.738661.

For example, here's how to convert 5 speed of sound to knots using the formula above.
5 speed of sound = (5 × 666.738661) = 3,333.693305 kn

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

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.


One knot is equal to a speed of one nautical mile per hour, or one minute of latitude per hour.

Knots can be abbreviated as kn, and are also sometimes abbreviated as kt. For example, 1 knot can be written as 1 kn or 1 kt.

Speed Of Sound Measurements and Equivalent Knot Conversions

Common speed of sound values converted to the equivalent knot value
Speed Of Sound Knots
1 666.74 kn
2 1,333 kn
3 2,000 kn
4 2,667 kn
5 3,334 kn
6 4,000 kn
7 4,667 kn
8 5,334 kn
9 6,001 kn
10 6,667 kn
11 7,334 kn
12 8,001 kn
13 8,668 kn
14 9,334 kn
15 10,001 kn
16 10,668 kn
17 11,335 kn
18 12,001 kn
19 12,668 kn
20 13,335 kn
21 14,002 kn
22 14,668 kn
23 15,335 kn
24 16,002 kn
25 16,668 kn
26 17,335 kn
27 18,002 kn
28 18,669 kn
29 19,335 kn
30 20,002 kn
31 20,669 kn
32 21,336 kn
33 22,002 kn
34 22,669 kn
35 23,336 kn
36 24,003 kn
37 24,669 kn
38 25,336 kn
39 26,003 kn
40 26,670 kn

More Speed Of Sound Speed Conversions

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

Unit of Measurement Conversion Made Easy!

There are thousands of units of measure in use across the globe, and converting from one to another can be very difficult since each conversion requires a different formula to derive the result. Our unit of measurement conversion tools are meant to be dead easy. We break the mold of the typical dry and complicated experience. In addition to converting from one measurement to another, we provide the formula so you can see how the conversion is done, use it on you’re own calculator if you need to!

Convert units of length, weight, volume, and area between imperial and metric measures

Understanding the Metric System

The metric system makes it relatively easy to convert from one metric unit to another metric unit. The metric system uses a base unit, think meters or grams, and a prefix such as kilo or milli. The prefixes differ from the base units by differing powers of 10. So to convert within the metric system it’s usually a matter of multiplying or dividing by one of the powers of 10.

Here is a list of some of the common metric prefixes:

  • “kilo” – 1,000x larger
  • “hecto” – 100x larger
  • “deca” – 10x larger
  • “deci” – 10x smaller
  • “centi” – 100x smaller
  • “milli” – 1,000x smaller

There is a helpful mnemonic for remembering the prefixes: “King Henry Died Until Drinking Chocolate Milk.”
The u in Until refers to the base unit.