How many kilometre/hour in 1 speed of sound?
The answer is 1225.044.
We assume you are converting between kilometre/hour and speed of sound [air].
You can view more details on each measurement unit: kilometre/hour or
speed of sound
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 3.6 kilometre/hour, or 0.002938669957977 speed of sound.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilometers/hour and speed of sound [air].
Type in your own numbers in the form to convert the units!

The kilometre per hour (American English: kilometer per hour) is a unit of both speed (scalar) and velocity (vector).

The km/h is the worldwide most commonly used speed unit on road signs and car speedometers.

››Metric conversions and more

ConvertUnits.com provides an online
conversion calculator for all types of measurement units.
You can find metric conversion tables for SI units, as well
as English units, currency, and other data. Type in unit
symbols, abbreviations, or full names for units of length,
area, mass, pressure, and other types. Examples include mm,
inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm,
metres squared, grams, moles, feet per second, and many more!