How many millispeed of sound [air] in 1 kilometre/hour? The answer is 0.81629721054917. We assume you are converting between millispeed of sound [air] and kilometre/hour. You can view more details on each measurement unit: millispeed of sound [air] or kilometre/hour The SI derived unit for speed is the meter/second. 1 meter/second is equal to 2.938669957977 millispeed of sound [air], or 3.6 kilometre/hour. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between millispeed of sound [air] and kilometers/hour. Type in your own numbers in the form to convert the units!
1 millispeed of sound [air] to kilometre/hour = 1.22504 kilometre/hour
5 millispeed of sound [air] to kilometre/hour = 6.12522 kilometre/hour
10 millispeed of sound [air] to kilometre/hour = 12.25044 kilometre/hour
15 millispeed of sound [air] to kilometre/hour = 18.37566 kilometre/hour
20 millispeed of sound [air] to kilometre/hour = 24.50088 kilometre/hour
25 millispeed of sound [air] to kilometre/hour = 30.6261 kilometre/hour
30 millispeed of sound [air] to kilometre/hour = 36.75132 kilometre/hour
40 millispeed of sound [air] to kilometre/hour = 49.00176 kilometre/hour
50 millispeed of sound [air] to kilometre/hour = 61.2522 kilometre/hour
You can do the reverse unit conversion from kilometre/hour to millispeed of sound [air], or enter any two units below:
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.
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, 70 kg, 150 lbs, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!