How many miles per hour are in a knot? Use this easy and mobile-friendly calculator to convert between knots and miles per hour. It is equal to exactly 1.609344 kilometers per hour. Common abbreviations: mph, mi/h. Knots to Miles per Hour Conversion Table. results may be rounded. knots mph; 0.001: 0.0011508: 0.002: 0.0023016: 0.003: 0. Task: Convert 2,500 miles per hour to kilometers per second (show work) Formula: mph x 0.00044704 = km/s Calculations: 2,500 mph x 0.00044704 = 1.1176 km/s Result: 2,500 mph is equal to 1.1176 km/s. Conversion Table. For quick reference purposes, below is a conversion table that you can use to convert from mph to km/s. Kilometers per hour (km/h) Miles per hour (mph) 30: 4.82 km/h: 3 mph: 30-39: 4.54 km/h: 2.8 mph: 40-49: 4.54 km/h: 2.8 mph: 50-59: 4.43 km/h: 2.75 mph >60: 4.34 km/h: 2.7 mph >65: 3.42 km/h Miles per hour. This is a measurement of speed typically used in non-metric countries for transport such as the USA. The United Kingdom also uses this on the roads although officially the metric system has been adopted. Road speed limits are given in miles per hour which is abbreviated as mph or mi/h. Miles per hour to Kilometers per second formula Knots to Miles per hour formula Miles per hour. This is a measurement of speed typically used in non-metric countries for transport such as the USA. The United Kingdom also uses this on the roads although officially the metric system has been adopted. Road speed limits are given in miles per hour which is abbreviated as mph or mi/h. 60 minutes = 1 hour We can now set up the equation using these relationships so the units cancel out leaving only the desired miles/hour. speed MPH = 2.998 x 10 8 m/sec x (1 km/1000 m) x (0.621 mi/1 km) x (60 sec/1 min) x (60 min/1 hr) Note all the units cancelled out, leaving only miles/hr: speed MPH = (2.998 x 10 8 x 1/1000 x 0.621 x 60 x 60 200. KMH. = 124.2776. MPH. 200 kilometers per hour are equal to 124.2776 miles per hour. Open converter: KMH MPH. Convert mph to kph Please provide values below to convert mile/hour [mi/h] to kilometer/hour [km/h], or vice versa. Mile/hour Definition: The unit miles per hour (symbol: mph) is a measurement of speed in the imperial and United States customary systems. It expresses the number of statute miles traveled over the period of one hour. Miles per hour is a unit of speed in both US Customary Units as well as the Imperial System. It measures the number of miles traveled in an hour. kilometers per hour: km/h: Metric System: 1 km/h = 1000 m/h: knot: kn: Non-SI (International) 1 knot = 1.15078 mph: Per Minute. Unit Symbol Measurement System Description; inches per minute: in/m: Solve for ds dt. So the rate at which, so 2 times x-- maybe I'll do that in yellow-- 2 times x, x is 0.6 so it's going to be 1.2 times dx dt, so that's negative 30 miles per hour. So times negative 30 miles per hour, plus 2 times y is 1.6, times dy dt is negative 60 miles per hour. And I'm not writing the units here. G7f1xfG.