![]() ![]() ![]() So, to convert directly from mph to km/h (kph), you multiply by 1.6093439. Or, you can find the single factor you need by dividing the A factor by the B factor.įor example, to convert from miles per hour to kilometers per hour you would multiply by 0.44704 then divide by 0.2777778. How to convert from Kilometers/Hour to Miles/Hour. Then divide by the factor for B to convert out of meters per second. 80 Kilometers/Hour is equivalent to 49.709695379026 Miles/Hour. If we want to calculate how many Miles per Hour are 80 Kilometers per Hour we have to multiply 80 by 15625 and divide the product by 25146. To convert among any units in the left column, say from A to B, you can multiply by the factor for A to convert A into meters per second Usage of fractions is recommended when more precision is needed. To convert from m/s into units in the left columnĭivide by the value in the right column or, multiply by the reciprocal, 1/x.Ģ.2352 (m/s) / 0.44704 = 5 mph Formula: multiply the value in kilometers per hour by the conversion factor 0.6213711922375. To simply convert from any unit into meters per second, for example, from 5 mph, just multiply by the conversion value in the right column in the table below.ĥ mph * 0.44704 = 2.2352 m/s Where S is our starting value, C is our conversion factor, and How to Convert Units of SpeedĬonversions are performed by using a conversion factor. By knowing the conversion factor, converting between units can become a simple multiplication problem: Learn how many kilometers per hour equal one mile per hour and use our conversion table for quick reference. The English system usually expresses speed as miles per hour (mph) or sometimes feet per second (ft/s), while marine vessels typically use knots, or nautical miles per hour. Easy miles per hour to kilometers per hour conversion using this mph to kmph converter online. Negative 2 m/s, although your speed is still positive.įor most science applications, the SI unit for speed and velocity is meters per second (m/s), although kliometers per hour (km/h) is sometimes used when measuring the speed of vehicles. Say you were walking backward again your velocity is Positive for an uphill grade and negative for a downhill road and. Velocity is speed in the context of direction. The AASHTO stopping distance formula is as follows: s (0.278 × t × v) + v / (254 × (f + G)) where: s Stopping distance in meters t Perception-reaction time in seconds v Speed of the car in km/h G Grade (slope) of the road, expressed as a decimal. Walk forward or backward at 2 meters per second, and your speed is just that: 2 m/s. Speed is the rate of change in position of an object, regardless of direction of travel.
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