Algebraic Steps / Dimensional Analysis Formula ____ mi/hr*5280 ft/hr
1 mi/hr*1 m/hr
3.2808 ft/hr*1 km/hr
1000 m/hr=? km/hr
Direct Conversion Formula ____ mi/hr*1.609344 km/hr
1 mi/hr=? km/hr
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To convert miles to kilometers, multiply by 1.6. The same if you want to convert miles/hour to kilometers/hour.
Divide km per hour by 1.609
To convert 200 kilometers per hour to miles per hour, you need to multiply the value in kilometers per hour by 0.621371. Therefore, 200 kilometers per hour is equal to 124.274238 miles per hour. The conversion factor is derived from the definition of a kilometer and a mile.
roughly MPH X 1.609
70 miles per hour is 112 kilometers per hour. The formula to convert miles to km 70 mi* 1.609344 km 1 mi = 112.65408 km