To convert metric kilometers into customary miles, multiply the kilometers by a conversion rate of 0.6214. Using this conversion, 1 kilometer is equal to 0.6214 miles.Continue Reading
Set up the equation using this formula: mi = km x 0.6214.
Input the amount of kilometers to be converted into the formula. For this example, 3 kilometers are being converted into miles, so the equation reads: mi = 3 x 0.6214.
Use a calculator or a pencil and paper to solve. Continuing with the example, 3 kilometers is equal to 1.8642 miles because 3 x 0.6214 = 1.8642 mi.