1 mi = 1.609344 km. To convert 10.5 miles into kilometers we have to multiply 10.5 by the conversion factor in order to get the length amount from miles to kilometers. We can also form a simple proportion to calculate the result: 1 mi → 1.609344 km. 10.5 mi → L (km) Solve the above proportion to obtain the length L in kilometers: The conversion factor from centimeters to kilometers is 1.0E-5, which means that 1 centimeter is equal to 1.0E-5 kilometers: 1 cm = 1.0E-5 km. To convert 5 centimeters into kilometers we have to multiply 5 by the conversion factor in order to get the length amount from centimeters to kilometers. We can also form a simple proportion to calculate How long does it take to walk 2.5 km? An average adult while walking at a moderate pace continously can cover around 1.5 kms in 15 minutes.So 2.5 km will take around (2.5/1.5) * 15 min= Y mins/hours A runner ran $\frac{2}{3}$ of a 5 kilometer race in 21 minutes. They ran the entire race at a constant speed. a. How long did it take to run the entire race? b. How many minutes did it take to run 1 kilometer? A runner ran $\frac{2}{3}$ of a 5 kilometer race in 21 minutes. They ran the entire race at a constant speed. a. How long is 1,500 kilometers? How far is 1.5 thousand kilometers in miles? 1,500 km to mi conversion. To convert 5.9 miles into kilometers we have to multiply 5.9 by the conversion factor in order to get the length amount from miles to kilometers. We can also form a simple proportion to calculate the result: 1 mi → 1.609344 km. 5.9 mi → L (km) Solve the above proportion to obtain the length L in kilometers: L (km) = 5.9 mi × 1.609344 km The international foot corresponds to human feet with shoe size 13 (UK), 14 (US male), 15.5 (US female), or 46 (EU). Kilometer. Definition: A kilometer (symbol: km) is a unit of length in the International System of Units (SI). One kilometer is equivalent to 0.6214 miles. History/origin: The prefix kilo- is a metric prefix indicating one To convert 5.5 kilometers into feet we have to multiply 5.5 by the conversion factor in order to get the length amount from kilometers to feet. We can also form a simple proportion to calculate the result: 1 km → 3280.8398950131 ft. 5.5 km → L (ft) Solve the above proportion to obtain the length L in feet: L (ft) = 5.5 km × 3280.8398950131 ft Convert kilometers to miles. How many miles in a kilometer? 1 kilometre is equal to 0.62137119 miles, which is the conversion factor from kilometers to miles. Go ahead and convert your own value of km to miles in the converter below. Quick conversion chart of km to miles. 1 km to miles = 0.62137 miles. 5 km to miles = 3.10686 miles. 10 km to miles = 6.21371 miles. 20 km to miles = 12.42742 miles. 30 km to miles = 18.64114 miles. 40 km to miles = 24.85485 miles. 50 km to miles = 31.06856 miles. 75 km to miles = 46.60284 miles. Fmak.