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Unit Converter

Conversion formula

The conversion factor from miles to kilometers is 1.609344, which means that 1 mile is equal to 1.609344 kilometers:

1 mi = 1.609344 km

To convert 42 miles into kilometers we have to multiply 42 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

42 mi → L(km)

Solve the above proportion to obtain the length L in kilometers:

L(km) = 42 mi × 1.609344 km

L(km) = 67.592448 km

The final result is:

42 mi → 67.592448 km

We conclude that 42 miles is equivalent to 67.592448 kilometers:

42 miles = 67.592448 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.014794552196127 × 42 miles.

Another way is saying that 42 miles is equal to 1 ÷ 0.014794552196127 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two miles is approximately sixty-seven point five nine two kilometers:

42 mi ≅ 67.592 km

An alternative is also that one kilometer is approximately zero point zero one five times forty-two miles.

Conversion table

miles to kilometers chart

For quick reference purposes, below is the conversion table you can use to convert from miles to kilometers

miles (mi) kilometers (km)
43 miles 69.202 kilometers
44 miles 70.811 kilometers
45 miles 72.42 kilometers
46 miles 74.03 kilometers
47 miles 75.639 kilometers
48 miles 77.249 kilometers
49 miles 78.858 kilometers
50 miles 80.467 kilometers
51 miles 82.077 kilometers
52 miles 83.686 kilometers