Conversion formula

The conversion factor from feet to kilometers is 0.0003048, which means that 1 foot is equal to 0.0003048 kilometers:

1 ft = 0.0003048 km

To convert 42.1 feet into kilometers we have to multiply 42.1 by the conversion factor in order to get the length amount from feet to kilometers. We can also form a simple proportion to calculate the result:

1 ft → 0.0003048 km

42.1 ft → L_(km)

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

L_(km) = 42.1 ft × 0.0003048 km

L_(km) = 0.01283208 km

The final result is:

42.1 ft → 0.01283208 km

We conclude that 42.1 feet is equivalent to 0.01283208 kilometers:

42.1 feet = 0.01283208 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 77.929688717651 × 42.1 feet.

Another way is saying that 42.1 feet is equal to 1 ÷ 77.929688717651 kilometers.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two point one feet is approximately zero point zero one three kilometers:

42.1 ft ≅ 0.013 km

An alternative is also that one kilometer is approximately seventy-seven point nine three times forty-two point one feet.

Conversion table

feet to kilometers chart

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