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 3640 feet into kilometers we have to multiply 3640 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

3640 ft → L_(km)

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

L_(km) = 3640 ft × 0.0003048 km

L_(km) = 1.109472 km

The final result is:

3640 ft → 1.109472 km

We conclude that 3640 feet is equivalent to 1.109472 kilometers:

3640 feet = 1.109472 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.90132964148712 × 3640 feet.

Another way is saying that 3640 feet is equal to 1 ÷ 0.90132964148712 kilometers.

Approximate result

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

3640 ft ≅ 1.109 km

An alternative is also that one kilometer is approximately zero point nine zero one times three thousand six hundred forty 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