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 9840 feet into kilometers we have to multiply 9840 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

9840 ft → L_(km)

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

L_(km) = 9840 ft × 0.0003048 km

L_(km) = 2.999232 km

The final result is:

9840 ft → 2.999232 km

We conclude that 9840 feet is equivalent to 2.999232 kilometers:

9840 feet = 2.999232 kilometers

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 kilometer is equal to 0.33341868851759 × 9840 feet.

Another way is saying that 9840 feet is equal to 1 ÷ 0.33341868851759 kilometers.

Approximate result

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

9840 ft ≅ 2.999 km

An alternative is also that one kilometer is approximately zero point three three three times nine thousand eight 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