Conversion formula

The conversion factor from feet to inches is 12, which means that 1 foot is equal to 12 inches:

1 ft = 12 in

To convert 870 feet into inches we have to multiply 870 by the conversion factor in order to get the length amount from feet to inches. We can also form a simple proportion to calculate the result:

1 ft → 12 in

870 ft → L_(in)

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

L_(in) = 870 ft × 12 in

L_(in) = 10440 in

The final result is:

870 ft → 10440 in

We conclude that 870 feet is equivalent to 10440 inches:

870 feet = 10440 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 9.5785440613027E-5 × 870 feet.

Another way is saying that 870 feet is equal to 1 ÷ 9.5785440613027E-5 inches.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight hundred seventy feet is approximately ten thousand four hundred forty inches:

870 ft ≅ 10440 in

An alternative is also that one inch is approximately zero times eight hundred seventy feet.

Conversion table

feet to inches chart

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