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 40 feet into inches we have to multiply 40 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

40 ft → L_(in)

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

L_(in) = 40 ft × 12 in

L_(in) = 480 in

The final result is:

40 ft → 480 in

We conclude that 40 feet is equivalent to 480 inches:

40 feet = 480 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 0.0020833333333333 × 40 feet.

Another way is saying that 40 feet is equal to 1 ÷ 0.0020833333333333 inches.

Approximate result

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

40 ft ≅ 480 in

An alternative is also that one inch is approximately zero point zero zero two times forty 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