40 feet in inches

Result

The conversion result is: 40 feet is equivalent to 480 inches.[1]

Conversion formula
How to convert 40 feet to inches?

We know (by definition) that: 1 ft = 12 in.

We can set up a proportion to solve for the number of inches.

1 ft / 40 ft = 12 in / x in

Now, we cross multiply to solve for our unknown x:

x in = (40 ft / 1 ft) * 12 in → x in = 480 in

Conclusion:

40 ft = 480 in

Conversion in the opposite direction

The inverse of the conversion factor is that 1 inch is equal to 0.00208333333333333 times 40 feet.

It can also be expressed as: 40 feet is equal to 1 / 0.00208333333333333 inches.

Approximation

An approximate numerical result would be: forty feet is about four hundred and eighty inches, or alternatively, a inch is about zero times forty feet.

Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.