Conversion formula

The conversion factor from inches to feet is 0.083333333333333, which means that 1 inch is equal to 0.083333333333333 feet:

1 in = 0.083333333333333 ft

To convert 138.5 inches into feet we have to multiply 138.5 by the conversion factor in order to get the length amount from inches to feet. We can also form a simple proportion to calculate the result:

1 in → 0.083333333333333 ft

138.5 in → L_(ft)

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

L_(ft) = 138.5 in × 0.083333333333333 ft

L_(ft) = 11.541666666667 ft

The final result is:

138.5 in → 11.541666666667 ft

We conclude that 138.5 inches is equivalent to 11.541666666667 feet:

138.5 inches = 11.541666666667 feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot is equal to 0.086642599277978 × 138.5 inches.

Another way is saying that 138.5 inches is equal to 1 ÷ 0.086642599277978 feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred thirty-eight point five inches is approximately eleven point five four two feet:

138.5 in ≅ 11.542 ft

An alternative is also that one foot is approximately zero point zero eight seven times one hundred thirty-eight point five inches.

Conversion table

inches to feet chart

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