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 21 inches into feet we have to multiply 21 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

21 in → L_(ft)

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

L_(ft) = 21 in × 0.083333333333333 ft

L_(ft) = 1.75 ft

The final result is:

21 in → 1.75 ft

We conclude that 21 inches is equivalent to 1.75 feet:

21 inches = 1.75 feet

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 foot is equal to 0.57142857142857 × 21 inches.

Another way is saying that 21 inches is equal to 1 ÷ 0.57142857142857 feet.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one inches is approximately one point seven five feet:

21 in ≅ 1.75 ft

An alternative is also that one foot is approximately zero point five seven one times twenty-one 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