21 inches in feet Here we will show you how to get 21 inches in feet (21 in to ft). We will show you how to convert 21 inches in feet as a decimal, 21 inches in feet and inches as a decimal, 21 inches in feet as a fraction, and finally, 21 inches in feet and inches as a fraction.

21 inches in feet as a decimal
We start with the easiest conversion. There are twelve inches per foot. Thus, to convert 21 inches to feet as a decimal, you can simply divide 21 by 12 like this:

21 ÷ 12 = 1.75
21 inches = 1.75 feet

21 inches in feet and inches as a decimal
21 inches makes 1 full feet per our calculation above. We subtract the full feet from 21 to get the remaining inches. Below is the math and the answer.

21 - (1 × 12) = 9
21 inches = 1 feet and 9 inches

21 inches in feet as a fraction
You already have the whole number of feet from the answer above. To get the fractional number in feet, you put the decimal inches number from the answer above over 12 and then simplify:

9/12 = 90/120 = 3/4
21 inches = 1 3/4 feet

21 inches in feet and inches as a fraction
Again, you already have the whole number of feet from the answer above. To get the fractional inches, you put the decimal inches number from the answer above over 1 and then simplify:

9/1 = 90/10 = 9
21 inches = 1 feet and 9 inches

Inches in Feet
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21.1 inches in feet
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