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 3 feet into inches we have to multiply 3 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

3 ft → L(in)

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

L(in) = 3 ft × 12 in

L(in) = 36 in

The final result is:

3 ft → 36 in

We conclude that 3 feet is equivalent to 36 inches:

3 feet = 36 inches

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 inch is equal to 0.027777777777778 × 3 feet.

Another way is saying that 3 feet is equal to 1 ÷ 0.027777777777778 inches.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three feet is approximately thirty-six inches:

3 ft ≅ 36 in

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

feet (ft) inches (in)
4 feet 48 inches
5 feet 60 inches
6 feet 72 inches
7 feet 84 inches
8 feet 96 inches
9 feet 108 inches
10 feet 120 inches
11 feet 132 inches
12 feet 144 inches
13 feet 156 inches