Square feet to Square inches Conversion

From:

To:

Enter value to convert:

ft²

Output value:

in²

How to convert square feet to square inches

1 square foot is equal to 144 square inches:

1 ft² = 144 in²

When an area A in square feet is multiplied by 144, it gives area in square inches.

A_in² = A_ft² × 144

Example

To convert 30 square feet into square inches, it is multiplied by 144:

(30 ft²) × 144 = 4320 in²

Square feet

The square foot (plural square feet) is an imperial unit and U.S. customary unit of area. It is defined as the area of a square with sides of 1 foot. It is abbreviated sq. ft, sf, or ft². It is also denoted by '2.

Square inches

The square inch (plural square inches) is a unit of area. It is defined as the area of a square with sides of 1 inch. It is abbreviated sq. in, inch², or in².

Quick Conversion Table

The quick square foot to square inch conversion table is given below:

Square feet	Square inches
10 ft²	1440 in²
20 ft²	2880 in²
30 ft²	4320 in²
36 ft²	5184 in²
40 ft²	5760 in²
50 ft²	7200 in²
60 ft²	8640 in²
70 ft²	10080 in²
80 ft²	11520 in²
90 ft²	12960 in²
100 ft²	14400 in²