Square Inches to Square Feet
Convert square inches (in²) to square feet (ft²). Type in either box; the other updates as you go.
How to convert square inches to square feet
To convert square inches to square feet, divide the number of square inches by 144.
Example
Convert 5 square inches to square feet:
Square Inch to square foot conversion chart
| Square Inches (in²) | Square Feet (ft²) |
|---|---|
| 1 in² | 0.006944444 ft² |
| 2 in² | 0.01388889 ft² |
| 3 in² | 0.02083333 ft² |
| 4 in² | 0.02777778 ft² |
| 5 in² | 0.03472222 ft² |
| 6 in² | 0.04166667 ft² |
| 7 in² | 0.04861111 ft² |
| 8 in² | 0.05555556 ft² |
| 9 in² | 0.0625 ft² |
| 10 in² | 0.06944444 ft² |
| 12 in² | 0.08333333 ft² |
| 15 in² | 0.1041667 ft² |
| 20 in² | 0.1388889 ft² |
| 25 in² | 0.1736111 ft² |
| 30 in² | 0.2083333 ft² |
| 40 in² | 0.2777778 ft² |
| 50 in² | 0.3472222 ft² |
| 60 in² | 0.4166667 ft² |
| 70 in² | 0.4861111 ft² |
| 75 in² | 0.5208333 ft² |
| 80 in² | 0.5555556 ft² |
| 90 in² | 0.625 ft² |
| 100 in² | 0.6944444 ft² |
| 150 in² | 1.041667 ft² |
| 200 in² | 1.388889 ft² |
| 250 in² | 1.736111 ft² |
| 500 in² | 3.472222 ft² |
| 1,000 in² | 6.944444 ft² |
Going the other way? See the square feet to square inches chart.
About the units
Square Inch (in²)
A square inch is the area of a square one inch on each side, exactly 6.4516 square centimeters.
Square Foot (ft²)
A square foot is the area of a square one foot on each side, about 0.0929 square meters. US homes and offices are sized in square feet.
Frequently asked questions
How many square feet are in a square inch?
There are 0.006944444444 square feet in a square inch.
How many square inches are in a square foot?
There are 144 square inches in a square foot.
How do you convert square inches to square feet?
To convert square inches to square feet, divide the number of square inches by 144.
What is 5 square inches in square feet?
5 square inches equals 0.0347222 square feet.
Convert between square feet, square meters, acres, hectares and other units of area. Open the area converter to see a value in every unit at once.