Square Feet to Square Inches
Convert square feet (ft²) to square inches (in²). Type in either box; the other updates as you go.
How to convert square feet to square inches
To convert square feet to square inches, multiply the number of square feet by 144.
Example
Convert 5 square feet to square inches:
Square Foot to square inch conversion chart
| Square Feet (ft²) | Square Inches (in²) |
|---|---|
| 1 ft² | 144 in² |
| 2 ft² | 288 in² |
| 3 ft² | 432 in² |
| 4 ft² | 576 in² |
| 5 ft² | 720 in² |
| 6 ft² | 864 in² |
| 7 ft² | 1,008 in² |
| 8 ft² | 1,152 in² |
| 9 ft² | 1,296 in² |
| 10 ft² | 1,440 in² |
| 12 ft² | 1,728 in² |
| 15 ft² | 2,160 in² |
| 20 ft² | 2,880 in² |
| 25 ft² | 3,600 in² |
| 30 ft² | 4,320 in² |
| 40 ft² | 5,760 in² |
| 50 ft² | 7,200 in² |
| 60 ft² | 8,640 in² |
| 70 ft² | 10,080 in² |
| 75 ft² | 10,800 in² |
| 80 ft² | 11,520 in² |
| 90 ft² | 12,960 in² |
| 100 ft² | 14,400 in² |
| 150 ft² | 21,600 in² |
| 200 ft² | 28,800 in² |
| 250 ft² | 36,000 in² |
| 500 ft² | 72,000 in² |
| 1,000 ft² | 144,000 in² |
Going the other way? See the square inches to square feet chart.
About the units
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.
Square Inch (in²)
A square inch is the area of a square one inch on each side, exactly 6.4516 square centimeters.
Frequently asked questions
How many square inches are in a square foot?
There are 144 square inches in a square foot.
How many square feet are in a square inch?
There are 0.006944444444 square feet in a square inch.
How do you convert square feet to square inches?
To convert square feet to square inches, multiply the number of square feet by 144.
What is 5 square feet in square inches?
5 square feet equals 720 square inches.
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.