Convert Square Foot to Square Inch
1 square foot = 144 square inches (ft² to in²).
The square foot (ft²) and the square inch (in²) both measure area. A square foot is larger than a square inch — one square foot contains 144 square inches. Going the other way, one square inch is 0.00694444 square feet. The converter above does this in real time, and the reference chart lists the values that come up most often.
1 ft² = 144 in²
How to convert Square Feet to Square Inches
Multiply the square foot value by 144 to get square inches.
Example: 10 square feet = 1,440 square inches.
Square Foot to Square Inch Conversion Chart
| Square Feet | Square Inches |
|---|---|
| 1 ft² | 144 in² |
| 2 ft² | 288 in² |
| 3 ft² | 432 in² |
| 5 ft² | 720 in² |
| 10 ft² | 1,440 in² |
| 20 ft² | 2,880 in² |
| 25 ft² | 3,600 in² |
| 50 ft² | 7,200 in² |
| 100 ft² | 14,400 in² |
| 1000 ft² | 144,000 in² |
Frequently Asked Questions
- How many square inches are in a square foot?
- There are 144 square inches in 1 square foot.
- How do you convert square feet to square inches?
- Multiply the square foot value by 144 to get square inches.
- What is 5 square feet in square inches?
- 5 square feet equals 720 square inches.
- What is 100 square feet in square inches?
- 100 square feet equals 14,400 square inches.
- What is 1 square inch in square feet?
- 1 square inch equals 0.0069444444 square feet.
- Is this square foot to square inch converter free?
- Yes. The converter is free, needs no sign-up, and runs entirely in your browser — the values you enter never leave your device.