Square Inches to Square Feet Converter
Enter an area in square inches to convert it to square feet.
How to calculate square inches to square feet
One square foot is 144 square inches (12 in × 12 in), so divide your area in square inches by 144 to get square feet. To reverse it, multiply square feet by 144.
Square feet = Square inches ÷ 144
Worked example
Converting a 288 in² cutting board to square feet.
- 288 in² ÷ 144
- = 2 ft²
Result: 288 square inches = 2 square feet
Frequently asked questions
How do I convert square inches to square feet?
One square foot is 144 square inches (12 in × 12 in), so divide your area in square inches by 144 to get square feet. To reverse it, multiply square feet by 144.
What is the formula for square inches to square feet?
Square feet = Square inches ÷ 144.
Is the square inches to square feet converter free?
Yes. Enter any value above to convert instantly, with no sign-up.
How accurate is this conversion?
It uses the exact conversion factor, so the result is precise. Square feet = Square inches ÷ 144. For everyday use you can round to one or two decimal places.