Convert Square Feet to Square Inches
One square foot equals 144 square inches. Type any value to convert square feet to square inches instantly — with a full reference table below.
Convert Square Feet to Square Inches
🔒 Converted in your browser — nothing you enter is sent anywhere.
Conversion formula
To convert square feet to square inches, multiply by 144. One square foot equals 144 in², and one square inch equals 0.006944 ft².
Square Feet to Square Inches table
About converting Square Feet to Square Inches
Square Feet (ft²) and Square Inches (in²) are both units of area. The exact factor is 1 ft² = 144 in², so multiply by 144 to go from square feet to square inches (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Square Inches to Square Feet converter, or the full unit converter for every unit at once.
Frequently asked questions
How many square inches are in one square foot?
One square foot equals 144 square inches.
How do I convert square feet to square inches?
Multiply the number of square feet by 144. For example, 10 square feet = 1,440 square inches.
What is 5 square feet in square inches?
5 square feet is 720 square inches.