Convert square feet to square inches
Select how many decimal places the result will be rounded to:
How to convert square feet to square inches
To convert square feet to square inches, multiply a square feet value by 144.
Formula in² = ft² × 144
Example: Convert 5 square feet to square inches Calculations: 5 ft² × 144 = 720 in²
Square foot (ft²)
The square foot is an imperial and US customary systems unit of area, defined as the area of a square with sides of 1 foot. It is approximately equal to 0.0929 square meters.
Square inch (in²)
The square inch is an imperial and US customary systems unit of area, defined as the area of a square with sides of 1 inch. It is approximately equal to 0.000645 square meters.
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