Convert Square Foot (ft²) to Square Inch (in²)
To convert Square Foot to Square Inch, multiply the value by 144. For example, 1 Square Foot = 144 in² and 10 Square Foot = 1,440 in². Both Square Foot and Square Inch are units of Area. Enter any value above for an instant, accurate result.
One Square Foot equals 144 in².
Use the formula: in² = ft² × 144.