Square Feet to Square Inches Conversion

Quick Lookup (Round: 2). ft² to in²

ft² 1/8 1/4 1/2 3/4 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 60 70 80 90 100
in² 18 36 72 108 144 216 288 360 432 504 576 648 720 792 864 936 1008 1080 1152 1224 1296 1368 1440 1584 1728 1872 2016 2160 2304 2448 2592 2736 2880 3024 3168 3312 3456 3600 3744 3888 4032 4176 4320 4464 4608 4752 4896 5040 5184 5328 5472 5616 5760 5904 6048 6192 6336 6480 6624 6768 6912 7056 7200 8640 10080 11520 12960 14400
Round:
Enter Square Foot
Enter Square Inch
Calculate Area
ft
*
ft

How many square inches in a square foot?

1 Square foot (ft²) is equal to 144 square inches (in²). To convert square feet to square inches, multiply the square foot value by 144.

For example, to find out how many square inches in a square foot and a half, multiply 1.5 by 144, that makes 216 square inches in a square foot and a half.

1 Square Foot = 144 Square Inches

How many square feet in a square inch?

1 Square inch (in²) is equal to 0.00694 square foot (ft²). To convert square inches to square feet, multiply the square inch value by 0.00694 or divide by 144.

1 Square Inch = 0.00694 Square Foot

You may also use this area units conversion calculator to convert between square feet, square inches and all area measurement units.

How to calculate Square Footage?

To calculate an area in square feet, multiply the length by the width in feet.

Area = Length × Width

For example, to calculate an area of a 10x10 room in feet, multiply 10 by 10, that makes 100 square feet. To calculate the same area in square inches, multiply the result by 144. You may also use the square foot calculator above to calculate the area in square feet and convert into square inches by entering the length and the width in foot.

What is Square Foot?

Square foot is an imperial and US Customary area unit and defined as a square with all sides are one foot in length. 1 ft2 = 144 in2. The symbol is "ft²".

What is Square Inch?

Square inch is an imperial and US Customary area unit and defined as a square with all sides are one inch in length. 1 in2 = 0.00694 ft2. The symbol is "in²".

Create Conversion Table
Click "Create Table". Enter a "Start" value (5, 100 etc). Select an "Increment" value (0.01, 5 etc) and select "Accuracy" to round the result.