Square Feet to Square Inches Conversion

ft² to in² table

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?

There are 144 square inches in a square foot. 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.

square feet to square inches formula

in² = ft² * 144

1 Square Foot = 144 Square Inches

What is Square Foot?

Square foot is an imperial and US Customary area unit. 1 ft2 = 144 in2. The symbol is "ft²".

You may also use area conversion to convert all area units.

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.