Square Feet to Square Inches Conversion

1 Square foot (ft²) = 144 in²

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
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Enter Length & Width
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ft
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Enter Square Inch

► square inches to square feet

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How many square inches in a square foot?

1 Square foot (ft²) is equal to 144 square inches (in²). 1 Square inch is equal to 0.00694 square foot.

1 Square Foot = 144 Square Inches
1 Square Inch = 0.00694 Square Foot

If you would like to convert from square inches to square feet and also get more information and access the tables please check square inches to square feet converter page.

How to convert from square feet to square inches?

There are 144 square inches in 1 square foot. To convert from square feet to square inches, as a formula multiply the square feet value by 144.

For example, to find out how many square inches there are in a square foot and a half, as a formula to convert from sq. feet to sq. inches, multiply the sq. foot value by 144, that makes 1.5 ft2 * 144 = 216 square inches in 1.5 square feet.

You may also use this area units conversion tool 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 conversion calculator above to calculate the area in both square feet and square inches by entering the length and the width in feet.

What is a 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 Square foot is equal to 144 square inches. The symbol is "ft2".

What is a 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 Square inch (in²) is equal to 0.00694 square feet (ft²). The symbol is "in2".

Create Custom Conversion Table
To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.

Conversion Table

Sq. Foot Sq. Inch Sq. Foot Sq. Inch Sq. Foot Sq. Inch Sq. Foot Sq. Inch
1 144 26 3744 51 7344 76 10944
2 288 27 3888 52 7488 77 11088
3 432 28 4032 53 7632 78 11232
4 576 29 4176 54 7776 79 11376
5 720 30 4320 55 7920 80 11520
6 864 31 4464 56 8064 81 11664
7 1008 32 4608 57 8208 82 11808
8 1152 33 4752 58 8352 83 11952
9 1296 34 4896 59 8496 84 12096
10 1440 35 5040 60 8640 85 12240
11 1584 36 5184 61 8784 86 12384
12 1728 37 5328 62 8928 87 12528
13 1872 38 5472 63 9072 88 12672
14 2016 39 5616 64 9216 89 12816
15 2160 40 5760 65 9360 90 12960
16 2304 41 5904 66 9504 100 14400
17 2448 42 6048 67 9648 125 18000
18 2592 43 6192 68 9792 150 21600
19 2736 44 6336 69 9936 175 25200
20 2880 45 6480 70 10080 200 28800
21 3024 46 6624 71 10224 250 36000
22 3168 47 6768 72 10368 300 43200
23 3312 48 6912 73 10512 500 72000
24 3456 49 7056 74 10656 750 108000
25 3600 50 7200 75 10800 1000 144000

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