Calculators can be used to convert measurements from one unit to another

Convert Square Feet to Square Inches

Convert from square feet to square inches with this simple formula:
square inches = square feet × 144
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1 Square Foot = 144 Square Inches

Learn How to Convert Square Feet to Square Inches Using our Conversion Formula

Converting a square foot area measurement to a square inch measurement involves multiplying your area by the conversion ratio to find the result. A square foot is equal to 144 square inches, so to convert simply multiply by 144.

For example, 5sq ft = (5 × 144) = 720sq in.

Learn more on how to find the square footage of your space using our square footage calculator.

Square feet and square inches are both units used to measure area. Learn more about area and find more area measurement conversion calculators. A square foot is an imperial measurement and can be abbreviated as sq ft, for example 1sq ft. A square inch is an imperial measurement and can be abbreviated as sq in, for example 1sq in.

square feet and square inches are units used to measure area
Convert Square Inches to Square Feet

More Area Conversions

Convert to Acres Area
1sq ft is equal to 2.2957E-5 acres
Convert to Square Miles Area
1sq ft is equal to 3.587E-8 square miles
Convert to Square Yards Area
1sq ft is equal to 0.111111 square yards
Convert to Square Kilometers Area
1sq ft is equal to 9.2903E-8 square kilometers
Convert to Square Meters Area
1sq ft is equal to 0.092903 square meters
Convert to Square Centimeters Area
1sq ft is equal to 929.0304 square centimeters
Convert to Square Millimeters Area
1sq ft is equal to 92,903 square millimeters

Square Foot Measurements and Equivalent Square Inch Conversions

Common square foot values converted to the equivalent square inch value
Square Feet Square Inches Square Feet Square Inches Square Feet Square Inches
1 144 21 3,024 41 5,904
2 288 22 3,168 42 6,048
3 432 23 3,312 43 6,192
4 576 24 3,456 44 6,336
5 720 25 3,600 45 6,480
6 864 26 3,744 46 6,624
7 1,008 27 3,888 47 6,768
8 1,152 28 4,032 48 6,912
9 1,296 29 4,176 49 7,056
10 1,440 30 4,320 50 7,200
11 1,584 31 4,464 51 7,344
12 1,728 32 4,608 52 7,488
13 1,872 33 4,752 53 7,632
14 2,016 34 4,896 54 7,776
15 2,160 35 5,040 55 7,920
16 2,304 36 5,184 56 8,064
17 2,448 37 5,328 57 8,208
18 2,592 38 5,472 58 8,352
19 2,736 39 5,616 59 8,496
20 2,880 40 5,760 60 8,640