Square Inches - Square Feet Converter


Convert between square inches and square feet (in2 and ft2) using this area conversion tool. This converter is part of the full area converter. Simply choose whether you want to convert square inches to square feet or square feet to square inches, enter a value and click the 'convert' button. Reference charts are available down the page.

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Converting square feet and square inches

Some commonly asked questions are included below, as well as a reference chart. When making manual conversions, you can use the converter at the top of this page to check your answer.

How many square inches are there in 1 square foot?

There are 144 square inches in 1 square foot. To convert from square feet to square inches, multiply your figure by 144 (or divide by 0.0069444444444444) .

How many square feet are there in 1 square inch?

There are 0.0069444444444444 square feet in 1 square inch. To convert from square inches to square feet, multiply your figure by 0.0069444444444444 (or divide by 144) .

In the chart below, figures are rounded to a maximum of 4 decimal places (6 with smaller numbers) to give approximations.

Square Feet and square inches reference chart

Square Feet Square Inches Square Inches Square Feet
0.1 14.4 0.1 0.0007
1 144 1 0.0069
2 288 2 0.0139
3 432 3 0.0208
4 576 4 0.0278
5 720 5 0.0347
6 864 6 0.0417
7 1008 7 0.0486
8 1152 8 0.0556
9 1296 9 0.0625
10 1440 10 0.0694
20 2880 20 0.1389
30 4320 30 0.2083
40 5760 40 0.2778
50 7200 50 0.3472
60 8640 60 0.4167
70 10080 70 0.4861
80 11520 80 0.5556
90 12960 90 0.625
100 14400 100 0.6944

What is a square foot?

The square foot is used as a form of measurement within Canada and the United States. It can be adopted to describe the amount of floor space (for real estate) or the overall size of an exterior property. Architects will also refer to square feet when designing new buildings. One square foot is a bit smaller than an average-sized piece of A4 printer paper. One square foot can be translated to 0.092 square metres. Sometimes, the force of the modern hydraulic press is measured in pounds per square inch or square foot.

What is a square inch?

A square inch is a common unit of measurement within the United States and the United Kingdom. It can be used throughout numerous industries such as construction, graphic design, textiles and painting. Some common abbreviations include sq. in., sq. inches and in/-2. One square inch can approximate the size of many postage stamps. A single square inch is equal to 6.45 square centimeters.

Other individual area converters

Square Feet and Acres, Square Feet and Ares, Square Feet and Cents, Square Feet and Hectares, Square Feet and Square Centimeters, Square Feet and Square Decimeters, Square Feet and Square Dekameters, Square Feet and Square Fathoms, Square Hectometers and Square Feet, Square Inches and Acres, Square Inches and Ares, Square Inches and Cents, Square Inches and Hectares, Square Inches and Square Centimeters, Square Inches and Square Decimeters, Square Inches and Square Dekameters, Square Inches and Square Fathoms, Square Inches and Square Feet, Square Inches and Square Hectometers, Square Kilometers and Square Feet, Square Kilometers and Square Inches, Square Meters and Square Feet, Square Meters and Square Inches, Square Miles and Square Feet, Square Miles and Square Inches, Square Millimeters and Square Feet, Square Millimeters and Square Inches, Square Rods and Square Feet, Square Rods and Square Inches, Square Yards and Square Feet, Square Yards and Square Inches,

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