›› Convert square inch to square foot


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›› More information from the unit converter

How many square inch in 1 square foot? The answer is 144.
We assume you are converting between square inch and square foot.
You can view more details on each measurement unit:
square inch or square foot
The SI derived unit for area is the square meter.
1 square meter is equal to 1550.0031000062 square inch, or 10.76391041671 square foot.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between square inches and square feet.
Type in your own numbers in the form to convert the units!


›› Quick conversion chart of square inch to square foot

1 square inch to square foot = 0.00694 square foot

10 square inch to square foot = 0.06944 square foot

50 square inch to square foot = 0.34722 square foot

100 square inch to square foot = 0.69444 square foot

200 square inch to square foot = 1.38889 square foot

500 square inch to square foot = 3.47222 square foot

1000 square inch to square foot = 6.94444 square foot


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›› Definition: Square inch

A square inch is by definition the area enclosed by a square with sides each 1 inch long.


›› Definition: Square foot

A square foot is by definition the area enclosed by a square with sides each 1 foot long. One square foot is equal to 0.09290304 square metres for the international, English foot.


›› Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!