

Convert Square Inches to Square Feet (sq in to sq ft) ▶ Conversion Table
How to convert1 square foot (sq ft) = 144 square inch (sq in). Square Foot (sq ft) is a unit of Area used in Standard system. Square Inch (sq in) is a unit of Area used in Standard system. Square Foot: A Unit of AreaDefinition of the Square FootA square foot is a unit of area that measures the size of a surface. It is defined as the area of a square whose sides are one foot long. A square foot is equal to 144 square inches, 0.092903 square meters, or 0.0000229568 acres. It is also a common unit of area in the United States customary system and the imperial system. How to Convert Square Foot to Other UnitsTo convert a square foot to other units of area, we need to multiply or divide by a conversion factor. A conversion factor is a number that relates two units of measurement. For example, to convert a square foot to a square meter, we need to multiply by 0.092903, which is the conversion factor between these two units. Here are some common conversion factors for square foot and other units of area:
Where Square Foot is UsedThe square foot is widely used in the United States, the United Kingdom, and some other countries as a standard unit of area measurement. It is used for various purposes, such as measuring the size of rooms, buildings, floors, walls, roofs, carpets, tiles, and more. Different countries may have different preferences or regulations for using the square foot or other units of area in different applications. Here are some examples:
History of Square FootThe concept of measuring area by using squares dates back to ancient times. The ancient Egyptians, Babylonians, Greeks, and Romans all used different units of area based on squares with different side lengths. For example, the ancient Egyptians used a unit called setat, which was equal to a square with sides of 100 cubits (about 52 meters). The ancient Greeks used a unit called plethron, which was equal to a square with sides of 100 feet (about 30 meters). The ancient Romans used a unit called iugerum, which was equal to a square with sides of 120 feet (about 35 meters). The modern definition of the square foot was established in the late 18th century by the British Parliament as part of the imperial system. The imperial system was designed to create a uniform and consistent system of measurement based on traditional units that were widely used in Britain and its colonies. The original definition of the foot was derived from an iron rod that was kept in London as a standard measure. The original definition of the square foot was then derived from this definition as the area of a square whose sides are one foot long. The definition of the foot has been revised several times over the years to improve its accuracy and precision. The current definition of the foot was adopted in 1959 by an international agreement as “the length equal to 0.3048 meter exactly”. The current definition of the square foot is then derived from this definition as before. Example Conversions of Square Foot to Other UnitsHere are some examples of converting a given area in square feet to other units:
Square Inch: A Unit of AreaA square inch is a unit of area measurement of a space. It is equal to the area of a square with sides of one inch in length. The symbol for square inch is in2. Definition of the Square InchThe square inch is defined as the area of a square that has a side length of 1 inch. This is equivalent to 0.00064516 square meter, or 6.4516 square centimeter, or 0.00000003937 square mile. The square inch is not an official unit in the International System of Units (SI), but it is commonly used in the United States and the United Kingdom. It is also a customary unit in some other countries that use the imperial or US customary system of measurement. History of the Square InchThe square inch was derived from the inch, which was originally based on the length of three barleycorns laid end to end. The inch was first standardized by King Edward II of England in 1324, who defined it as equal to three grains of barley, dry and round, placed end to end lengthwise. The square inch was used as a unit of area for measuring land, buildings, and other objects. It was also used as a unit of pressure, such as pounds per square inch (psi), which is still widely used today. The square inch was gradually replaced by the metric units of area, such as the square meter and the square centimeter, in most countries that adopted the metric system. However, it is still widely used in some fields and applications, such as engineering, carpentry, printing, and clothing. How to Convert Square Inch to Other UnitsTo convert a square inch to other units of area, we can use the following conversion factors:
To convert from other units to a square inch, we can use the inverse of these conversion factors. For example, to convert 50 square centimeters to square inches, we can use: 50 square centimeters x (0.155000310 in2 / 1 cm2) = 7.7500155 in2 Where Square Inch is UsedThe square inch is commonly used in many countries for measuring small areas, especially in engineering, carpentry, printing, and clothing. It is also used as a unit of pressure, such as pounds per square inch (psi). Some examples of uses of the square inch are:
Example Conversions of Square Inch to Other UnitsHere are some example conversions of a square inch to other units:
Español Russian Français 
Square Feet to Acres Square Feet to Square Centimeters Square Feet to Square Decimeters Square Feet to Square Inches Square Feet to Square Meters Square Feet to Square Yards Square Inches to Square Centimeters Square Inches to Square Decimeters Square Inches to Square Feet Square Inches to Square Meters Square Inches to Square Millimeters Square Inches to Square Yards Square Decimeters to Square Feet Square Decimeters to Square Inches Square Feet to Square Decimeters Square Feet to Square Meters Square Inches to Square Decimeters Square Inches to Square Millimeters Square Inches to Square Yards Square Kilometers to Square Miles Square Meters to Square Feet Square Meters to Square Yards Square Miles to Square Kilometers Square Millimeters to Square Inches Square Yards to Square Inches Square Yards to Square Meters 
About Us Contact Terms of Service 