Convert square inches to square feet

Explanation

From this page you can convert square inches to square feet (or sq in to sq ft) simply, by using the application above.

In case you are wondering, to convert from square inches to square feet you need to multiply by 0.006944. This factor is calculated using the respective definitions of the two units you can find below.

Formula

1 sq in≈0.006944 sq ft

square inchessq in

dimension	area
symbol	sq in, in²
search alias	in2, sqin

The square inch (sq in, in²) is a derived unit of area in the international mass and length units.

Definition of the square inch

One square inch is the superficial area equivalent to that of a square each side of which measures one inch.

Value

One square inch is equal to ¹⁄₁₄₄ of a square foot.

From the Weights and Measures Act of 1985: PART VI: Measurement of area

Value in terms of the SI

One square inch is equivalent to 645.16 square millimeters.

International area units

square inch	sq in
square foot	sq ft	144 square inches
square yard	sq yd	9 square feet
square mile	sq mi	3 097 600 square yards

The International Mass and Length Units

The International Mass and Length Units are units based on the international yard and the international pound.

They were created in 1959 when Australia, Canada, New Zealand, South Africa, the United Kingdom and the United States of America agreed upon a common definition of the yard and the pound.

square feetsq ft

dimension	area
symbol	sq ft, ft²
search alias	ft2, sqft

The square foot (sq ft, ft²) is a derived unit of area in the international mass and length units.

The unit is mainly used in real estate in the United States. In the rest of the world the square meter is used instead.

Definition of the square foot

One square foot is equal to ¹⁄₉ square yard.

From the Weights and Measures Act of 1985: PART VI: Measurement of area

Value in terms of the SI

One square foot is equivalent to 929.0304 square centimeters.

Equivalences

One square foot is also equivalent to:

144 square inches

Some Facts

The White House has 55 000 square feet of floor space, 5% less than the total area of an American football field.

International area units

square inch	sq in
square foot	sq ft	144 square inches
square yard	sq yd	9 square feet
square mile	sq mi	3 097 600 square yards

The International Mass and Length Units

The International Mass and Length Units are units based on the international yard and the international pound.

They were created in 1959 when Australia, Canada, New Zealand, South Africa, the United Kingdom and the United States of America agreed upon a common definition of the yard and the pound.