Convert Square inches to square feet

1 square inch = 0.006944444 square feet · ft² = in² ÷ 144

in²
Square feet
0.006944444ft²

1 square inch = 0.006944444 square feet

When you need this conversion

This conversion goes from square inches, used for small US area measurements, to square feet, the standard US unit for property and flooring. Both measure the same physical quantity, so the conversion is exact — the difference is which unit your source, tool, or region happens to use.

Square inches to square feet conversion table

Conversion table from square inches to square feet
Square inches (in²)Square feet (ft²)
1 in²0.006944444 ft²
2 in²0.013889 ft²
3 in²0.020833 ft²
5 in²0.034722 ft²
10 in²0.069444 ft²
15 in²0.104167 ft²
20 in²0.138889 ft²
25 in²0.173611 ft²
50 in²0.347222 ft²
75 in²0.520833 ft²
100 in²0.694444 ft²
250 in²1.7361 ft²
500 in²3.4722 ft²
1,000 in²6.9444 ft²

The formula

ft² = in² ÷ 144

Because both units measure area, the conversion is a single multiplication by a fixed factor. That factor never changes, so the result is exact.

Convert the other way

Square feet to square inches →

Related area conversions

All area conversions →

Frequently asked questions

How many square feet are in a square inch?
There are 0.006944444 square feet in 1 square inch. The formula is ft² = in² ÷ 144.
How do you convert square inches to square feet?
Use the formula ft² = in² ÷ 144. For example, 10 square inches equals 0.069444 square feet.
Is the square inches to square feet conversion exact?
Yes. Square inches and square feet are both units of area, related by an exact defined factor. Displayed results are rounded for readability.
What is in² short for?
in² is the standard symbol for square inch. ft² is the symbol for square foot.