Convert square inches (in²) to square feet (ft²) with formulas, examples, and conversion tables.
To convert 1 square inches to square feet, we divide by 144 because one square foot equals exactly 144 square inches.
Since there are 144 square inches in every square foot, we divide our value by this factor:
So 1 square inches = 0.0069 square feet.
To convert square inches to square feet, divide the value by 144.
1 square foot = 144 square inches
| Square Inches | Square Feet |
|---|---|
| 1 in² | 0.0069 ft² |
| 2 in² | 0.0139 ft² |
| 5 in² | 0.0347 ft² |
| 10 in² | 0.0694 ft² |
| 20 in² | 0.1389 ft² |
| 25 in² | 0.1736 ft² |
| 50 in² | 0.3472 ft² |
| 100 in² | 0.6944 ft² |
| 250 in² | 1.7361 ft² |
| 500 in² | 3.4722 ft² |
| 1000 in² | 6.9444 ft² |
| Unit | 1 in² = |
|---|---|
| Square Inches to Square Kilometers | 6.45e-10 km² |
| Square Inches to Hectares | 6.45e-8 ha |
| Square Inches to Square Meters | 0.000645 m² |
| Square Inches to Square Centimeters | 6.4516 cm² |
| Square Inches to Square Millimeters | 645.16 mm² |
| Square Inches to Square Miles | 2.49e-10 mi² |
| Square Inches to Acres | 1.59e-7 ac |
| Square Inches to Square Yards | 0.000772 yd² |
| Square Inches to Square Feet | 0.006944 ft² |
| Square Inches to Ares | 0.000006 a |
| Square Inches to Barns | 6.45e+24 b |