Convert square inches to square feet and square feet to square inches instantly. Bidirectional area converter with formula and common values.
To convert square inches to square feet, divide by 144. This reverses the 12 × 12 relationship between inches and feet when applied to area.
| Square Inches | Square Feet |
|---|---|
| 72 | 0.5000 |
| 144 | 1.0000 |
| 288 | 2.0000 |
| 576 | 4.0000 |
| 1,000 | 6.9444 |
| 1,728 | 12.0000 |
| 5,000 | 34.7222 |
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288 square inches equals exactly 2 square feet (288 ÷ 144).
Divide the number of square inches by 144. For example, 288 sq in ÷ 144 = 2 sq ft.
A 3×3 foot area is 9 sq ft, which equals 1,296 square inches (9 × 144).
Screen sizes (by area), paper sizes, fabric swatches, stickers, and small tiles are commonly measured in square inches.