EngiRef / Area conversion
Convert Square Inches to Square Foots (in² to ft²)
1 in² = 0.00694444444 ft². Convert square inches to square foots with the exact factor, a common-values table and a free converter.
Conversion factor
ft² = in² × 0.00694444444
1 in² = 0.00694444444 ft²
Multiply by 0.00694444444 ft² to go from square inches to square foots, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
in² to ft² table
| Square Inches (in²) | Square Foots (ft²) |
|---|---|
| 1 in² | 0.00694444444 ft² |
| 2 in² | 0.0138888889 ft² |
| 5 in² | 0.0347222222 ft² |
| 10 in² | 0.0694444444 ft² |
| 20 in² | 0.138888889 ft² |
| 50 in² | 0.347222222 ft² |
| 100 in² | 0.694444444 ft² |
Every figure is computed at build time by the site’s own converter from the area unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many square foots are in one square inch?
One square inch is 0.00694444444 ft², so 100 in² is 0.694444444 ft².
What is the formula to convert square inches to square foots?
ft² = in² × 0.00694444444. Multiply the value in square inches by 0.00694444444 to get square foots.
How do I convert square foots back to square inches?
in² = ft² × 144, so 1 ft² is 144 in². The ft² to in² page carries the same table in that direction.