Convert square inches to square feet
1 in² = 0.00694444 ft². Change the amount below, or read the formula and the reference table further down.
1 square inch equals
square feet
1 in² = 0.00694444 ft²
The formula
Square inches and square feet both measure area from the same zero, so a single multiplier does the job.
ft² = in² × 0.0069444444
Going the other way? Convert square feet to square inches.
Square inches to square feet table
Common values, rounded for reading.
| Square inches (in²) | Square feet (ft²) |
|---|---|
| 1 | 0.006944 |
| 2 | 0.013889 |
| 3 | 0.020833 |
| 4 | 0.027778 |
| 5 | 0.034722 |
| 6 | 0.041667 |
| 7 | 0.048611 |
| 8 | 0.055556 |
| 9 | 0.0625 |
| 10 | 0.069444 |
| 15 | 0.104167 |
| 20 | 0.138889 |
| 25 | 0.173611 |
| 30 | 0.208333 |
| 40 | 0.277778 |
| 50 | 0.347222 |
| 75 | 0.520833 |
| 100 | 0.694444 |
| 250 | 1.7361 |
| 500 | 3.4722 |
| 1,000 | 6.9444 |
Questions people ask
- How many square feet are in a square inch?
- One square inch equals 0.0069444444 square feet.
- How do I convert square inches to square feet by hand?
- Multiply the number of square inches by 0.0069444444. For a rough check, 0.007 is close enough for most everyday use.
- What is 1 square inch in square feet?
- 1 square inch is 0.00694444 square feet.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.