Square foot to Square inch (ft² → in²)
Convert square foot to square inch instantly. The conversion factor below is exact by international definition.
Realtime·area·imperial
Exact
ft²
× 144
in²
144
Precision [auto]
6
📐ft² to in² formulaExact
in² = ft² × 144
Inverse: ft² = in² × 0.006944444444
Worked example: 1 ft² = 144 in²
ℹ️About these units
Square foot (ft²)
Real estate in US, UK, India.
Square inch (in²)
📊Reference table: ft² → in²
| Square foot (ft²) | Square inch (in²) |
|---|---|
| 1 | 144 |
| 2 | 288 |
| 5 | 720 |
| 10 | 1,440 |
| 15 | 2,160 |
| 20 | 2,880 |
| 25 | 3,600 |
| 50 | 7,200 |
| 100 | 14,400 |
| 250 | 36,000 |
| 500 | 72,000 |
| 750 | 108,000 |
| 1,000 | 144,000 |
Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.
🔁Reverse & related
🔌API & widget
GET https://convertnavi.com/api/v1/convert?value=10&from=square-foot&to=square-inchEmbed this converter
<div data-convertnavi="square-foot->square-inch"></div>
<script async src="https://convertnavi.com/embed.js"></script>