Square foot to Square mile (ft² → mi²)
Convert square foot to square mile instantly. The conversion factor below is exact by international definition.
Realtime·area·imperial
Exact
ft²
× 0
mi²
0.00000004
Precision [auto]
6
📐ft² to mi² formulaExact
mi² = ft² × 3.587006e-8
Inverse: ft² = mi² × 2.787840e+7
Worked example: 1 ft² = 3.587006e-8 mi²
ℹ️About these units
Square foot (ft²)
Real estate in US, UK, India.
Square mile (mi²)
📊Reference table: ft² → mi²
| Square foot (ft²) | Square mile (mi²) |
|---|---|
| 1 | 0.00000004 |
| 2 | 0.00000007 |
| 5 | 0.00000018 |
| 10 | 0.00000036 |
| 15 | 0.00000054 |
| 20 | 0.00000072 |
| 25 | 0.0000009 |
| 50 | 0.00000179 |
| 100 | 0.00000359 |
| 250 | 0.00000897 |
| 500 | 0.00001794 |
| 750 | 0.0000269 |
| 1,000 | 0.00003587 |
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-mileEmbed this converter
<div data-convertnavi="square-foot->square-mile"></div>
<script async src="https://convertnavi.com/embed.js"></script>