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Area Converter — m², cm², hectare, ft², acre
Type a value in any box — every other unit updates instantly.
Type a value in any box — all other units update instantly.
Area Conversion Table
| Unit | Equals |
|---|---|
| 1 square millimeter (mm²) | 1e-06 m² |
| 1 square centimeter (cm²) | 0.0001 m² |
| 1 square meter (m²) (base) | 1 m² |
| 1 hectare (ha) | 10000 m² |
| 1 square kilometer (km²) | 1e+06 m² |
| 1 square inch (in²) | 0.00064516 m² |
| 1 square foot (ft²) | 0.09290304 m² |
| 1 acre | 4046.856422 m² |
| 1 square mile (mi²) | 2.59e+06 m² |
FAQ
How do you convert square millimeter (mm²) to square mile (mi²)?
Multiply the square millimeter (mm²) value by 2.59e+12 to get square mile (mi²). Or use the converter above — type in any box and every unit updates at once.
How many square centimeter (cm²) are in 1 square meter (m²)?
1 square meter (m²) = 10000 square centimeter (cm²).
Is this converter free to use?
Yes. All tools on CalcConvert Tools are free, work in your browser, and require no sign-up.