Area Converter
Instantly convert Area between SI and common engineering units including Square meter (m²), km², cm², mm². No formula lookup required.
Convert
About
Value × conversion factor to SI base (temperature uses affine offset), then restored to target unit.
Bidirectional conversion with unit swap supported.
How to use
- Enter the value to convert in the Value box.
- Pick the source and target units from the From / To dropdowns.
- Click Convert; the result shows below. Use ⇅ to swap units.
Formula notesUnit conversion (area): 面积：1 m² = 10⁶ mm²，1 ft² ≈ 0.0929 m²。