mm to m, mm² to m² and area from millimeters

Convert mm to m² by converting both sides to meters, then multiplying.

Convert mm dimensions to square meters.
mm
mm
Result
ExampleResult
1000 mm × 1000 mm1 m²
1200 mm × 1200 mm1.44 m²
500 mm × 2000 mm1 m²

Formula

m² = (mm ÷ 1000) × (mm ÷ 1000).