Convert square millimeter to square meter
1 mm² = 0.000001 m²
1 mm² = 0.000001 m²
1 mm² in every area unit
| microbarn | 1.0000e+28 μb |
| millibarn | 1.0000e+25 mb |
| barn | 1.0000e+22 b |
| square nanometer | 1,000,000,000,000 nm² |
| square micrometer | 1,000,000 μm² |
| circular mil | 1,973.5 cmil |
| thousand circular mils | 1.9735 kcmil |
| square millimeter | 1 mm² |
| square centimeter | 0.01 cm² |
| square inch | 0.00155 in² |
| square decimeter | 0.0001 dm² |
| square foot | 0.000010764 ft² |
| square yard | 0.000001196 yd² |
| square meter | 0.000001 m² |
| tsubo | 3.0250e-07 tsubo |
| square rod | 3.9537e-08 rd² |
| are | 1.0000e-08 a |
| square chain | 2.4711e-09 ch² |
| dunam | 1.0000e-09 dunam |
| rood | 9.8842e-10 rood |
| acre | 2.4711e-10 ac |
| hectare | 1.0000e-10 ha |
| square kilometer | 1.0000e-12 km² |
| square mile | 3.8610e-13 mi² |
How the conversion works
Multiply by 0.000001 to go from square millimeter to square meter, or divide by it to go back. Every conversion on this site routes through the SI value (m²) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? square meter to square millimeter — 1 m² = 1,000,000 mm².
square millimeter to square meter — common values
| 1 mm² | 0.000001 m² |
| 2 mm² | 0.000002 m² |
| 3 mm² | 0.000003 m² |
| 5 mm² | 0.000005 m² |
| 10 mm² | 0.00001 m² |
| 15 mm² | 0.000015 m² |
| 20 mm² | 0.00002 m² |
| 25 mm² | 0.000025 m² |
| 50 mm² | 0.00005 m² |
| 75 mm² | 0.000075 m² |
| 100 mm² | 0.0001 m² |
| 250 mm² | 0.00025 m² |
| 500 mm² | 0.0005 m² |
| 1000 mm² | 0.001 m² |