Convert square millimeter to square centimeter
1 mm² = 0.01 cm²
1 mm² = 0.01 cm²
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 0.01 to go from square millimeter to square centimeter, 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 centimeter to square millimeter — 1 cm² = 100 mm².
square millimeter to square centimeter — common values
| 1 mm² | 0.01 cm² |
| 2 mm² | 0.02 cm² |
| 3 mm² | 0.03 cm² |
| 5 mm² | 0.05 cm² |
| 10 mm² | 0.1 cm² |
| 15 mm² | 0.15 cm² |
| 20 mm² | 0.2 cm² |
| 25 mm² | 0.25 cm² |
| 50 mm² | 0.5 cm² |
| 75 mm² | 0.75 cm² |
| 100 mm² | 1 cm² |
| 250 mm² | 2.5 cm² |
| 500 mm² | 5 cm² |
| 1000 mm² | 10 cm² |