Convert square centimeter to square millimeter

1 cm² = 100 mm²

1 cm² = 100 mm²
1 cm² in every area unit
microbarn1.0000e+30 μb
millibarn1.0000e+27 mb
barn1.0000e+24 b
square nanometer100,000,000,000,000 nm²
square micrometer100,000,000 μm²
circular mil197,350 cmil
thousand circular mils197.35 kcmil
square millimeter100 mm²
square centimeter1 cm²
square inch0.155 in²
square decimeter0.01 dm²
square foot0.0010764 ft²
square yard0.0001196 yd²
square meter0.0001 m²
tsubo0.00003025 tsubo
square rod0.0000039537 rd²
are0.000001 a
square chain2.4711e-07 ch²
dunam1.0000e-07 dunam
rood9.8842e-08 rood
acre2.4711e-08 ac
hectare1.0000e-08 ha
square kilometer1.0000e-10 km²
square mile3.8610e-11 mi²
How the conversion works

Multiply by 100 to go from square centimeter to square millimeter, 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 millimeter to square centimeter — 1 mm² = 0.01 cm².

square centimeter to square millimeter — common values
1 cm²100 mm²
2 cm²200 mm²
3 cm²300 mm²
5 cm²500 mm²
10 cm²1,000 mm²
15 cm²1,500 mm²
20 cm²2,000 mm²
25 cm²2,500 mm²
50 cm²5,000 mm²
75 cm²7,500 mm²
100 cm²10,000 mm²
250 cm²25,000 mm²
500 cm²50,000 mm²
1000 cm²100,000 mm²