Convert Square decimetres per second to Square millimetres per second
Convert Square decimetres per second (dm²/s) to Square millimetres per second (mm²/s) instantly and accurately.
Conversion Formula
mm²/s = dm²/s × 10000
About Square decimetres per second
The square decimetre per second (dm²/s) equals exactly 0.01 m²/s, a rarely used but exact-ratio metric unit. It is occasionally encountered in European academic papers on molten metals and liquid semiconductors, where diffusivity values in m²/s are small fractions and dm²/s gives more convenient numeric magnitudes. 1 dm²/s = 1e-2 m²/s = 100 cm²/s.
About Square millimetres per second
The square millimetre per second (mm²/s) equals 1 × 10⁻⁶ m²/s and is the standard unit in materials engineering and the laser-flash diffusivity method (ASTM E1461, ISO 22007-4). Metals span roughly 2-180 mm²/s; polymers 0.07-0.2 mm²/s; ceramics 0.3-10 mm²/s. Numerically identical to the kinematic viscosity unit (cSt) in SI context. 1 mm²/s = 1 × 10⁻⁶ m²/s.
Quick Reference Table
| Square decimetres per second (dm²/s) | Square millimetres per second (mm²/s) |
|---|---|
| 1 dm²/s | 10000 mm²/s |
| 2 dm²/s | 20000 mm²/s |
| 5 dm²/s | 50000 mm²/s |
| 10 dm²/s | 100000 mm²/s |
| 25 dm²/s | 250000 mm²/s |
| 50 dm²/s | 500000 mm²/s |
| 100 dm²/s | 1000000 mm²/s |