Convert Square millimetres per second to Square decimetres per second
Convert Square millimetres per second (mm²/s) to Square decimetres per second (dm²/s) instantly and accurately.
Conversion Formula
dm²/s = mm²/s × 1.000000000e-4
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.
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.
Quick Reference Table
| Square millimetres per second (mm²/s) | Square decimetres per second (dm²/s) |
|---|---|
| 1 mm²/s | 1 × 10-4 dm²/s |
| 2 mm²/s | 0.0002 dm²/s |
| 5 mm²/s | 0.0005 dm²/s |
| 10 mm²/s | 0.001 dm²/s |
| 25 mm²/s | 0.0025 dm²/s |
| 50 mm²/s | 0.005 dm²/s |
| 100 mm²/s | 0.01 dm²/s |