Convert Square centimetres per minute to Square millimetres per second
Convert Square centimetres per minute (cm²/min) to Square millimetres per second (mm²/s) instantly and accurately.
Conversion Formula
mm²/s = cm²/min × 1.666666667
About Square centimetres per minute
The square centimetre per minute (cm²/min) equals ≈1.667 × 10⁻⁶ m²/s, a transitional unit seen in older French and Soviet thermal engineering literature. Some food-science papers on heat penetration into frozen products express diffusivity in cm²/min to keep values close to unity. 1 cm²/min = 1e-4/60 m²/s ≈ 1.667 × 10⁻⁶ m²/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 centimetres per minute (cm²/min) | Square millimetres per second (mm²/s) |
|---|---|
| 1 cm²/min | 1.66667 mm²/s |
| 2 cm²/min | 3.33333 mm²/s |
| 5 cm²/min | 8.33333 mm²/s |
| 10 cm²/min | 16.6667 mm²/s |
| 25 cm²/min | 41.6667 mm²/s |
| 50 cm²/min | 83.3333 mm²/s |
| 100 cm²/min | 166.667 mm²/s |