Convert Square millimetres per minute to Square millimetres per second
Convert Square millimetres per minute (mm²/min) to Square millimetres per second (mm²/s) instantly and accurately.
Conversion Formula
mm²/s = mm²/min × 0.01666666667
About Square millimetres per minute
The square millimetre per minute (mm²/min) equals 1/60 000 000 m²/s. It appears in material testing standards where thermal diffusivity of polymers and composites is measured over minute-scale heating pulses. ASTM and ISO laser-flash methods sometimes report in mm²/min as an intermediate step. 1 mm²/min = 1e-6/60 m²/s ≈ 1.667 × 10⁻¸ 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 millimetres per minute (mm²/min) | Square millimetres per second (mm²/s) |
|---|---|
| 1 mm²/min | 0.0166667 mm²/s |
| 2 mm²/min | 0.0333333 mm²/s |
| 5 mm²/min | 0.0833333 mm²/s |
| 10 mm²/min | 0.166667 mm²/s |
| 25 mm²/min | 0.416667 mm²/s |
| 50 mm²/min | 0.833333 mm²/s |
| 100 mm²/min | 1.66667 mm²/s |