Convert Square millimetres per minute to Square metres per second
Convert Square millimetres per minute (mm²/min) to Square metres per second (m²/s) instantly and accurately.
Conversion Formula
m²/s = mm²/min × 1.666666667e-8
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 metres per second
The square metre per second (m²/s) is the SI unit for thermal diffusivity (α = k / ρc_p). It defines how fast a temperature disturbance propagates through a material. Diamond: ≈5 × 10⁻⁴ m²/s; silver: ≈1.65 × 10⁻⁴ m²/s; aluminium: ≈8.4 × 10⁻⁵ m²/s; iron: ≈1.8 × 10⁻⁵ m²/s; concrete: ≈6 × 10⁻⁷ m²/s; water: ≈1.4 × 10⁻⁷ m²/s. 1 m²/s = 10⁶ mm²/s = 10⁴ cm²/s.
Quick Reference Table
| Square millimetres per minute (mm²/min) | Square metres per second (m²/s) |
|---|---|
| 1 mm²/min | 1.667 × 10-8 m²/s |
| 2 mm²/min | 3.333 × 10-8 m²/s |
| 5 mm²/min | 8.333 × 10-8 m²/s |
| 10 mm²/min | 1.667 × 10-7 m²/s |
| 25 mm²/min | 4.167 × 10-7 m²/s |
| 50 mm²/min | 8.333 × 10-7 m²/s |
| 100 mm²/min | 1.667 × 10-6 m²/s |