Convert Square millimetres per minute to Square centimetres per hour
Convert Square millimetres per minute (mm²/min) to Square centimetres per hour (cm²/h) instantly and accurately.
Conversion Formula
cm²/h = mm²/min × 0.6
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 centimetres per hour
The square centimetre per hour (cm²/h) equals 1/36 000 000 m²/s. Environmental geophysicists use cm²/h when measuring heat flow in sedimentary rock columns or permafrost layers. Granite has a diffusivity of ≈36 cm²/h; dry sand ≈9 cm²/h. 1 cm²/h = 1e-4/3600 m²/s ≈ 2.778 × 10⁻⁸ m²/s.
Quick Reference Table
| Square millimetres per minute (mm²/min) | Square centimetres per hour (cm²/h) |
|---|---|
| 1 mm²/min | 0.6 cm²/h |
| 2 mm²/min | 1.2 cm²/h |
| 5 mm²/min | 3 cm²/h |
| 10 mm²/min | 6 cm²/h |
| 25 mm²/min | 15 cm²/h |
| 50 mm²/min | 30 cm²/h |
| 100 mm²/min | 60 cm²/h |