Convert Square centimetres per hour to Square metres per second
Convert Square centimetres per hour (cm²/h) to Square metres per second (m²/s) instantly and accurately.
Conversion Formula
m²/s = cm²/h × 2.777777778e-8
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.
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 centimetres per hour (cm²/h) | Square metres per second (m²/s) |
|---|---|
| 1 cm²/h | 2.778 × 10-8 m²/s |
| 2 cm²/h | 5.556 × 10-8 m²/s |
| 5 cm²/h | 1.389 × 10-7 m²/s |
| 10 cm²/h | 2.778 × 10-7 m²/s |
| 25 cm²/h | 6.944 × 10-7 m²/s |
| 50 cm²/h | 1.389 × 10-6 m²/s |
| 100 cm²/h | 2.778 × 10-6 m²/s |