Convert Square metres per hour to Square decimetres per second
Convert Square metres per hour (m²/h) to Square decimetres per second (dm²/s) instantly and accurately.
Conversion Formula
dm²/s = m²/h × 0.02777777778
About Square metres per hour
The square metre per hour (m²/h) equals 1/3600 m²/s ≈2.778 × 10⁻⁴ m²/s, used in large-scale geotechnical and civil engineering analyses. Soil consolidation models and groundwater thermal plume simulations often use m²/h because the full diffusion process unfolds over hours to days. 1 m²/h = 10 000 cm²/h ≈ 2.778 × 10⁻⁴ m²/s.
About Square decimetres per second
The square decimetre per second (dm²/s) equals exactly 0.01 m²/s, a rarely used but exact-ratio metric unit. It is occasionally encountered in European academic papers on molten metals and liquid semiconductors, where diffusivity values in m²/s are small fractions and dm²/s gives more convenient numeric magnitudes. 1 dm²/s = 1e-2 m²/s = 100 cm²/s.
Quick Reference Table
| Square metres per hour (m²/h) | Square decimetres per second (dm²/s) |
|---|---|
| 1 m²/h | 0.0277778 dm²/s |
| 2 m²/h | 0.0555556 dm²/s |
| 5 m²/h | 0.138889 dm²/s |
| 10 m²/h | 0.277778 dm²/s |
| 25 m²/h | 0.694444 dm²/s |
| 50 m²/h | 1.38889 dm²/s |
| 100 m²/h | 2.77778 dm²/s |