Convert Kilograms per square metre per second to Pounds per square foot per minute
Convert Kilograms per square metre per second (kg/(m²·s)) to Pounds per square foot per minute (lb/(ft²·min)) instantly and accurately.
Conversion Formula
lb/(ft²·min) = kg/(m²·s) × 12.28896862
About Kilograms per square metre per second
The kilogram per square metre per second (kg/(m²·s)) is the SI coherent unit of mass flux density, equal to 1 kg·m⁻²·s⁻¹. It appears directly in the continuity equation (ṁ = ρv) and in Stefan's law for evaporation. Rocket nozzle throat mass flux can reach 500-2000 kg/(m²·s); convective heat exchangers: 100-500 kg/(m²·s). 1 kg/(m²·s) = 1 000 g/(m²·s).
About Pounds per square foot per minute
The pound per square foot per minute (lb/(ft²·min)) equals 0.45359237/(0.09290304 × 60) ≈ 0.08137 kg/(m²·s). It appears in US filtration and membrane technology standards, where filter-press and belt-press dewatering rates are stated per square foot per minute. 1 lb/(ft²·min) ≈ 81.37 g/(m²·s).
Quick Reference Table
| Kilograms per square metre per second (kg/(m²·s)) | Pounds per square foot per minute (lb/(ft²·min)) |
|---|---|
| 1 kg/(m²·s) | 12.289 lb/(ft²·min) |
| 2 kg/(m²·s) | 24.5779 lb/(ft²·min) |
| 5 kg/(m²·s) | 61.4448 lb/(ft²·min) |
| 10 kg/(m²·s) | 122.89 lb/(ft²·min) |
| 25 kg/(m²·s) | 307.224 lb/(ft²·min) |
| 50 kg/(m²·s) | 614.448 lb/(ft²·min) |
| 100 kg/(m²·s) | 1228.9 lb/(ft²·min) |