Convert Pounds per square inch per second to Kilograms per square metre per second
Convert Pounds per square inch per second (lb/(in²·s)) to Kilograms per square metre per second (kg/(m²·s)) instantly and accurately.
Conversion Formula
kg/(m²·s) = lb/(in²·s) × 703.0695796
About Pounds per square inch per second
The pound per square inch per second (lb/(in²·s)) equals 0.45359237/(0.0254 × 0.0254) ≈ 703.07 kg/(m²·s). It is used in US firearms ballistics, shaped-charge and explosives engineering, and hydraulic press analysis where forces per square inch dominate the unit system. 1 lb/(in²·s) ≈ 703.07 kg/(m²·s) = 144 lb/(ft²·s).
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).
Quick Reference Table
| Pounds per square inch per second (lb/(in²·s)) | Kilograms per square metre per second (kg/(m²·s)) |
|---|---|
| 1 lb/(in²·s) | 703.07 kg/(m²·s) |
| 2 lb/(in²·s) | 1406.14 kg/(m²·s) |
| 5 lb/(in²·s) | 3515.35 kg/(m²·s) |
| 10 lb/(in²·s) | 7030.7 kg/(m²·s) |
| 25 lb/(in²·s) | 17576.7 kg/(m²·s) |
| 50 lb/(in²·s) | 35153.5 kg/(m²·s) |
| 100 lb/(in²·s) | 70307 kg/(m²·s) |