Convert Pounds per square inch per second to Pounds per square foot per second
Convert Pounds per square inch per second (lb/(in²·s)) to Pounds per square foot per second (lb/(ft²·s)) instantly and accurately.
Conversion Formula
lb/(ft²·s) = lb/(in²·s) × 144
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 Pounds per square foot per second
The pound per square foot per second (lb/(ft²·s)) equals 0.45359237/0.09290304 ≈ 4.882 kg/(m²·s). It is the coherent FPS mass flux unit, used in US aerospace for rocket motor mass flux, ballistic studies, and hypervelocity heat-shield ablation rate specifications. 1 lb/(ft²·s) ≈ 4.882 kg/(m²·s).
Quick Reference Table
| Pounds per square inch per second (lb/(in²·s)) | Pounds per square foot per second (lb/(ft²·s)) |
|---|---|
| 1 lb/(in²·s) | 144 lb/(ft²·s) |
| 2 lb/(in²·s) | 288 lb/(ft²·s) |
| 5 lb/(in²·s) | 720 lb/(ft²·s) |
| 10 lb/(in²·s) | 1440 lb/(ft²·s) |
| 25 lb/(in²·s) | 3600 lb/(ft²·s) |
| 50 lb/(in²·s) | 7200 lb/(ft²·s) |
| 100 lb/(in²·s) | 14400 lb/(ft²·s) |