Convert Pounds per minute to Long tons per second
Convert Pounds per minute (lb/min) to Long tons per second (long ton/s) instantly and accurately.
Conversion Formula
long ton/s = lb/min × 7.440476190e-6
About Pounds per minute
The pound per minute (lb/min) equals 0.45359237/60 ≈ 7.560×10⁻³ kg/s, the standard unit for US fire-suppression system design (sprinkler flow demand) and HVAC hydronic loop balancing. A fire-sprinkler head at 15 psi discharges roughly 30-40 lb/min of water; industrial humidifiers are rated in lb/min of steam. 1 lb/min ≈ 7.560×10⁻³ kg/s = 60 lb/h.
About Long tons per second
The long ton per second (long ton/s) equals 1 016.0469088 kg/s, based on the UK long ton of 2 240 lb used historically in British heavy industry and naval engineering. It quantifies extremely high discharge rates such as large dam break surges or catastrophic industrial spillages. 1 long ton/s = 1 016.0469088 kg/s ≈ 1.016 t/s ≈ 1.120 short ton/s.
Quick Reference Table
| Pounds per minute (lb/min) | Long tons per second (long ton/s) |
|---|---|
| 1 lb/min | 7.44 × 10-6 long ton/s |
| 2 lb/min | 1.488 × 10-5 long ton/s |
| 5 lb/min | 3.72 × 10-5 long ton/s |
| 10 lb/min | 7.44 × 10-5 long ton/s |
| 25 lb/min | 0.000186012 long ton/s |
| 50 lb/min | 0.000372024 long ton/s |
| 100 lb/min | 0.000744048 long ton/s |