Convert Pounds per minute to Long tons per hour
Convert Pounds per minute (lb/min) to Long tons per hour (long ton/h) instantly and accurately.
Conversion Formula
long ton/h = lb/min × 0.02678571429
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 hour
The long ton per hour (long ton/h) equals 1 016.0469088/3600 ≈ 0.28224 kg/s, the traditional British equivalent of t/h still seen in pre-metric UK engineering datasheets and Lloyd's Register vessel capacity tables. An older British colliery might report winding-tower output in long ton/h; historic cement-kiln logs used long ton/h. 1 long ton/h ≈ 0.28224 kg/s ≈ 1.016 t/h.
Quick Reference Table
| Pounds per minute (lb/min) | Long tons per hour (long ton/h) |
|---|---|
| 1 lb/min | 0.0267857 long ton/h |
| 2 lb/min | 0.0535714 long ton/h |
| 5 lb/min | 0.133929 long ton/h |
| 10 lb/min | 0.267857 long ton/h |
| 25 lb/min | 0.669643 long ton/h |
| 50 lb/min | 1.33929 long ton/h |
| 100 lb/min | 2.67857 long ton/h |