Convert Pounds per minute to Kilograms per hour
Convert Pounds per minute (lb/min) to Kilograms per hour (kg/h) instantly and accurately.
Conversion Formula
kg/h = lb/min × 27.2155422
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 Kilograms per hour
The kilogram per hour (kg/h) equals 1/3600 kg/s ≈ 2.778×10⁻⁴ kg/s, the dominant metric unit in the chemical and petrochemical industry for equipment sizing. Distillation column feed rates, reactor throughputs, heat-exchanger duty calculations, and pump datasheets routinely use kg/h. A 500 MW coal-fired power station burns ≈180 000 kg/h of coal. 1 kg/h ≈ 2.778×10⁻⁴ kg/s = 2.205 lb/h.
Quick Reference Table
| Pounds per minute (lb/min) | Kilograms per hour (kg/h) |
|---|---|
| 1 lb/min | 27.2155 kg/h |
| 2 lb/min | 54.4311 kg/h |
| 5 lb/min | 136.078 kg/h |
| 10 lb/min | 272.155 kg/h |
| 25 lb/min | 680.389 kg/h |
| 50 lb/min | 1360.78 kg/h |
| 100 lb/min | 2721.55 kg/h |