Convert Pounds per hour to Kilograms per hour

Convert Pounds per hour (lb/h) to Kilograms per hour (kg/h) instantly and accurately.

Pounds per hour (lb/h)
Kilograms per hour (kg/h)

Conversion Formula

kg/h = lb/h × 0.45359237

About Pounds per hour

The pound per hour (lb/h) equals 0.45359237/3600 ≈ 1.260×10⁻⁴ kg/s, the dominant unit in US process engineering and steam-boiler rating. Packaged steam boilers are rated in lb/h of steam output (typical range 100-2 000 lb/h); HVAC cooling-coil latent loads are calculated in lb/h of moisture; flue-gas emission inventories are reported in lb/h per stack. 1 lb/h ≈ 1.260×10⁻⁴ kg/s.

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 hour (lb/h)Kilograms per hour (kg/h)
1 lb/h0.453592 kg/h
2 lb/h0.907185 kg/h
5 lb/h2.26796 kg/h
10 lb/h4.53592 kg/h
25 lb/h11.3398 kg/h
50 lb/h22.6796 kg/h
100 lb/h45.3592 kg/h

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