Convert Grains per minute to Kilograms per hour
Convert Grains per minute (gr/min) to Kilograms per hour (kg/h) instantly and accurately.
Conversion Formula
kg/h = gr/min × 0.0038879346
About Grains per minute
The grain per minute (gr/min) equals 6.479891×10⁻⁵/60 ≈ 1.080×10⁻⁶ kg/s. This unit appears in HVAC humidity engineering: moisture added or removed from conditioned air is traditionally expressed in grains of water per pound of dry air per minute in US practice. A whole-house humidifier may evaporate 300-600 gr/min at design load. 1 gr/min ≈ 1.080×10⁻⁶ 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
| Grains per minute (gr/min) | Kilograms per hour (kg/h) |
|---|---|
| 1 gr/min | 0.00388793 kg/h |
| 2 gr/min | 0.00777587 kg/h |
| 5 gr/min | 0.0194397 kg/h |
| 10 gr/min | 0.0388793 kg/h |
| 25 gr/min | 0.0971984 kg/h |
| 50 gr/min | 0.194397 kg/h |
| 100 gr/min | 0.388793 kg/h |