Convert Cubic feet per minute to UK gallons per minute
Convert Cubic feet per minute (ft³/min) to UK gallons per minute (gpm) instantly and accurately.
Conversion Formula
gpm = ft³/min × 6.228835459
About Cubic feet per minute
The cubic foot per minute (cfm or ft³/min) equals 0.028316846592/60 ≈ 4.719×10⁻⁴ m³/s, the dominant unit for ventilation, HVAC airflow, and compressed-air system design in the US. ASHRAE ventilation standards, building-code fresh-air requirements, and dust-collector capacity are all stated in cfm. A residential HVAC system moves 800-1 200 cfm; an industrial dust collector handles 2 000-20 000 cfm. 1 cfm ≈ 0.4719 L/s.
About UK gallons per minute
The UK (imperial) gallon per minute (gpm) equals 4.54609×10⁻³/60 ≈ 7.577×10⁻⁵ m³/s, historically used in British plumbing design, pump curves, and water-treatment plant sizing. Pre-metric UK water-industry capacity tables and pump manufacturers quoted flows in UK gal/min; legacy British Standard BS EN pump curves often show both units. 1 UK gpm ≈ 7.577×10⁻⁵ m³/s ≈ 4.546 L/min.
Quick Reference Table
| Cubic feet per minute (ft³/min) | UK gallons per minute (gpm) |
|---|---|
| 1 ft³/min | 6.22884 gpm |
| 2 ft³/min | 12.4577 gpm |
| 5 ft³/min | 31.1442 gpm |
| 10 ft³/min | 62.2884 gpm |
| 25 ft³/min | 155.721 gpm |
| 50 ft³/min | 311.442 gpm |
| 100 ft³/min | 622.884 gpm |