Convert UK gallons per minute to Cubic metres per minute
Convert UK gallons per minute (gpm) to Cubic metres per minute (m³/min) instantly and accurately.
Conversion Formula
m³/min = gpm × 0.00454609
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.
About Cubic metres per minute
The cubic metre per minute (m³/min) equals 1/60 m³/s ≈ 1.667×10⁻² m³/s, used in large compressor and blower specifications, tunnel ventilation design, and industrial air-handling. A mine-ventilation fan may move 1 000-5 000 m³/min; an industrial rotary-screw compressor delivers 5-50 m³/min of free air. 1 m³/min = 1 000 L/min ≈ 35.31 ft³/min ≈ 264.2 US gal/min.
Quick Reference Table
| UK gallons per minute (gpm) | Cubic metres per minute (m³/min) |
|---|---|
| 1 gpm | 0.00454609 m³/min |
| 2 gpm | 0.00909218 m³/min |
| 5 gpm | 0.0227304 m³/min |
| 10 gpm | 0.0454609 m³/min |
| 25 gpm | 0.113652 m³/min |
| 50 gpm | 0.227304 m³/min |
| 100 gpm | 0.454609 m³/min |