Convert UK gallons per minute to Cubic inches per minute
Convert UK gallons per minute (gpm) to Cubic inches per minute (in³/min) instantly and accurately.
Conversion Formula
in³/min = gpm × 277.4194328
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 inches per minute
The cubic inch per minute (in³/min) equals 1.6387064×10⁻⁵/60 ≈ 2.731×10⁻⁷ m³/s, common in US pneumatic and hydraulic circuit design. Air-tool consumption is rated in SCIM (standard cubic inches per minute); small hydraulic cylinders advancing at 10 in/min with 1 in² bore consume 10 in³/min: exactly 0.163 mL/s. 1 in³/min ≈ 2.731×10⁻⁷ m³/s.
Quick Reference Table
| UK gallons per minute (gpm) | Cubic inches per minute (in³/min) |
|---|---|
| 1 gpm | 277.419 in³/min |
| 2 gpm | 554.839 in³/min |
| 5 gpm | 1387.1 in³/min |
| 10 gpm | 2774.19 in³/min |
| 25 gpm | 6935.49 in³/min |
| 50 gpm | 13871 in³/min |
| 100 gpm | 27741.9 in³/min |