Convert US fluid ounces per minute to UK gallons per minute

Convert US fluid ounces per minute (fl oz/min) to UK gallons per minute (gpm) instantly and accurately.

US fluid ounces per minute (fl oz/min)
UK gallons per minute (gpm)

Conversion Formula

gpm = fl oz/min × 0.006505267067

About US fluid ounces per minute

The US fluid ounce per minute (fl oz/min) equals 3.785411784×10⁻³/128/60 ≈ 4.929×10⁻⁷ m³/s. It is found in US consumer-product flow specifications such as showerhead flow ratings, beverage dispenser settings, and fuel-injector bench tests in US automotive workshops. A showerhead rated at 48 fl oz/min delivers exactly 1.5 US gal/min. 1 fl oz/min ≈ 4.929×10⁻⁷ m³/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

US fluid ounces per minute (fl oz/min)UK gallons per minute (gpm)
1 fl oz/min0.00650527 gpm
2 fl oz/min0.0130105 gpm
5 fl oz/min0.0325263 gpm
10 fl oz/min0.0650527 gpm
25 fl oz/min0.162632 gpm
50 fl oz/min0.325263 gpm
100 fl oz/min0.650527 gpm

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