Convert UK gallons per day to US fluid ounces per hour

Convert UK gallons per day (gpd) to US fluid ounces per hour (fl oz/h) instantly and accurately.

UK gallons per day (gpd)
US fluid ounces per hour (fl oz/h)

Conversion Formula

fl oz/h = gpd × 6.405066269

About UK gallons per day

The UK gallon per day (gpd) equals 4.54609×10⁻³/86400 ≈ 5.261×10⁻⁸ m³/s, used in British per-capita water-consumption statistics and pre-metric water-authority regulation. Historic UK Water Acts set minimum supply standards in UK gal/d per household; older UK borehole pump test reports quote sustained yield in UK gal/d. 1 UK gpd ≈ 5.261×10⁻⁸ m³/s.

About US fluid ounces per hour

The US fluid ounce per hour (fl oz/h) equals 3.785411784×10⁻³/128/3600 ≈ 8.215×10⁻⁹ m³/s, used in low-flow medical devices and slow-infusion clinical equipment. A nasal cannula oxygen humidifier delivers humidity at 10-50 fl oz/h of water vapour equivalent; micro-dosing chemical feed pumps for water treatment are calibrated in fl oz/h in US systems. 1 fl oz/h ≈ 8.215×10⁻⁹ m³/s.

Quick Reference Table

UK gallons per day (gpd)US fluid ounces per hour (fl oz/h)
1 gpd6.40507 fl oz/h
2 gpd12.8101 fl oz/h
5 gpd32.0253 fl oz/h
10 gpd64.0507 fl oz/h
25 gpd160.127 fl oz/h
50 gpd320.253 fl oz/h
100 gpd640.507 fl oz/h

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