Convert UK fluid ounces per hour to US gallons per day

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

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

Conversion Formula

gpd = fl oz/h × 0.1801424888

About UK fluid ounces per hour

The UK fluid ounce per hour (fl oz/h) equals 4.54609×10⁻³/160/3600 ≈ 7.892×10⁻⁹ m³/s, used in low-flow British clinical settings and historical laboratory records. IV fluid delivery rates in old UK nursing charts and slow-drip infusion protocols were documented in fl oz/h before metrication. 1 UK fl oz/h ≈ 7.892×10⁻⁹ m³/s.

About US gallons per day

The US gallon per day (gpd) equals 3.785411784×10⁻³/86400 ≈ 4.381×10⁻⁸ m³/s, the standard unit in US water-utility regulation and residential water-well pump sizing. The US national average residential water use is about 80-100 gpd per person; a reverse-osmosis membrane module is rated in gpd (50-100 gpd for domestic units). 1 US gpd ≈ 4.381×10⁻⁸ m³/s.

Quick Reference Table

UK fluid ounces per hour (fl oz/h)US gallons per day (gpd)
1 fl oz/h0.180142 gpd
2 fl oz/h0.360285 gpd
5 fl oz/h0.900712 gpd
10 fl oz/h1.80142 gpd
25 fl oz/h4.50356 gpd
50 fl oz/h9.00712 gpd
100 fl oz/h18.0142 gpd

→ Full Flow Rate (Volumetric) Converter