Convert US gallons per day to UK pints per hour
Convert US gallons per day (gpd) to UK pints per hour (pt/h) instantly and accurately.
Conversion Formula
pt/h = gpd × 0.2775580615
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.
About UK pints per hour
The UK pint per hour (pt/h) equals 4.54609×10⁻³/8/3600 ≈ 1.578×10⁻⁷ m³/s, used in British slow-infusion clinical records and historical dairy milk-flow measurements before metrication. An IV drip set at 100 mL/h equals ≈176 UK fl oz/h ≈ 8.8 UK pt/h. 1 UK pt/h ≈ 1.578×10⁻⁷ m³/s.
Quick Reference Table
| US gallons per day (gpd) | UK pints per hour (pt/h) |
|---|---|
| 1 gpd | 0.277558 pt/h |
| 2 gpd | 0.555116 pt/h |
| 5 gpd | 1.38779 pt/h |
| 10 gpd | 2.77558 pt/h |
| 25 gpd | 6.93895 pt/h |
| 50 gpd | 13.8779 pt/h |
| 100 gpd | 27.7558 pt/h |