Convert UK pints per hour to US gallons per day
Convert UK pints per hour (pt/h) to US gallons per day (gpd) instantly and accurately.
Conversion Formula
gpd = pt/h × 3.602849777
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.
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 pints per hour (pt/h) | US gallons per day (gpd) |
|---|---|
| 1 pt/h | 3.60285 gpd |
| 2 pt/h | 7.2057 gpd |
| 5 pt/h | 18.0142 gpd |
| 10 pt/h | 36.0285 gpd |
| 25 pt/h | 90.0712 gpd |
| 50 pt/h | 180.142 gpd |
| 100 pt/h | 360.285 gpd |