Convert US gallons per minute to UK pints per hour
Convert US gallons per minute (gpm) to UK pints per hour (pt/h) instantly and accurately.
Conversion Formula
pt/h = gpm × 399.6836086
About US gallons per minute
The US gallon per minute (gpm) equals 3.785411784×10⁻³/60 ≈ 6.309×10⁻⁵ m³/s, the dominant volumetric flow unit in US plumbing, HVAC, and water-treatment industries. EPA showerhead standards are set at 2.5 gpm; residential water meters size at 3/4"-1" for 5-20 gpm; municipal water-distribution design uses hundreds to thousands of gpm. 1 gpm ≈ 6.309×10⁻⁵ m³/s = 3.785 L/min.
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 minute (gpm) | UK pints per hour (pt/h) |
|---|---|
| 1 gpm | 399.684 pt/h |
| 2 gpm | 799.367 pt/h |
| 5 gpm | 1998.42 pt/h |
| 10 gpm | 3996.84 pt/h |
| 25 gpm | 9992.09 pt/h |
| 50 gpm | 19984.2 pt/h |
| 100 gpm | 39968.4 pt/h |