Convert US fluid ounces per hour to US gallons per day
Convert US fluid ounces per hour (fl oz/h) to US gallons per day (gpd) instantly and accurately.
Conversion Formula
gpd = fl oz/h × 0.1875
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.
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
| US fluid ounces per hour (fl oz/h) | US gallons per day (gpd) |
|---|---|
| 1 fl oz/h | 0.1875 gpd |
| 2 fl oz/h | 0.375 gpd |
| 5 fl oz/h | 0.9375 gpd |
| 10 fl oz/h | 1.875 gpd |
| 25 fl oz/h | 4.6875 gpd |
| 50 fl oz/h | 9.375 gpd |
| 100 fl oz/h | 18.75 gpd |