Convert US gallons per minute to US gallons per day
Convert US gallons per minute (gpm) to US gallons per day (gpd) instantly and accurately.
Conversion Formula
gpd = gpm × 1440
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 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 gallons per minute (gpm) | US gallons per day (gpd) |
|---|---|
| 1 gpm | 1440 gpd |
| 2 gpm | 2880 gpd |
| 5 gpm | 7200 gpd |
| 10 gpm | 14400 gpd |
| 25 gpm | 36000 gpd |
| 50 gpm | 72000 gpd |
| 100 gpm | 144000 gpd |