Convert US gallons per day to US quarts per second
Convert US gallons per day (gpd) to US quarts per second (qt/s) instantly and accurately.
Conversion Formula
qt/s = gpd × 4.629629630e-5
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 US quarts per second
The US quart per second (qt/s) equals 3.785411784×10⁻³/4 ≈ 9.464×10⁻⁴ m³/s, used in US industrial filling lines handling quart-size containers (motor oil, paint, sauce). A high-speed filling machine loading 1 qt bottles at 4 per second processes 4 qt/s per nozzle. 1 US qt/s ≈ 9.464×10⁻⁴ m³/s = 0.9464 L/s.
Quick Reference Table
| US gallons per day (gpd) | US quarts per second (qt/s) |
|---|---|
| 1 gpd | 4.63 × 10-5 qt/s |
| 2 gpd | 9.259 × 10-5 qt/s |
| 5 gpd | 0.000231481 qt/s |
| 10 gpd | 0.000462963 qt/s |
| 25 gpd | 0.00115741 qt/s |
| 50 gpd | 0.00231481 qt/s |
| 100 gpd | 0.00462963 qt/s |