Convert US gallons per hour to US quarts per second
Convert US gallons per hour (gph) to US quarts per second (qt/s) instantly and accurately.
Conversion Formula
qt/s = gph × 0.001111111111
About US gallons per hour
The US gallon per hour (gph) equals 3.785411784×10⁻³/3600 ≈ 1.051×10⁻⁶ m³/s, common in oil-burner nozzle ratings, water-softener regeneration, and RV/marine-plumbing specifications. Residential oil-burner nozzles are rated in gph (e.g., 0.75 gph, 1.00 gph); a small boat bilge pump might handle 200-500 gph. 1 US gph ≈ 1.052×10⁻⁶ m³/s ≈ 3.785 L/h.
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 hour (gph) | US quarts per second (qt/s) |
|---|---|
| 1 gph | 0.00111111 qt/s |
| 2 gph | 0.00222222 qt/s |
| 5 gph | 0.00555556 qt/s |
| 10 gph | 0.0111111 qt/s |
| 25 gph | 0.0277778 qt/s |
| 50 gph | 0.0555556 qt/s |
| 100 gph | 0.111111 qt/s |