Convert US gallons per hour to Litres per hour
Convert US gallons per hour (gph) to Litres per hour (L/h) instantly and accurately.
Conversion Formula
L/h = gph × 3.785411784
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 Litres per hour
The litre per hour (L/h) equals 10⁻³/3600 ≈ 2.778×10⁻⁷ m³/s, widely used in automotive fuel consumption (L/h), irrigation drip systems, and small pump specifications. A fuel cell vehicle running on hydrogen consumes ±2 L/h of liquid equivalent; a domestic water softener regeneration cycle uses 40-100 L/h of brine. 1 L/h ≈ 2.778×10⁻⁷ m³/s ≈ 0.2642 US gal/h.
Quick Reference Table
| US gallons per hour (gph) | Litres per hour (L/h) |
|---|---|
| 1 gph | 3.78541 L/h |
| 2 gph | 7.57082 L/h |
| 5 gph | 18.9271 L/h |
| 10 gph | 37.8541 L/h |
| 25 gph | 94.6353 L/h |
| 50 gph | 189.271 L/h |
| 100 gph | 378.541 L/h |