Convert US quarts per hour to Litres per hour

Convert US quarts per hour (qt/h) to Litres per hour (L/h) instantly and accurately.

US quarts per hour (qt/h)
Litres per hour (L/h)

Conversion Formula

L/h = qt/h × 0.946352946

About US quarts per hour

The US quart per hour (qt/h) equals 3.785411784×10⁻³/4/3600 ≈ 2.629×10⁻⁷ m³/s, used in US agricultural irrigation drippers (emitters rated in qt/h) and hobby aquaculture systems. A drip emitter rated 1 qt/h ≈ 0.946 L/h is a common size for garden irrigation in the US market. 1 US qt/h ≈ 2.629×10⁻⁷ m³/s.

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 quarts per hour (qt/h)Litres per hour (L/h)
1 qt/h0.946353 L/h
2 qt/h1.89271 L/h
5 qt/h4.73176 L/h
10 qt/h9.46353 L/h
25 qt/h23.6588 L/h
50 qt/h47.3176 L/h
100 qt/h94.6353 L/h

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