Convert US quarts per hour to Litres per minute

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

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

Conversion Formula

L/min = qt/h × 0.0157725491

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 minute

The litre per minute (L/min) equals 10⁻³/60 ≈ 1.667×10⁻⁵ m³/s, one of the most common flow units in consumer and light-industrial applications. Household washing machines use 10-15 L/min; oxygen concentrators deliver 1-10 L/min to patients; a standard garden sprinkler head discharges 15-30 L/min. 1 L/min ≈ 1.667×10⁻⁵ m³/s ≈ 0.2642 US gal/min.

Quick Reference Table

US quarts per hour (qt/h)Litres per minute (L/min)
1 qt/h0.0157725 L/min
2 qt/h0.0315451 L/min
5 qt/h0.0788627 L/min
10 qt/h0.157725 L/min
25 qt/h0.394314 L/min
50 qt/h0.788627 L/min
100 qt/h1.57725 L/min

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