Convert Litres per minute to US quarts per hour

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

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

Conversion Formula

qt/h = L/min × 63.40129257

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.

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.

Quick Reference Table

Litres per minute (L/min)US quarts per hour (qt/h)
1 L/min63.4013 qt/h
2 L/min126.803 qt/h
5 L/min317.006 qt/h
10 L/min634.013 qt/h
25 L/min1585.03 qt/h
50 L/min3170.06 qt/h
100 L/min6340.13 qt/h

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