Convert US quarts per hour to Microlitres per second

Convert US quarts per hour (qt/h) to Microlitres per second (µL/s) instantly and accurately.

US quarts per hour (qt/h)
Microlitres per second (µL/s)

Conversion Formula

µL/s = qt/h × 262.8758183

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 Microlitres per second

The microlitre per second (µL/s) equals 10⁻⁹ m³/s, the working range of microfluidic lab-on-a-chip devices and nano-HPLC pumps. Organ-on-a-chip perfusion bioreactors, droplet microfluidic systems, and capillary electrophoresis instruments operate at 0.1-100 µL/s. A syringe pump delivering 0.36 mL/h produces exactly 0.1 µL/s. 1 µL/s = 10⁻⁹ m³/s = 60 µL/min.

Quick Reference Table

US quarts per hour (qt/h)Microlitres per second (µL/s)
1 qt/h262.876 µL/s
2 qt/h525.752 µL/s
5 qt/h1314.38 µL/s
10 qt/h2628.76 µL/s
25 qt/h6571.9 µL/s
50 qt/h13143.8 µL/s
100 qt/h26287.6 µL/s

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