Convert UK gallons per hour to Microlitres per hour

Convert UK gallons per hour (gph) to Microlitres per hour (µL/h) instantly and accurately.

UK gallons per hour (gph)
Microlitres per hour (µL/h)

Conversion Formula

µL/h = gph × 4546090

About UK gallons per hour

The UK gallon per hour (gph) equals 4.54609×10⁻³/3600 ≈ 1.263×10⁻⁶ m³/s, found in pre-metric British burner-nozzle ratings, oil-consumption logs for diesel generators, and ship fuel-economy records. British aviation fuel consumption was once published in UK gal/h; legacy Lloyd's Register tanker descriptions used UK gal/h for cargo pump capacities. 1 UK gph ≈ 1.263×10⁻⁶ m³/s.

About Microlitres per hour

The microlitre per hour (µL/h) equals 10⁻⁹/3600 ≈ 2.778×10⁻¹³ m³/s, used in implantable drug-delivery pumps and osmotic mini-pumps for controlled-release pharmacokinetic studies. An Alzet osmotic pump for rodent experiments delivers 0.25-10 µL/h of dissolved drug directly into tissue. 1 µL/h ≈ 2.778×10⁻¹³ m³/s.

Quick Reference Table

UK gallons per hour (gph)Microlitres per hour (µL/h)
1 gph4546090 µL/h
2 gph9092180 µL/h
5 gph22730500 µL/h
10 gph45460900 µL/h
25 gph113652000 µL/h
50 gph227305000 µL/h
100 gph454609000 µL/h

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