Volumetric flow rate.
Imperial quart per Hours to Gallon per Minutes Converter — imp qt/h to gal/min
Convert Imperial quart per Hours (imp qt/h) to Gallon per Minutes (gal/min) using the exact conversion factor (1 imperial quart per hours = 0.005003958 gallon per minutes). See the formula, worked examples, conversion table, and common uses.
Imperial quart per Hours to Gallon per Minutes converter
Converter
Flow Rate Converter
Convert volumetric flow rates across metric, US, imperial, industrial, and scientific units.
Context values
Some unit families need one extra value for a physically accurate result.
Volumetric flow rate.
Result = input x 3.15700694e-7 / 6.30901964e-5.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial quart per Hours to Gallon per Minutes
Imperial quart per Hours and Gallon per Minutes both measure volumetric flow rate — how much volume passes a point over time — used to size pipes and pumps, monitor river or stream discharge, control industrial processes, and set medical infusion rates. Both are volumetric flow rate units.
Formula
gallon per minutes = imperial quart per hours × 0.00500395802294
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial quart per hours equals 3.157007e-7 base units, and 1 gallon per minutes equals 0.0000630901964 base units, so dividing one by the other gives the direct imperial quart per hours-to-gallon per minutes factor of 0.00500395802294.
Simple example
1 imp qt/h × 0.005003958023 = 0.005003958 gal/min
1 imperial quart per hours = 0.005003958 gallon per minutes.
Real-world example
60 imp qt/h × 0.005003958023 = 0.3002374814 gal/min
60 imperial quart per hours = 0.3002374814 gallon per minutes.
Conversion table
| Imperial quart per Hours (imp qt/h) | Gallon per Minutes (gal/min) |
|---|---|
| 0.1 imp qt/h | 0.0005003958 gal/min |
| 1 imp qt/h | 0.005003958 gal/min |
| 10 imp qt/h | 0.0500395802 gal/min |
| 60 imp qt/h | 0.3002374814 gal/min |
| 100 imp qt/h | 0.5003958023 gal/min |
| 1,000 imp qt/h | 5.003958023 gal/min |
Reverse conversion: Gallon per Minutes to Imperial quart per Hours
0.005003958 gal/min × 199.8418043 = 0.9999999954 imp qt/h
0.005003958 gallon per minutes = 0.9999999954 imperial quart per hours.
imperial quart per hours = gallon per minutes × 199.841804311
For a page dedicated to this direction, see Gallon per Minutes to Imperial quart per Hours.
Understanding the Imperial quart per Hours (imp qt/h)
Volumetric flow rate.
Understanding the Gallon per Minutes
Gallon per Minutes (gal/min) measures volumetric flow rate. The standard US unit for pump, plumbing, and irrigation flow-rate specifications. It is classified as a US customary flow-rate unit.
Where it's used: United States (plumbing, pump, and irrigation industry standard)
Uses of the Gallon per Minutes today
- US residential and commercial plumbing fixture flow ratings
- US pump and irrigation system specifications
- US pool and spa filtration system sizing
Gallon per Minutes — sources
- NIST Handbook 44 — General tables of units including US customary flow-rate measures.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallon per minutes are in 1 imperial quart per hours?
1 imperial quart per hours equals 0.005003958 gallon per minutes, using the exact defined conversion factor rather than an estimate.
How do I convert imperial quart per hours to gallon per minutes?
Multiply the imperial quart per hours value by 0.005003958023. The converter above does this instantly to whatever precision you set.
How do I convert gallon per minutes back to imperial quart per hours?
Use the reverse factor: 1 gallon per minutes equals 199.8418043 imperial quart per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial quart per hours?
Imperial quart per Hours (imp qt/h) is a unit of flow rate.
What is a gallon per minutes?
Gallon per Minutes (gal/min) measures volumetric flow rate. The standard US unit for pump, plumbing, and irrigation flow-rate specifications. It is classified as a US customary flow-rate unit.
Is the imperial quart per hours to gallon per minutes conversion exact?
Yes. Both imperial quart per hours and gallon per minutes are defined by fixed standards rather than physical artifacts, so the factor of 0.005003958023 used above is exact to as many digits as you choose to display.
What's the difference between volumetric and mass flow rate?
Volumetric flow rate measures the volume of fluid passing a point per unit time (for example, liters per second). Mass flow rate measures the mass instead. For a fluid of constant density the two are directly proportional, but for compressible fluids like gases, mass flow is often the more meaningful quantity.