Volumetric flow rate.
Gallon per Hours to Imperial quarts per Millisecond Converter — gal/h to imp qt/ms
Convert Gallon per Hours (gal/h) to Imperial quart per Millisecond (imp qt/ms) using the exact conversion factor (1 gallon per hours = 9.251935e-7 imperial quart per millisecond). See the formula, worked examples, and conversion table.
Gallon per Hours to Imperial quarts per Millisecond 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 1.05150327e-6 / 1.1365225.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Gallon per Hours to Imperial quarts per Millisecond
Gallon per Hours and Imperial quart per Millisecond 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
imperial quarts per millisecond = gallon per hours × 9.251935e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 gallon per hours equals 0.00000105150327333 base units, and 1 imperial quart per millisecond equals 1.1365225 base units, so dividing one by the other gives the direct gallon per hours-to-imperial quart per millisecond factor of 9.251935e-7.
Simple example
1 gal/h × 9.251935e-7 = 9.251935e-7 imp qt/ms
1 gallon per hours = 9.251935e-7 imperial quarts per millisecond.
Real-world example
60 gal/h × 9.251935e-7 = 0.0000555116 imp qt/ms
60 gallon per hours = 0.0000555116 imperial quarts per millisecond.
Conversion table
| Gallon per Hours (gal/h) | Imperial quart per Millisecond (imp qt/ms) |
|---|---|
| 0.1 gal/h | 9.251935e-8 imp qt/ms |
| 1 gal/h | 9.251935e-7 imp qt/ms |
| 10 gal/h | 0.0000092519 imp qt/ms |
| 60 gal/h | 0.0000555116 imp qt/ms |
| 100 gal/h | 0.0000925194 imp qt/ms |
| 1,000 gal/h | 0.0009251935 imp qt/ms |
Reverse conversion: Imperial quart per Millisecond to Gallon per Hours
9.251935e-7 imp qt/ms × 1080854.933 = 0.9999999584 gal/h
9.251935e-7 imperial quarts per millisecond = 0.9999999584 gallon per hours.
gallon per hours = imperial quarts per millisecond × 1080854.93295
For a page dedicated to this direction, see Imperial quart per Millisecond to Gallon per Hours.
Understanding the Gallon per Hours (gal/h)
Volumetric flow rate.
Understanding the Imperial quart per Millisecond (imp qt/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial quarts per millisecond are in 1 gallon per hours?
1 gallon per hours equals 9.251935e-7 imperial quarts per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert gallon per hours to imperial quart per millisecond?
Multiply the gallon per hours value by 9.251935e-7. The converter above does this instantly to whatever precision you set.
How do I convert imperial quart per millisecond back to gallon per hours?
Use the reverse factor: 1 imperial quart per millisecond equals 1,080,854.933 gallon per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a gallon per hours?
Gallon per Hours (gal/h) is a unit of flow rate.
What is a imperial quart per millisecond?
Imperial quart per Millisecond (imp qt/ms) is a unit of flow rate.
Is the gallon per hours to imperial quart per millisecond conversion exact?
Yes. Both gallon per hours and imperial quart per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 9.251935e-7 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.