Volumetric flow rate.
Imperial quart per Seconds to Gallons per Millisecond Converter — imp qt/s to gal/ms
Convert Imperial quart per Seconds (imp qt/s) to Gallon per Millisecond (gal/ms) using the exact conversion factor (1 imperial quart per seconds = 0.0003002375 gallon per millisecond). See the formula, worked examples, and conversion table.
Imperial quart per Seconds to Gallons 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 0.0011365225 / 3.785411784.
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 Seconds to Gallons per Millisecond
Imperial quart per Seconds and Gallon 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
gallons per millisecond = imperial quart per seconds × 0.000300237481376
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial quart per seconds equals 0.0011365225 base units, and 1 gallon per millisecond equals 3.785411784 base units, so dividing one by the other gives the direct imperial quart per seconds-to-gallon per millisecond factor of 0.000300237481376.
Simple example
1 imp qt/s × 0.0003002374814 = 0.0003002375 gal/ms
1 imperial quart per seconds = 0.0003002375 gallons per millisecond.
Real-world example
60 imp qt/s × 0.0003002374814 = 0.0180142489 gal/ms
60 imperial quart per seconds = 0.0180142489 gallons per millisecond.
Conversion table
| Imperial quart per Seconds (imp qt/s) | Gallon per Millisecond (gal/ms) |
|---|---|
| 0.1 imp qt/s | 0.0000300237 gal/ms |
| 1 imp qt/s | 0.0003002375 gal/ms |
| 10 imp qt/s | 0.0030023748 gal/ms |
| 60 imp qt/s | 0.0180142489 gal/ms |
| 100 imp qt/s | 0.0300237481 gal/ms |
| 1,000 imp qt/s | 0.3002374814 gal/ms |
Reverse conversion: Gallon per Millisecond to Imperial quart per Seconds
0.0003002375 gal/ms × 3330.696739 = 1.000000062 imp qt/s
0.0003002375 gallons per millisecond = 1.000000062 imperial quart per seconds.
imperial quart per seconds = gallons per millisecond × 3330.69673852
For a page dedicated to this direction, see Gallon per Millisecond to Imperial quart per Seconds.
Understanding the Imperial quart per Seconds (imp qt/s)
Volumetric flow rate.
Understanding the Gallon per Millisecond (gal/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallons per millisecond are in 1 imperial quart per seconds?
1 imperial quart per seconds equals 0.0003002375 gallons per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert imperial quart per seconds to gallon per millisecond?
Multiply the imperial quart per seconds value by 0.0003002374814. The converter above does this instantly to whatever precision you set.
How do I convert gallon per millisecond back to imperial quart per seconds?
Use the reverse factor: 1 gallon per millisecond equals 3,330.696739 imperial quart per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial quart per seconds?
Imperial quart per Seconds (imp qt/s) is a unit of flow rate.
What is a gallon per millisecond?
Gallon per Millisecond (gal/ms) is a unit of flow rate.
Is the imperial quart per seconds to gallon per millisecond conversion exact?
Yes. Both imperial quart per seconds and gallon per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 0.0003002374814 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.