Volumetric flow rate.
Imperial pint per Hours to Quarts per Millisecond Converter — imp pt/h to qt/ms
Convert Imperial pint per Hours (imp pt/h) to Quart per Millisecond (qt/ms) using the exact conversion factor (1 imperial pint per hours = 1.667986e-7 quart per millisecond). See the formula, worked examples, and conversion table.
Imperial pint per Hours to 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 1.57850347e-7 / 0.946352946.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial pint per Hours to Quarts per Millisecond
Imperial pint per Hours and 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
quarts per millisecond = imperial pint per hours × 1.667986e-7
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial pint per hours equals 1.578503e-7 base units, and 1 quart per millisecond equals 0.946352946 base units, so dividing one by the other gives the direct imperial pint per hours-to-quart per millisecond factor of 1.667986e-7.
Simple example
1 imp pt/h × 1.667986e-7 = 1.667986e-7 qt/ms
1 imperial pint per hours = 1.667986e-7 quarts per millisecond.
Real-world example
60 imp pt/h × 1.667986e-7 = 0.0000100079 qt/ms
60 imperial pint per hours = 0.0000100079 quarts per millisecond.
Conversion table
| Imperial pint per Hours (imp pt/h) | Quart per Millisecond (qt/ms) |
|---|---|
| 0.1 imp pt/h | 1.667986e-8 qt/ms |
| 1 imp pt/h | 1.667986e-7 qt/ms |
| 10 imp pt/h | 0.000001668 qt/ms |
| 60 imp pt/h | 0.0000100079 qt/ms |
| 100 imp pt/h | 0.0000166799 qt/ms |
| 1,000 imp pt/h | 0.0001667986 qt/ms |
Reverse conversion: Quart per Millisecond to Imperial pint per Hours
1.667986e-7 qt/ms × 5995254.129 = 0.9999999954 imp pt/h
1.667986e-7 quarts per millisecond = 0.9999999954 imperial pint per hours.
imperial pint per hours = quarts per millisecond × 5995254.12933
For a page dedicated to this direction, see Quart per Millisecond to Imperial pint per Hours.
Understanding the Imperial pint per Hours (imp pt/h)
Volumetric flow rate.
Understanding the Quart per Millisecond (qt/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quarts per millisecond are in 1 imperial pint per hours?
1 imperial pint per hours equals 1.667986e-7 quarts per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert imperial pint per hours to quart per millisecond?
Multiply the imperial pint per hours value by 1.667986e-7. The converter above does this instantly to whatever precision you set.
How do I convert quart per millisecond back to imperial pint per hours?
Use the reverse factor: 1 quart per millisecond equals 5,995,254.129 imperial pint per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial pint per hours?
Imperial pint per Hours (imp pt/h) is a unit of flow rate.
What is a quart per millisecond?
Quart per Millisecond (qt/ms) is a unit of flow rate.
Is the imperial pint per hours to quart per millisecond conversion exact?
Yes. Both imperial pint per hours and quart per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 1.667986e-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.