Volumetric flow rate.
Imperial pint per Days to Imperial gallons per Millisecond Converter — imp pt/d to imp gal/ms
Convert Imperial pint per Days (imp pt/d) to Imperial gallon per Millisecond (imp gal/ms) using the exact conversion factor (1 imperial pint per days = 1.446759e-9 imperial gallon per millisecond). See the formula, worked examples, and conversion table.
Imperial pint per Days to Imperial 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 6.5770978e-9 / 4.54609.
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 Days to Imperial gallons per Millisecond
Imperial pint per Days and Imperial 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
imperial gallons per millisecond = imperial pint per days × 1.446759e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial pint per days equals 6.577098e-9 base units, and 1 imperial gallon per millisecond equals 4.54609 base units, so dividing one by the other gives the direct imperial pint per days-to-imperial gallon per millisecond factor of 1.446759e-9.
Simple example
1 imp pt/d × 1.446759e-9 = 1.446759e-9 imp gal/ms
1 imperial pint per days = 1.446759e-9 imperial gallons per millisecond.
Real-world example
60 imp pt/d × 1.446759e-9 = 8.680556e-8 imp gal/ms
60 imperial pint per days = 8.680556e-8 imperial gallons per millisecond.
Conversion table
| Imperial pint per Days (imp pt/d) | Imperial gallon per Millisecond (imp gal/ms) |
|---|---|
| 0.1 imp pt/d | 1.446759e-10 imp gal/ms |
| 1 imp pt/d | 1.446759e-9 imp gal/ms |
| 10 imp pt/d | 1.446759e-8 imp gal/ms |
| 60 imp pt/d | 8.680556e-8 imp gal/ms |
| 100 imp pt/d | 1.446759e-7 imp gal/ms |
| 1,000 imp pt/d | 0.0000014468 imp gal/ms |
Reverse conversion: Imperial gallon per Millisecond to Imperial pint per Days
1.446759e-9 imp gal/ms × 691200000 = 0.9999998208 imp pt/d
1.446759e-9 imperial gallons per millisecond = 0.9999998208 imperial pint per days.
imperial pint per days = imperial gallons per millisecond × 691200000
For a page dedicated to this direction, see Imperial gallon per Millisecond to Imperial pint per Days.
Understanding the Imperial pint per Days (imp pt/d)
Volumetric flow rate.
Understanding the Imperial gallon per Millisecond (imp gal/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many imperial gallons per millisecond are in 1 imperial pint per days?
1 imperial pint per days equals 1.446759e-9 imperial gallons per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert imperial pint per days to imperial gallon per millisecond?
Multiply the imperial pint per days value by 1.446759e-9. The converter above does this instantly to whatever precision you set.
How do I convert imperial gallon per millisecond back to imperial pint per days?
Use the reverse factor: 1 imperial gallon per millisecond equals 691,200,000 imperial pint per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial pint per days?
Imperial pint per Days (imp pt/d) is a unit of flow rate.
What is a imperial gallon per millisecond?
Imperial gallon per Millisecond (imp gal/ms) is a unit of flow rate.
Is the imperial pint per days to imperial gallon per millisecond conversion exact?
Yes. Both imperial pint per days and imperial gallon per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 1.446759e-9 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.