Volumetric flow rate.
Imperial pint per Days to Hectoliters per Millisecond Converter — imp pt/d to hL/ms
Convert Imperial pint per Days (imp pt/d) to Hectoliter per Millisecond (hL/ms) using the exact conversion factor (1 imperial pint per days = 6.577098e-11 hectoliter per millisecond). See the formula, worked examples, and conversion table.
Imperial pint per Days to Hectoliters 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 / 100.
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 Hectoliters per Millisecond
Imperial pint per Days and Hectoliter 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
hectoliters per millisecond = imperial pint per days × 6.577098e-11
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 hectoliter per millisecond equals 100 base units, so dividing one by the other gives the direct imperial pint per days-to-hectoliter per millisecond factor of 6.577098e-11.
Simple example
1 imp pt/d × 6.577098e-11 = 6.577098e-11 hL/ms
1 imperial pint per days = 6.577098e-11 hectoliters per millisecond.
Real-world example
60 imp pt/d × 6.577098e-11 = 3.946259e-9 hL/ms
60 imperial pint per days = 3.946259e-9 hectoliters per millisecond.
Conversion table
| Imperial pint per Days (imp pt/d) | Hectoliter per Millisecond (hL/ms) |
|---|---|
| 0.1 imp pt/d | 6.577098e-12 hL/ms |
| 1 imp pt/d | 6.577098e-11 hL/ms |
| 10 imp pt/d | 6.577098e-10 hL/ms |
| 60 imp pt/d | 3.946259e-9 hL/ms |
| 100 imp pt/d | 6.577098e-9 hL/ms |
| 1,000 imp pt/d | 6.577098e-8 hL/ms |
Reverse conversion: Hectoliter per Millisecond to Imperial pint per Days
6.577098e-11 hL/ms × 15204274440 = 1.00000003 imp pt/d
6.577098e-11 hectoliters per millisecond = 1.00000003 imperial pint per days.
imperial pint per days = hectoliters per millisecond × 15204274442.4
For a page dedicated to this direction, see Hectoliter per Millisecond to Imperial pint per Days.
Understanding the Imperial pint per Days (imp pt/d)
Volumetric flow rate.
Understanding the Hectoliter per Millisecond (hL/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectoliters per millisecond are in 1 imperial pint per days?
1 imperial pint per days equals 6.577098e-11 hectoliters per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert imperial pint per days to hectoliter per millisecond?
Multiply the imperial pint per days value by 6.577098e-11. The converter above does this instantly to whatever precision you set.
How do I convert hectoliter per millisecond back to imperial pint per days?
Use the reverse factor: 1 hectoliter per millisecond equals 15,204,274,440 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 hectoliter per millisecond?
Hectoliter per Millisecond (hL/ms) is a unit of flow rate.
Is the imperial pint per days to hectoliter per millisecond conversion exact?
Yes. Both imperial pint per days and hectoliter per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 6.577098e-11 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.