Volumetric flow rate.
Pint per Days to Milliliter per Hours Converter — pt/d to mL/h
Convert Pint per Days (pt/d) to Milliliter per Hours (mL/h) using the exact conversion factor (1 pint per days = 19.71568638 milliliter per hours). See the formula, worked examples, and conversion table.
Pint per Days to Milliliter per Hours 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 5.47657955e-9 / 2.77777778e-10.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Pint per Days to Milliliter per Hours
Pint per Days and Milliliter per Hours 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
milliliter per hours = pint per days × 19.715686375
This factor comes from each unit's defined relationship to the category's base unit: 1 pint per days equals 5.47658e-9 base units, and 1 milliliter per hours equals 2.777778e-10 base units, so dividing one by the other gives the direct pint per days-to-milliliter per hours factor of 19.715686375.
Simple example
1 pt/d × 19.71568638 = 19.71568638 mL/h
1 pint per days = 19.71568638 milliliter per hours.
Real-world example
60 pt/d × 19.71568638 = 1,182.941183 mL/h
60 pint per days = 1,182.941183 milliliter per hours.
Conversion table
| Pint per Days (pt/d) | Milliliter per Hours (mL/h) |
|---|---|
| 0.1 pt/d | 1.971568638 mL/h |
| 1 pt/d | 19.71568638 mL/h |
| 10 pt/d | 197.1568638 mL/h |
| 60 pt/d | 1,182.941183 mL/h |
| 100 pt/d | 1,971.568638 mL/h |
| 1,000 pt/d | 19,715.68638 mL/h |
Reverse conversion: Milliliter per Hours to Pint per Days
19.71568638 mL/h × 0.05072103405 = 1 pt/d
19.71568638 milliliter per hours = 1 pint per days.
pint per days = milliliter per hours × 0.0507210340528
For a page dedicated to this direction, see Milliliter per Hours to Pint per Days.
Understanding the Pint per Days (pt/d)
Volumetric flow rate.
Understanding the Milliliter per Hours (mL/h)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milliliter per hours are in 1 pint per days?
1 pint per days equals 19.71568638 milliliter per hours, using the exact defined conversion factor rather than an estimate.
How do I convert pint per days to milliliter per hours?
Multiply the pint per days value by 19.71568638. The converter above does this instantly to whatever precision you set.
How do I convert milliliter per hours back to pint per days?
Use the reverse factor: 1 milliliter per hours equals 0.0507210341 pint per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a pint per days?
Pint per Days (pt/d) is a unit of flow rate.
What is a milliliter per hours?
Milliliter per Hours (mL/h) is a unit of flow rate.
Is the pint per days to milliliter per hours conversion exact?
Yes. Both pint per days and milliliter per hours are defined by fixed standards rather than physical artifacts, so the factor of 19.71568638 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.