Volumetric flow rate.
Quart per Days to Milliliter per Hours Converter — qt/d to mL/h
Convert Quart per Days (qt/d) to Milliliter per Hours (mL/h) using the exact conversion factor (1 quart per days = 39.43137275 milliliter per hours). See the formula, worked examples, and conversion table.
Quart 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 1.09531591e-8 / 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 Quart per Days to Milliliter per Hours
Quart 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 = quart per days × 39.43137275
This factor comes from each unit's defined relationship to the category's base unit: 1 quart per days equals 1.095316e-8 base units, and 1 milliliter per hours equals 2.777778e-10 base units, so dividing one by the other gives the direct quart per days-to-milliliter per hours factor of 39.43137275.
Simple example
1 qt/d × 39.43137275 = 39.43137275 mL/h
1 quart per days = 39.43137275 milliliter per hours.
Real-world example
60 qt/d × 39.43137275 = 2,365.882365 mL/h
60 quart per days = 2,365.882365 milliliter per hours.
Conversion table
| Quart per Days (qt/d) | Milliliter per Hours (mL/h) |
|---|---|
| 0.1 qt/d | 3.943137275 mL/h |
| 1 qt/d | 39.43137275 mL/h |
| 10 qt/d | 394.3137275 mL/h |
| 60 qt/d | 2,365.882365 mL/h |
| 100 qt/d | 3,943.137275 mL/h |
| 1,000 qt/d | 39,431.37275 mL/h |
Reverse conversion: Milliliter per Hours to Quart per Days
39.43137275 mL/h × 0.02536051703 = 1 qt/d
39.43137275 milliliter per hours = 1 quart per days.
quart per days = milliliter per hours × 0.0253605170264
For a page dedicated to this direction, see Milliliter per Hours to Quart per Days.
Understanding the Quart per Days (qt/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 quart per days?
1 quart per days equals 39.43137275 milliliter per hours, using the exact defined conversion factor rather than an estimate.
How do I convert quart per days to milliliter per hours?
Multiply the quart per days value by 39.43137275. The converter above does this instantly to whatever precision you set.
How do I convert milliliter per hours back to quart per days?
Use the reverse factor: 1 milliliter per hours equals 0.025360517 quart per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a quart per days?
Quart per Days (qt/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 quart per days to milliliter per hours conversion exact?
Yes. Both quart per days and milliliter per hours are defined by fixed standards rather than physical artifacts, so the factor of 39.43137275 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.