Volumetric flow rate.
Milliliter per Hours to Gallon per Days Converter — mL/h to gal/d
Convert Milliliter per Hours (mL/h) to Gallon per Days (gal/d) using the exact conversion factor (1 milliliter per hours = 0.0063401293 gallon per days). See the formula, worked examples, and conversion table.
Milliliter per Hours to Gallon per Days 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 2.77777778e-10 / 4.38126364e-8.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Milliliter per Hours to Gallon per Days
Milliliter per Hours and Gallon per Days 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
gallon per days = milliliter per hours × 0.0063401292566
This factor comes from each unit's defined relationship to the category's base unit: 1 milliliter per hours equals 2.777778e-10 base units, and 1 gallon per days equals 4.381264e-8 base units, so dividing one by the other gives the direct milliliter per hours-to-gallon per days factor of 0.0063401292566.
Simple example
1 mL/h × 0.006340129257 = 0.0063401293 gal/d
1 milliliter per hours = 0.0063401293 gallon per days.
Real-world example
60 mL/h × 0.006340129257 = 0.3804077554 gal/d
60 milliliter per hours = 0.3804077554 gallon per days.
Conversion table
| Milliliter per Hours (mL/h) | Gallon per Days (gal/d) |
|---|---|
| 0.1 mL/h | 0.0006340129 gal/d |
| 1 mL/h | 0.0063401293 gal/d |
| 10 mL/h | 0.0634012926 gal/d |
| 60 mL/h | 0.3804077554 gal/d |
| 100 mL/h | 0.6340129257 gal/d |
| 1,000 mL/h | 6.340129257 gal/d |
Reverse conversion: Gallon per Days to Milliliter per Hours
0.0063401293 gal/d × 157.725491 = 1.000000007 mL/h
0.0063401293 gallon per days = 1.000000007 milliliter per hours.
milliliter per hours = gallon per days × 157.725491
For a page dedicated to this direction, see Gallon per Days to Milliliter per Hours.
Understanding the Milliliter per Hours (mL/h)
Volumetric flow rate.
Understanding the Gallon per Days (gal/d)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many gallon per days are in 1 milliliter per hours?
1 milliliter per hours equals 0.0063401293 gallon per days, using the exact defined conversion factor rather than an estimate.
How do I convert milliliter per hours to gallon per days?
Multiply the milliliter per hours value by 0.006340129257. The converter above does this instantly to whatever precision you set.
How do I convert gallon per days back to milliliter per hours?
Use the reverse factor: 1 gallon per days equals 157.725491 milliliter per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a milliliter per hours?
Milliliter per Hours (mL/h) is a unit of flow rate.
What is a gallon per days?
Gallon per Days (gal/d) is a unit of flow rate.
Is the milliliter per hours to gallon per days conversion exact?
Yes. Both milliliter per hours and gallon per days are defined by fixed standards rather than physical artifacts, so the factor of 0.006340129257 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.