Volumetric flow rate.
Microliter per Hours to Milliliters per Millisecond Converter — uL/h to mL/ms
Convert Microliter per Hours (uL/h) to Milliliter per Millisecond (mL/ms) using the exact conversion factor (1 microliter per hours = 2.777778e-10 milliliter per millisecond). See the formula, worked examples, and conversion table.
Microliter per Hours to Milliliters 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 2.77777778e-13 / 0.001.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Microliter per Hours to Milliliters per Millisecond
Microliter per Hours and Milliliter 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
milliliters per millisecond = microliter per hours × 2.777778e-10
This factor comes from each unit's defined relationship to the category's base unit: 1 microliter per hours equals 2.777778e-13 base units, and 1 milliliter per millisecond equals 0.001 base units, so dividing one by the other gives the direct microliter per hours-to-milliliter per millisecond factor of 2.777778e-10.
Simple example
1 uL/h × 2.777778e-10 = 2.777778e-10 mL/ms
1 microliter per hours = 2.777778e-10 milliliters per millisecond.
Real-world example
60 uL/h × 2.777778e-10 = 1.666667e-8 mL/ms
60 microliter per hours = 1.666667e-8 milliliters per millisecond.
Conversion table
| Microliter per Hours (uL/h) | Milliliter per Millisecond (mL/ms) |
|---|---|
| 0.1 uL/h | 2.777778e-11 mL/ms |
| 1 uL/h | 2.777778e-10 mL/ms |
| 10 uL/h | 2.777778e-9 mL/ms |
| 60 uL/h | 1.666667e-8 mL/ms |
| 100 uL/h | 2.777778e-8 mL/ms |
| 1,000 uL/h | 2.777778e-7 mL/ms |
Reverse conversion: Milliliter per Millisecond to Microliter per Hours
2.777778e-10 mL/ms × 3600000000 = 1.00000008 uL/h
2.777778e-10 milliliters per millisecond = 1.00000008 microliter per hours.
microliter per hours = milliliters per millisecond × 3600000000
For a page dedicated to this direction, see Milliliter per Millisecond to Microliter per Hours.
Understanding the Microliter per Hours (uL/h)
Volumetric flow rate.
Understanding the Milliliter per Millisecond (mL/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milliliters per millisecond are in 1 microliter per hours?
1 microliter per hours equals 2.777778e-10 milliliters per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert microliter per hours to milliliter per millisecond?
Multiply the microliter per hours value by 2.777778e-10. The converter above does this instantly to whatever precision you set.
How do I convert milliliter per millisecond back to microliter per hours?
Use the reverse factor: 1 milliliter per millisecond equals 3,600,000,000 microliter per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a microliter per hours?
Microliter per Hours (uL/h) is a unit of flow rate.
What is a milliliter per millisecond?
Milliliter per Millisecond (mL/ms) is a unit of flow rate.
Is the microliter per hours to milliliter per millisecond conversion exact?
Yes. Both microliter per hours and milliliter per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 2.777778e-10 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.