Volumetric flow rate.
Quarts per Millisecond to Hectoliter per Days Converter — qt/ms to hL/d
Convert Quart per Millisecond (qt/ms) to Hectoliter per Days (hL/d) using the exact conversion factor (1 quart per millisecond = 817,648.9453 hectoliter per days). See the formula, worked examples, and conversion table.
Quarts per Millisecond to Hectoliter 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 0.946352946 / 1.15740741e-6.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Quarts per Millisecond to Hectoliter per Days
Quart per Millisecond and Hectoliter 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
hectoliter per days = quarts per millisecond × 817648.945344
This factor comes from each unit's defined relationship to the category's base unit: 1 quart per millisecond equals 0.946352946 base units, and 1 hectoliter per days equals 0.00000115740740741 base units, so dividing one by the other gives the direct quart per millisecond-to-hectoliter per days factor of 817648.945344.
Simple example
1 qt/ms × 817648.9453 = 817,648.9453 hL/d
1 quart per millisecond = 817,648.9453 hectoliter per days.
Real-world example
60 qt/ms × 817648.9453 = 49,058,936.72 hL/d
60 quarts per millisecond = 49,058,936.72 hectoliter per days.
Conversion table
| Quart per Millisecond (qt/ms) | Hectoliter per Days (hL/d) |
|---|---|
| 0.1 qt/ms | 81,764.89453 hL/d |
| 1 qt/ms | 817,648.9453 hL/d |
| 10 qt/ms | 8,176,489.453 hL/d |
| 60 qt/ms | 49,058,936.72 hL/d |
| 100 qt/ms | 81,764,894.53 hL/d |
| 1,000 qt/ms | 817,648,945.3 hL/d |
Reverse conversion: Hectoliter per Days to Quart per Millisecond
1 hL/d × 0.000001223018761 = 0.000001223 qt/ms
1 hectoliter per days = 0.000001223 quarts per millisecond.
quarts per millisecond = hectoliter per days × 0.00000122301876092
For a page dedicated to this direction, see Hectoliter per Days to Quart per Millisecond.
Understanding the Quart per Millisecond (qt/ms)
Volumetric flow rate.
Understanding the Hectoliter per Days (hL/d)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectoliter per days are in 1 quart per millisecond?
1 quart per millisecond equals 817,648.9453 hectoliter per days, using the exact defined conversion factor rather than an estimate.
How do I convert quart per millisecond to hectoliter per days?
Multiply the quart per millisecond value by 817648.9453. The converter above does this instantly to whatever precision you set.
How do I convert hectoliter per days back to quart per millisecond?
Use the reverse factor: 1 hectoliter per days equals 0.000001223 quarts per millisecond. You can also use the swap control in the converter above to flip the direction instantly.
What is a quart per millisecond?
Quart per Millisecond (qt/ms) is a unit of flow rate.
What is a hectoliter per days?
Hectoliter per Days (hL/d) is a unit of flow rate.
Is the quart per millisecond to hectoliter per days conversion exact?
Yes. Both quart per millisecond and hectoliter per days are defined by fixed standards rather than physical artifacts, so the factor of 817648.9453 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.