Volumetric flow rate.
Hectoliters per Millisecond to Quart per Days Converter — hL/ms to qt/d
Convert Hectoliter per Millisecond (hL/ms) to Quart per Days (qt/d) using the exact conversion factor (1 hectoliter per millisecond = 9,129,786,129 quart per days). See the formula, worked examples, and conversion table.
Hectoliters per Millisecond to Quart 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 100 / 1.09531591e-8.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Hectoliters per Millisecond to Quart per Days
Hectoliter per Millisecond and Quart 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
quart per days = hectoliters per millisecond × 9129786129.5
This factor comes from each unit's defined relationship to the category's base unit: 1 hectoliter per millisecond equals 100 base units, and 1 quart per days equals 1.095316e-8 base units, so dividing one by the other gives the direct hectoliter per millisecond-to-quart per days factor of 9129786129.5.
Simple example
1 hL/ms × 9129786129 = 9,129,786,129 qt/d
1 hectoliter per millisecond = 9,129,786,129 quart per days.
Real-world example
60 hL/ms × 9129786129 = 547,787,167,800 qt/d
60 hectoliters per millisecond = 547,787,167,800 quart per days.
Conversion table
| Hectoliter per Millisecond (hL/ms) | Quart per Days (qt/d) |
|---|---|
| 0.1 hL/ms | 912,978,612.9 qt/d |
| 1 hL/ms | 9,129,786,129 qt/d |
| 10 hL/ms | 91,297,861,290 qt/d |
| 60 hL/ms | 547,787,167,800 qt/d |
| 100 hL/ms | 912,978,612,900 qt/d |
| 1,000 hL/ms | 9.129786e+12 qt/d |
Reverse conversion: Quart per Days to Hectoliter per Millisecond
1 qt/d × 1.095316e-10 = 1.095316e-10 hL/ms
1 quart per days = 1.095316e-10 hectoliters per millisecond.
hectoliters per millisecond = quart per days × 1.095316e-10
For a page dedicated to this direction, see Quart per Days to Hectoliter per Millisecond.
Understanding the Hectoliter per Millisecond (hL/ms)
Volumetric flow rate.
Understanding the Quart per Days (qt/d)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quart per days are in 1 hectoliter per millisecond?
1 hectoliter per millisecond equals 9,129,786,129 quart per days, using the exact defined conversion factor rather than an estimate.
How do I convert hectoliter per millisecond to quart per days?
Multiply the hectoliter per millisecond value by 9129786129. The converter above does this instantly to whatever precision you set.
How do I convert quart per days back to hectoliter per millisecond?
Use the reverse factor: 1 quart per days equals 1.095316e-10 hectoliters per millisecond. You can also use the swap control in the converter above to flip the direction instantly.
What is a hectoliter per millisecond?
Hectoliter per Millisecond (hL/ms) is a unit of flow rate.
What is a quart per days?
Quart per Days (qt/d) is a unit of flow rate.
Is the hectoliter per millisecond to quart per days conversion exact?
Yes. Both hectoliter per millisecond and quart per days are defined by fixed standards rather than physical artifacts, so the factor of 9129786129 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.