Volumetric flow rate.
Cup per Days to Hectoliters per Millisecond Converter — cup/d to hL/ms
Convert Cup per Days (cup/d) to Hectoliter per Millisecond (hL/ms) using the exact conversion factor (1 cup per days = 2.73829e-11 hectoliter per millisecond). See the formula, worked examples, and conversion table.
Cup per Days to Hectoliters 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 2.73828977e-9 / 100.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cup per Days to Hectoliters per Millisecond
Cup per Days and Hectoliter 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
hectoliters per millisecond = cup per days × 2.73829e-11
This factor comes from each unit's defined relationship to the category's base unit: 1 cup per days equals 2.73829e-9 base units, and 1 hectoliter per millisecond equals 100 base units, so dividing one by the other gives the direct cup per days-to-hectoliter per millisecond factor of 2.73829e-11.
Simple example
1 cup/d × 2.73829e-11 = 2.73829e-11 hL/ms
1 cup per days = 2.73829e-11 hectoliters per millisecond.
Real-world example
60 cup/d × 2.73829e-11 = 1.642974e-9 hL/ms
60 cup per days = 1.642974e-9 hectoliters per millisecond.
Conversion table
| Cup per Days (cup/d) | Hectoliter per Millisecond (hL/ms) |
|---|---|
| 0.1 cup/d | 2.73829e-12 hL/ms |
| 1 cup/d | 2.73829e-11 hL/ms |
| 10 cup/d | 2.73829e-10 hL/ms |
| 60 cup/d | 1.642974e-9 hL/ms |
| 100 cup/d | 2.73829e-9 hL/ms |
| 1,000 cup/d | 2.73829e-8 hL/ms |
Reverse conversion: Hectoliter per Millisecond to Cup per Days
2.73829e-11 hL/ms × 36519144520 = 1.000000082 cup/d
2.73829e-11 hectoliters per millisecond = 1.000000082 cup per days.
cup per days = hectoliters per millisecond × 36519144518
For a page dedicated to this direction, see Hectoliter per Millisecond to Cup per Days.
Understanding the Cup per Days (cup/d)
Volumetric flow rate.
Understanding the Hectoliter per Millisecond (hL/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many hectoliters per millisecond are in 1 cup per days?
1 cup per days equals 2.73829e-11 hectoliters per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert cup per days to hectoliter per millisecond?
Multiply the cup per days value by 2.73829e-11. The converter above does this instantly to whatever precision you set.
How do I convert hectoliter per millisecond back to cup per days?
Use the reverse factor: 1 hectoliter per millisecond equals 36,519,144,520 cup per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a cup per days?
Cup per Days (cup/d) is a unit of flow rate.
What is a hectoliter per millisecond?
Hectoliter per Millisecond (hL/ms) is a unit of flow rate.
Is the cup per days to hectoliter per millisecond conversion exact?
Yes. Both cup per days and hectoliter per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 2.73829e-11 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.