Volumetric flow rate.
Cubic Millimeter per Seconds to Cubic Kilometer per Days Converter — mm3/s to km3/d
Convert Cubic Millimeter per Seconds (mm3/s) to Cubic Kilometer per Days (km3/d) using the exact conversion factor (1 cubic millimeter per seconds = 8.64e-14 cubic kilometer per days). See the formula, worked examples, and conversion table.
Cubic Millimeter per Seconds to Cubic Kilometer 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 1e-9 / 11574.07407.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Millimeter per Seconds to Cubic Kilometer per Days
Cubic Millimeter per Seconds and Cubic Kilometer 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
cubic kilometer per days = cubic millimeter per seconds × 8.64e-14
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic millimeter per seconds equals 1e-9 base units, and 1 cubic kilometer per days equals 11574.0740741 base units, so dividing one by the other gives the direct cubic millimeter per seconds-to-cubic kilometer per days factor of 8.64e-14.
Simple example
1 mm3/s × 8.64e-14 = 8.64e-14 km3/d
1 cubic millimeter per seconds = 8.64e-14 cubic kilometer per days.
Real-world example
60 mm3/s × 8.64e-14 = 5.184e-12 km3/d
60 cubic millimeter per seconds = 5.184e-12 cubic kilometer per days.
Conversion table
| Cubic Millimeter per Seconds (mm3/s) | Cubic Kilometer per Days (km3/d) |
|---|---|
| 0.1 mm3/s | 8.64e-15 km3/d |
| 1 mm3/s | 8.64e-14 km3/d |
| 10 mm3/s | 8.64e-13 km3/d |
| 60 mm3/s | 5.184e-12 km3/d |
| 100 mm3/s | 8.64e-12 km3/d |
| 1,000 mm3/s | 8.64e-11 km3/d |
Reverse conversion: Cubic Kilometer per Days to Cubic Millimeter per Seconds
8.64e-14 km3/d × 1.157407e+13 = 1 mm3/s
8.64e-14 cubic kilometer per days = 1 cubic millimeter per seconds.
cubic millimeter per seconds = cubic kilometer per days × 1.157407e+13
For a page dedicated to this direction, see Cubic Kilometer per Days to Cubic Millimeter per Seconds.
Understanding the Cubic Millimeter per Seconds (mm3/s)
Volumetric flow rate.
Understanding the Cubic Kilometer per Days (km3/d)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic kilometer per days are in 1 cubic millimeter per seconds?
1 cubic millimeter per seconds equals 8.64e-14 cubic kilometer per days, using the exact defined conversion factor rather than an estimate.
How do I convert cubic millimeter per seconds to cubic kilometer per days?
Multiply the cubic millimeter per seconds value by 8.64e-14. The converter above does this instantly to whatever precision you set.
How do I convert cubic kilometer per days back to cubic millimeter per seconds?
Use the reverse factor: 1 cubic kilometer per days equals 1.157407e+13 cubic millimeter per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic millimeter per seconds?
Cubic Millimeter per Seconds (mm3/s) is a unit of flow rate.
What is a cubic kilometer per days?
Cubic Kilometer per Days (km3/d) is a unit of flow rate.
Is the cubic millimeter per seconds to cubic kilometer per days conversion exact?
Yes. Both cubic millimeter per seconds and cubic kilometer per days are defined by fixed standards rather than physical artifacts, so the factor of 8.64e-14 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.