Volumetric flow rate.
Cubic Kilometer per Seconds to Cubic feet per Millisecond Converter — km3/s to ft3/ms
Convert Cubic Kilometer per Seconds (km3/s) to Cubic foot per Millisecond (ft3/ms) using the exact conversion factor (1 cubic kilometer per seconds = 35,314,666.72 cubic foot per millisecond). See the formula, worked examples, and conversion table.
Cubic Kilometer per Seconds to Cubic feet 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 1e+9 / 28.31684659.
Flow rate uses cubic meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Cubic Kilometer per Seconds to Cubic feet per Millisecond
Cubic Kilometer per Seconds and Cubic foot 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
cubic feet per millisecond = cubic kilometer per seconds × 35314666.7215
This factor comes from each unit's defined relationship to the category's base unit: 1 cubic kilometer per seconds equals 1000000000 base units, and 1 cubic foot per millisecond equals 28.316846592 base units, so dividing one by the other gives the direct cubic kilometer per seconds-to-cubic foot per millisecond factor of 35314666.7215.
Simple example
1 km3/s × 35314666.72 = 35,314,666.72 ft3/ms
1 cubic kilometer per seconds = 35,314,666.72 cubic feet per millisecond.
Real-world example
60 km3/s × 35314666.72 = 2,118,880,003 ft3/ms
60 cubic kilometer per seconds = 2,118,880,003 cubic feet per millisecond.
Conversion table
| Cubic Kilometer per Seconds (km3/s) | Cubic foot per Millisecond (ft3/ms) |
|---|---|
| 0.1 km3/s | 3,531,466.672 ft3/ms |
| 1 km3/s | 35,314,666.72 ft3/ms |
| 10 km3/s | 353,146,667.2 ft3/ms |
| 60 km3/s | 2,118,880,003 ft3/ms |
| 100 km3/s | 3,531,466,672 ft3/ms |
| 1,000 km3/s | 35,314,666,720 ft3/ms |
Reverse conversion: Cubic foot per Millisecond to Cubic Kilometer per Seconds
1 ft3/ms × 2.831685e-8 = 2.831685e-8 km3/s
1 cubic foot per millisecond = 2.831685e-8 cubic kilometer per seconds.
cubic kilometer per seconds = cubic feet per millisecond × 2.831685e-8
For a page dedicated to this direction, see Cubic foot per Millisecond to Cubic Kilometer per Seconds.
Understanding the Cubic Kilometer per Seconds (km3/s)
Volumetric flow rate.
Understanding the Cubic foot per Millisecond (ft3/ms)
Volumetric flow rate.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many cubic feet per millisecond are in 1 cubic kilometer per seconds?
1 cubic kilometer per seconds equals 35,314,666.72 cubic feet per millisecond, using the exact defined conversion factor rather than an estimate.
How do I convert cubic kilometer per seconds to cubic foot per millisecond?
Multiply the cubic kilometer per seconds value by 35314666.72. The converter above does this instantly to whatever precision you set.
How do I convert cubic foot per millisecond back to cubic kilometer per seconds?
Use the reverse factor: 1 cubic foot per millisecond equals 2.831685e-8 cubic kilometer per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a cubic kilometer per seconds?
Cubic Kilometer per Seconds (km3/s) is a unit of flow rate.
What is a cubic foot per millisecond?
Cubic foot per Millisecond (ft3/ms) is a unit of flow rate.
Is the cubic kilometer per seconds to cubic foot per millisecond conversion exact?
Yes. Both cubic kilometer per seconds and cubic foot per millisecond are defined by fixed standards rather than physical artifacts, so the factor of 35314666.72 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.