Cubic feet per second to cubic meters per second
Type a value in cubic feet per second to see it in cubic meters per second straight away, or type in the second box to convert back.
Loading the tool…
Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.
How to use it
- Type the value in the cubic feet per second box.
- Read the result in cubic meters per second as you type, and pick the precision you need.
- Swap the direction to convert back, or copy the result.
How it is calculated
m³/s = ft³/s × 0.02831684659
Multiply the value in cubic feet per second by 0.02831684659 to get cubic meters per second.
Example
To convert 25 ft³/s to cubic meters per second: 25 × 0.02831684659 = 0.707921 m³/s.
Conversion table
| Cubic feet per second (ft³/s) | Cubic meters per second (m³/s) |
|---|---|
| 1 | 0.0283168 |
| 2 | 0.0566337 |
| 3 | 0.0849505 |
| 5 | 0.141584 |
| 10 | 0.283168 |
| 20 | 0.566337 |
| 25 | 0.707921 |
| 50 | 1.41584 |
| 100 | 2.83168 |
| 250 | 7.07921 |
| 500 | 14.1584 |
| 1,000 | 28.3168 |
About the units
- Cubic foot per second
- One cubic foot passing each second, used in the US to measure river and canal discharge.
- Cubic meter per second
- The SI unit of flow rate, one cubic meter passing each second, used for river and dam discharge.
Limits and caveats
- Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
- Both unit factors are exact by their official definitions.
Questions about this tool
How many cubic meters per second are in one cubic foot per second?
1 ft³/s = 0.0283168 m³/s exactly.
How do I convert cubic feet per second to cubic meters per second?
Use m³/s = ft³/s × 0.02831684659. For example, 25 ft³/s = 0.707921 m³/s.
How many cubic feet per second are in one cubic meter per second?
1 m³/s = 35.3147 ft³/s.
How do I convert liters per minute to US gallons per minute?
One US gallon per minute is exactly 3.785411784 L/min, so divide the liters figure by 3.785411784. For example, 20 L/min is about 5.28 US gpm.
What does CFM mean on AC units and fans?
CFM stands for cubic feet per minute and describes how much air a unit moves. One CFM equals 1.69901079552 cubic meters per hour or 0.4719474432 liters per second.
