Cubic feet per second to Cubic metres per second
Type a value in Cubic feet per second and get the result in Cubic metres per second, calculated exactly.
10 Cubic feet per second = 0.28316846592 Cubic metres per second
Precision
Exact factorThis result is exact.
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Formula
m³/s = ft³/s × 0.028316846592
To convert Cubic feet per second to Cubic metres per second, multiply the value by 0.028316846592.
Worked examples
- 1 ft³/s × 0.028316846592 = 0.028316846592 m³/s
- 10 ft³/s × 0.028316846592 = 0.28316846592 m³/s
- 100 ft³/s × 0.028316846592 = 2.8316846592 m³/s
This factor is exact by definition.
Conversion table
| Cubic feet per second (ft³/s) | Cubic metres per second (m³/s) |
|---|---|
| 1 | 0.028316846592 |
| 2 | 0.056633693184 |
| 3 | 0.084950539776 |
| 4 | 0.113267386368 |
| 5 | 0.14158423296 |
| 6 | 0.169901079552 |
| 7 | 0.198217926144 |
| 8 | 0.226534772736 |
| 9 | 0.254851619328 |
| 10 | 0.28316846592 |
| 15 | 0.42475269888 |
| 20 | 0.56633693184 |
| 25 | 0.7079211648 |
| 30 | 0.84950539776 |
| 40 | 1.13267386368 |
| 50 | 1.4158423296 |
| 60 | 1.69901079552 |
| 70 | 1.98217926144 |
| 75 | 2.1237634944 |
| 80 | 2.26534772736 |
| 90 | 2.54851619328 |
| 100 | 2.8316846592 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Cubic metres per second to Cubic feet per second
| Cubic metres per second (m³/s) | Cubic feet per second (ft³/s) |
|---|---|
| 1 | ≈ 35.31467 |
| 2 | ≈ 70.62933 |
| 3 | ≈ 105.944 |
| 4 | ≈ 141.2587 |
| 5 | ≈ 176.5733 |
| 6 | ≈ 211.888 |
| 7 | ≈ 247.2027 |
| 8 | ≈ 282.5173 |
| 9 | ≈ 317.832 |
| 10 | ≈ 353.1467 |
| 15 | ≈ 529.72 |
| 20 | ≈ 706.2933 |
| 25 | ≈ 882.8667 |
| 30 | ≈ 1,059.44 |
| 40 | ≈ 1,412.587 |
| 50 | ≈ 1,765.733 |
| 60 | ≈ 2,118.88 |
| 70 | ≈ 2,472.027 |
| 75 | ≈ 2,648.6 |
| 80 | ≈ 2,825.173 |
| 90 | ≈ 3,178.32 |
| 100 | ≈ 3,531.467 |
Unit definitions
- Cubic feet per second ft³/s
- One cubic foot each second, used for river flow in the US.
- Cubic metres per second m³/s
- The SI unit of volumetric flow rate.
Questions people ask
Cubic feet per second to Cubic metres per second: what is the conversion factor?
One ft³/s is 0.028316846592 m³/s.
How do I convert Cubic feet per second to Cubic metres per second?
Use the formula above. For example, 10 ft³/s = 0.28316846592 m³/s.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.