Convert Cubic Foot per Second to Cubic Meter per Second
Live bidirectional calculator for Cubic Feet per Second (ft³/s) and Cubic Meters per Second (m³/s) with verified formula and conversion charts.
Volume Flow Rate7 units
How the Calculation Works (Linear Scaling)
Since 1 Cubic Meter per Second = 35.314667 Cubic Feet per Second, divide the value in Cubic Feet per Second by 35.314667.
Cubic Foot per Second to Cubic Meter per Second Conversion Table
Precomputed values for quick reference and printing.
| Cubic Foot per Second | Cubic Meter per Second |
|---|---|
| 1 ft³/s | 0.0283 m³/s |
| 2 ft³/s | 0.0566 m³/s |
| 3 ft³/s | 0.085 m³/s |
| 4 ft³/s | 0.1133 m³/s |
| 5 ft³/s | 0.1416 m³/s |
| 6 ft³/s | 0.1699 m³/s |
| 7 ft³/s | 0.1982 m³/s |
| 8 ft³/s | 0.2265 m³/s |
| 9 ft³/s | 0.2549 m³/s |
| 10 ft³/s | 0.2832 m³/s |
| 15 ft³/s | 0.4248 m³/s |
| 20 ft³/s | 0.5663 m³/s |
| 25 ft³/s | 0.7079 m³/s |
| 30 ft³/s | 0.8495 m³/s |
| 40 ft³/s | 1.1327 m³/s |
| 50 ft³/s | 1.4158 m³/s |
| 75 ft³/s | 2.1238 m³/s |
| 100 ft³/s | 2.8317 m³/s |
| Cubic Meter per Second | Cubic Foot per Second |
|---|---|
| 1 m³/s | 35.3147 ft³/s |
| 2 m³/s | 70.6293 ft³/s |
| 3 m³/s | 105.944 ft³/s |
| 4 m³/s | 141.2587 ft³/s |
| 5 m³/s | 176.5733 ft³/s |
| 6 m³/s | 211.888 ft³/s |
| 7 m³/s | 247.2027 ft³/s |
| 8 m³/s | 282.5173 ft³/s |
| 9 m³/s | 317.832 ft³/s |
| 10 m³/s | 353.1467 ft³/s |
| 15 m³/s | 529.72 ft³/s |
| 20 m³/s | 706.2933 ft³/s |
| 25 m³/s | 882.8667 ft³/s |
| 30 m³/s | 1059.44 ft³/s |
| 40 m³/s | 1412.5867 ft³/s |
| 50 m³/s | 1765.7333 ft³/s |
| 75 m³/s | 2648.6 ft³/s |
| 100 m³/s | 3531.4667 ft³/s |
About Cubic Foot per Second (ft³/s)
An imperial/US customary volumetric flow rate (cusec) equal to exactly 0.028316846592 m³/s.
History: Standard hydrologic streamflow and river gauge measurement in the US Geological Survey (USGS).
Common Uses: USGS river streamflow hydrographs, dam tailrace discharge, canal water rights allocation.
About Cubic Meter per Second (m³/s)
The SI coherent derived unit of volumetric flow rate (cumec), representing one cubic meter of fluid passing through a cross section each second.
History: Standard metric civil hydraulics unit formally defined by the CGPM.
Common Uses: River discharge measurements, dam spillway capacity, municipal storm water mains.
❓ Frequently Asked Questions
How many Cubic Meters per Second are in 1 Cubic Foot per Second?
There are exactly 0.028317 Cubic Meters per Second in 1 Cubic Foot per Second (1 ft³/s = 0.028317 m³/s).
What is the formula to convert Cubic Foot per Second to Cubic Meter per Second?
The formula is: Cubic Meter per Second = Cubic Foot per Second / 35.314667. Since 1 Cubic Meter per Second = 35.314667 Cubic Feet per Second, divide the value in Cubic Feet per Second by 35.314667.
How do I convert 1 ft³/s to m³/s manually?
To convert 1 ft³/s to m³/s: apply the formula Cubic Meter per Second = Cubic Foot per Second / 35.314667. Substituting gives: 1 / 35.314667 = 0.0283 m³/s.