cfs to m³/s Converter
Enter the flow rate in cfs below to convert it to m³/s.
Convert cfs to m³/s
Enter a value in cfs (ft³/s) to convert to m³/s (m³/s).
Cubic Feet per Second to Cubic Meters per Second Conversion Table
Table showing various cubic feet per second measurements converted to m³/s. Click any preset value or arrow to load it into the converter.
| cfs (ft³/s) | m³/s (m³/s) |
|---|---|
| 1 ft³/s | 0.0283168 m³/s |
| 2 ft³/s | 0.0566337 m³/s |
| 2.5 ft³/s | 0.0707921 m³/s |
| 5 ft³/s | 0.1415842 m³/s |
| 10 ft³/s | 0.2831685 m³/s |
| 15 ft³/s | 0.4247527 m³/s |
| 20 ft³/s | 0.5663369 m³/s |
| 25 ft³/s | 0.7079212 m³/s |
| 30 ft³/s | 0.8495054 m³/s |
| 50 ft³/s | 1.4158423 m³/s |
How to Convert cfs to m³/s
To convert cfs to m³/s, multiply the flow rate by the following conversion ratio: 0.0283168 m³/s/cubic feet per second.
Since one cubic feet per second is equal to 0.0283168 m³/s, you can use this simple formula to convert:
The flow rate in m³/s is equal to the flow rate in cfs multiplied by 0.0283168.
For example, here's how to convert 5 cfs to m³/s using the formula above.
How Many m³/s Are in a Cubic Feet per Second?
There are 0.0283168 m³/s in a cubic feet per second, which is why we use this value in the formula above.
Our cubic feet per second to cubic meters per second calculator automatically converts your flow rate measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
cfs and m³/s are both units used to measure flow rate. Keep reading to learn more about each unit.
What Is a Cubic Feet per Second?
A cubic feet per second is a unit of flow rate equal to 1,699.0107955 liters per minute (L/min), the base unit for flow rate. River hydrology flow unit equal to 28.3168 L/s. [1]
The cubic feet per second is classified as a US customary unit of flow rate. cfs can be abbreviated as ft³/s; for example, 1 cubic feet per second can be written as 1 ft³/s.
When working with cfs (ft³/s) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, cfs (ft³/s) are widely used across large-scale industrial, bulk, and macro-level flow rate specifications within US customary workflows, engineering documentation, and technical data sheets.
What Is a Cubic Meters per Second?
A cubic meters per second is a unit of flow rate equal to 60,000 liters per minute (L/min), the base unit for flow rate. Coherent SI flow unit equal to 1,000 L/s (60,000 L/min). [2]
The cubic meters per second is classified as an International System of Units (SI) unit of flow rate. m³/s can be abbreviated as m³/s; for example, 1 cubic meters per second can be written as 1 m³/s.
When working with m³/s (m³/s) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, m³/s (m³/s) are widely used across large-scale industrial, bulk, and macro-level flow rate specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
When converting flow rate between cfs (ft³/s) and m³/s (m³/s), keep full floating-point precision (1 ft³/s = 0.0283168 m³/s; 1 m³/s = 35.3146667 ft³/s) during intermediate calculations and round only the final cubic meters per second figure to match your instrument tolerance.
More Cubic Feet per Second & Cubic Meters per Second Conversions
Need to calculate in the opposite direction? Use our m³/s to cfs calculator to switch your starting unit immediately. You can also explore related tools such as converting m³/s to cfs, converting gpm (us) to m³/s, or converting liters per minute to gpm (us).
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Volume Divided by Time))·Flow Rate Metrology Standard — cfs (ft³/s) to m³/s (m³/s)
- [2]NIST OWM SpecificationNIST OWM (SI Units — Volume & Flow Capacity)·Unit Specifications: Cubic Feet per Second (cfs) (ft³/s) & Cubic Meters per Second (m³/s)
- [3]BIPM ReferenceBIPM (Coherent Volumetric Flow Units (m³/s))·Conversion Factors & Mathematical Basis (ft³/s to m³/s)