Convert Cubic feet per minute to Cubic metres per second
Convert Cubic feet per minute (ft³/min) to Cubic metres per second (m³/s) instantly and accurately.
Conversion Formula
m³/s = ft³/min × 0.0004719474432
About Cubic feet per minute
The cubic foot per minute (cfm or ft³/min) equals 0.028316846592/60 ≈ 4.719×10⁻⁴ m³/s, the dominant unit for ventilation, HVAC airflow, and compressed-air system design in the US. ASHRAE ventilation standards, building-code fresh-air requirements, and dust-collector capacity are all stated in cfm. A residential HVAC system moves 800-1 200 cfm; an industrial dust collector handles 2 000-20 000 cfm. 1 cfm ≈ 0.4719 L/s.
About Cubic metres per second
The cubic metre per second (m³/s) is the SI coherent unit of volumetric flow rate. It is used for large river discharges, turbine inlet flows, and major pipeline capacities. The Amazon River at its mouth averages ≈200 000 m³/s; a large hydroelectric turbine passes 400-800 m³/s; a major municipal water-main carries 5-20 m³/s. 1 m³/s = 1 000 L/s ≈ 15 850 US gal/min = 35.315 ft³/s.
Quick Reference Table
| Cubic feet per minute (ft³/min) | Cubic metres per second (m³/s) |
|---|---|
| 1 ft³/min | 0.000471947 m³/s |
| 2 ft³/min | 0.000943895 m³/s |
| 5 ft³/min | 0.00235974 m³/s |
| 10 ft³/min | 0.00471947 m³/s |
| 25 ft³/min | 0.0117987 m³/s |
| 50 ft³/min | 0.0235974 m³/s |
| 100 ft³/min | 0.0471947 m³/s |