Convert Cubic feet per minute to Acre-feet per minute
Convert Cubic feet per minute (ft³/min) to Acre-feet per minute (ac-ft/min) instantly and accurately.
Conversion Formula
ac-ft/min = ft³/min × 2.295684114e-5
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 Acre-feet per minute
The acre-foot per minute (ac-ft/min) equals 1233.48183754752/60 ≈ 20.558 m³/s, encountered in large irrigation canal capacity descriptions and reservoir emergency spillway sizing in the US West. A major canal gate releasing 1 ac-ft/min drains a 1-acre field 1 foot deep every minute - a substantial agricultural flow. 1 ac-ft/min ≈ 20.558 m³/s ≈ 726.0 ft³/s.
Quick Reference Table
| Cubic feet per minute (ft³/min) | Acre-feet per minute (ac-ft/min) |
|---|---|
| 1 ft³/min | 2.296 × 10-5 ac-ft/min |
| 2 ft³/min | 4.591 × 10-5 ac-ft/min |
| 5 ft³/min | 0.000114784 ac-ft/min |
| 10 ft³/min | 0.000229568 ac-ft/min |
| 25 ft³/min | 0.000573921 ac-ft/min |
| 50 ft³/min | 0.00114784 ac-ft/min |
| 100 ft³/min | 0.00229568 ac-ft/min |