Convert Acre-feet per minute to US gallons per second
Convert Acre-feet per minute (ac-ft/min) to US gallons per second (gal/s) instantly and accurately.
Conversion Formula
gal/s = ac-ft/min × 5430.857143
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.
About US gallons per second
The US gallon per second (gal/s) equals 3.785411784×10⁻³ m³/s, used for very large pump discharge rates and fire-suppression deluge systems. A large centrifugal fire pump rated 1 500 US gal/min delivers exactly 25 US gal/s; industrial cooling-tower makeup lines are sized in gal/s at peak demand. 1 US gal/s = 3.785411784×10⁻³ m³/s = 60 US gal/min ≈ 227.1 L/min.
Quick Reference Table
| Acre-feet per minute (ac-ft/min) | US gallons per second (gal/s) |
|---|---|
| 1 ac-ft/min | 5430.86 gal/s |
| 2 ac-ft/min | 10861.7 gal/s |
| 5 ac-ft/min | 27154.3 gal/s |
| 10 ac-ft/min | 54308.6 gal/s |
| 25 ac-ft/min | 135771 gal/s |
| 50 ac-ft/min | 271543 gal/s |
| 100 ac-ft/min | 543086 gal/s |