Convert Acre-feet per minute to UK gallons per second
Convert Acre-feet per minute (ac-ft/min) to UK gallons per second (gal/s) instantly and accurately.
Conversion Formula
gal/s = ac-ft/min × 4522.134543
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 UK gallons per second
The UK (imperial) gallon per second (gal/s) equals 4.54609×10⁻³ m³/s, about 20% larger than the US gallon per second. It appears in pre-metric British fire-fighting standards, large pump test certificates, and naval engineering calculations. A UK fire engine pump rated 1 000 UK gal/min delivers ≈16.67 UK gal/s. 1 UK gal/s = 4.54609×10⁻³ m³/s ≈ 1.201 US gal/s.
Quick Reference Table
| Acre-feet per minute (ac-ft/min) | UK gallons per second (gal/s) |
|---|---|
| 1 ac-ft/min | 4522.13 gal/s |
| 2 ac-ft/min | 9044.27 gal/s |
| 5 ac-ft/min | 22610.7 gal/s |
| 10 ac-ft/min | 45221.3 gal/s |
| 25 ac-ft/min | 113053 gal/s |
| 50 ac-ft/min | 226107 gal/s |
| 100 ac-ft/min | 452213 gal/s |