Convert US gallons per second to Acre-feet per day
Convert US gallons per second (gal/s) to Acre-feet per day (ac-ft/d) instantly and accurately.
Conversion Formula
ac-ft/d = gal/s × 0.2651515152
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.
About Acre-feet per day
The acre-foot per day (ac-ft/d) equals 1233.48183754752/86400 ≈ 0.014278 m³/s, the practical unit for daily water-delivery scheduling in western US irrigation districts and river-compact administration. Water rights in the Colorado River system are specified in acre-feet per year; daily delivery schedules convert to ac-ft/d. A moderate-size irrigation lateral delivers 5-50 ac-ft/d. 1 ac-ft/d ≈ 0.014278 m³/s ≈ 504.2 US gal/min.
Quick Reference Table
| US gallons per second (gal/s) | Acre-feet per day (ac-ft/d) |
|---|---|
| 1 gal/s | 0.265152 ac-ft/d |
| 2 gal/s | 0.530303 ac-ft/d |
| 5 gal/s | 1.32576 ac-ft/d |
| 10 gal/s | 2.65152 ac-ft/d |
| 25 gal/s | 6.62879 ac-ft/d |
| 50 gal/s | 13.2576 ac-ft/d |
| 100 gal/s | 26.5152 ac-ft/d |