Convert Acre-feet per hour to US gallons per hour
Convert Acre-feet per hour (ac-ft/h) to US gallons per hour (gph) instantly and accurately.
Conversion Formula
gph = ac-ft/h × 325851.4286
About Acre-feet per hour
The acre-foot per hour (ac-ft/h) equals 1233.48183754752/3600 ≈ 0.34263 m³/s, standard for sizing irrigation district delivery canals, reservoir outflow scheduling, and aquifer recharge basin calculations in the western US. The US Bureau of Reclamation uses ac-ft/h for canal operational planning; a 1 000-acre farm irrigating with 0.5 in/h rain-equivalent receives ≈41 ac-ft/h. 1 ac-ft/h ≈ 0.34263 m³/s.
About US gallons per hour
The US gallon per hour (gph) equals 3.785411784×10⁻³/3600 ≈ 1.051×10⁻⁶ m³/s, common in oil-burner nozzle ratings, water-softener regeneration, and RV/marine-plumbing specifications. Residential oil-burner nozzles are rated in gph (e.g., 0.75 gph, 1.00 gph); a small boat bilge pump might handle 200-500 gph. 1 US gph ≈ 1.052×10⁻⁶ m³/s ≈ 3.785 L/h.
Quick Reference Table
| Acre-feet per hour (ac-ft/h) | US gallons per hour (gph) |
|---|---|
| 1 ac-ft/h | 325851 gph |
| 2 ac-ft/h | 651703 gph |
| 5 ac-ft/h | 1629260 gph |
| 10 ac-ft/h | 3258510 gph |
| 25 ac-ft/h | 8146290 gph |
| 50 ac-ft/h | 16292600 gph |
| 100 ac-ft/h | 32585100 gph |