Convert US gallons per hour to Acre-feet per hour
Convert US gallons per hour (gph) to Acre-feet per hour (ac-ft/h) instantly and accurately.
Conversion Formula
ac-ft/h = gph × 3.068883277e-6
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.
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.
Quick Reference Table
| US gallons per hour (gph) | Acre-feet per hour (ac-ft/h) |
|---|---|
| 1 gph | 3.069 × 10-6 ac-ft/h |
| 2 gph | 6.138 × 10-6 ac-ft/h |
| 5 gph | 1.534 × 10-5 ac-ft/h |
| 10 gph | 3.069 × 10-5 ac-ft/h |
| 25 gph | 7.672 × 10-5 ac-ft/h |
| 50 gph | 0.000153444 ac-ft/h |
| 100 gph | 0.000306888 ac-ft/h |