How to convert cubic feet per second to gallons per hour
gph = ft³/s × 26,929.87013Multiply the value in cubic feet per second by 26,929.87013. To go the other way, multiply by 0.00003713348765 (or divide by 26,929.87013).
A cubic foot per second is larger than an US gallon per hour: one cubic foot per second contains 26,929.87013 gallons per hour.
Worked examples
- 1 cubic foot per second1 ft³/s × 26,929.87013 = 26,929.87013 gph
- 5 cubic feet per second5 ft³/s × 26,929.87013 = 134,649.3506 gph
- 10 cubic feet per second10 ft³/s × 26,929.87013 = 269,298.7013 gph
- 20 cubic feet per second20 ft³/s × 26,929.87013 = 538,597.4026 gph
- 100 cubic feet per second100 ft³/s × 26,929.87013 = 2,692,987.013 gph
Cubic feet per second to gallons per hour conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Cubic feet per second (ft³/s) | Gallons per hour (gph) |
|---|---|
| 0.1 ft³/s | 2,692.987 gph |
| 0.25 ft³/s | 6,732.4675 gph |
| 0.5 ft³/s | 13,464.935 gph |
| 1 ft³/s | 26,929.87 gph |
| 2 ft³/s | 53,859.74 gph |
| 3 ft³/s | 80,789.61 gph |
| 4 ft³/s | 107,719.48 gph |
| 5 ft³/s | 134,649.35 gph |
| 6 ft³/s | 161,579.22 gph |
| 7 ft³/s | 188,509.09 gph |
| 8 ft³/s | 215,438.96 gph |
| 9 ft³/s | 242,368.83 gph |
| 10 ft³/s | 269,298.7 gph |
| Cubic feet per second (ft³/s) | Gallons per hour (gph) |
|---|---|
| 12 ft³/s | 323,158.44 gph |
| 15 ft³/s | 403,948.05 gph |
| 20 ft³/s | 538,597.4 gph |
| 25 ft³/s | 673,246.75 gph |
| 30 ft³/s | 807,896.1 gph |
| 40 ft³/s | 1,077,194.8 gph |
| 50 ft³/s | 1,346,493.5 gph |
| 75 ft³/s | 2,019,740.3 gph |
| 100 ft³/s | 2,692,987 gph |
| 250 ft³/s | 6,732,467.5 gph |
| 500 ft³/s | 13,464,935 gph |
| 1,000 ft³/s | 26,929,870 gph |
About the units
Cubic foot per second (ft³/s)
The cubic foot per second (ft³/s) is a unit of volumetric flow rate in the US customary system. One cubic foot per second equals 0.02831684659 cubic meters per second (m³/s).
US gallon per hour (gph)
The US gallon per hour (gph) is a unit of volumetric flow rate in the US customary system. One US gallon per hour equals 0.000001051503273 cubic meters per second (m³/s).
Frequently asked questions
How many gallons per hour are in one cubic foot per second?
There are 26,929.87013 gallons per hour in one cubic foot per second, and this value is exact by definition.
How do I convert cubic feet per second to gallons per hour?
Multiply the number of cubic feet per second by 26,929.87013. For example, 10 ft³/s × 26,929.87013 = 269,298.7013 gph.
How many cubic feet per second are in one US gallon per hour?
One US gallon per hour equals 0.00003713348765 cubic feet per second. That is the reverse factor, 1 ÷ 26,929.87013.
What is 10 cubic feet per second in gallons per hour?
10 ft³/s = 269,298.7013 gph.
Is this ft³/s to gph converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.
Convert cubic feet per second to other units
- Cubic feet per second to cubic meters per second
- Cubic feet per second to cubic meters per hour
- Cubic feet per second to liters per second
- Cubic feet per second to liters per minute
- Cubic feet per second to gallons per minute
- Cubic feet per second to cubic feet per minute