How to convert cubic feet per second to gallons per minute
gpm = ft³/s × 448.8311688Multiply the value in cubic feet per second by 448.8311688. To go the other way, multiply by 0.002228009259 (or divide by 448.8311688).
A cubic foot per second is larger than an US gallon per minute: one cubic foot per second contains 448.8311688 gallons per minute.
Worked examples
- 1 cubic foot per second1 ft³/s × 448.8311688 = 448.8311688 gpm
- 5 cubic feet per second5 ft³/s × 448.8311688 = 2,244.155844 gpm
- 10 cubic feet per second10 ft³/s × 448.8311688 = 4,488.311688 gpm
- 20 cubic feet per second20 ft³/s × 448.8311688 = 8,976.623377 gpm
- 100 cubic feet per second100 ft³/s × 448.8311688 = 44,883.11688 gpm
Cubic feet per second to gallons per minute conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Cubic feet per second (ft³/s) | Gallons per minute (gpm) |
|---|---|
| 0.1 ft³/s | 44.883117 gpm |
| 0.25 ft³/s | 112.20779 gpm |
| 0.5 ft³/s | 224.41558 gpm |
| 1 ft³/s | 448.83117 gpm |
| 2 ft³/s | 897.66234 gpm |
| 3 ft³/s | 1,346.4935 gpm |
| 4 ft³/s | 1,795.3247 gpm |
| 5 ft³/s | 2,244.1558 gpm |
| 6 ft³/s | 2,692.987 gpm |
| 7 ft³/s | 3,141.8182 gpm |
| 8 ft³/s | 3,590.6494 gpm |
| 9 ft³/s | 4,039.4805 gpm |
| 10 ft³/s | 4,488.3117 gpm |
| Cubic feet per second (ft³/s) | Gallons per minute (gpm) |
|---|---|
| 12 ft³/s | 5,385.974 gpm |
| 15 ft³/s | 6,732.4675 gpm |
| 20 ft³/s | 8,976.6234 gpm |
| 25 ft³/s | 11,220.779 gpm |
| 30 ft³/s | 13,464.935 gpm |
| 40 ft³/s | 17,953.247 gpm |
| 50 ft³/s | 22,441.558 gpm |
| 75 ft³/s | 33,662.338 gpm |
| 100 ft³/s | 44,883.117 gpm |
| 250 ft³/s | 112,207.79 gpm |
| 500 ft³/s | 224,415.58 gpm |
| 1,000 ft³/s | 448,831.17 gpm |
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 minute (gpm)
The standard US unit for pumps, wells and fixtures; about 3.785 L/min. One US gallon per minute equals 0.0000630901964 cubic meters per second (m³/s).
Frequently asked questions
How many gallons per minute are in one cubic foot per second?
There are 448.8311688 gallons per minute in one cubic foot per second, and this value is exact by definition.
How do I convert cubic feet per second to gallons per minute?
Multiply the number of cubic feet per second by 448.8311688. For example, 10 ft³/s × 448.8311688 = 4,488.311688 gpm.
How many cubic feet per second are in one US gallon per minute?
One US gallon per minute equals 0.002228009259 cubic feet per second. That is the reverse factor, 1 ÷ 448.8311688.
What is 10 cubic feet per second in gallons per minute?
10 ft³/s = 4,488.311688 gpm.
Is this ft³/s to gpm 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 hour
- Cubic feet per second to cubic feet per minute