How to convert cubic feet per minute to gallons per minute
gpm = CFM × 7.480519481Multiply the value in cubic feet per minute by 7.480519481. To go the other way, multiply by 0.1336805556 (or divide by 7.480519481).
A cubic foot per minute is larger than an US gallon per minute: one cubic foot per minute contains 7.480519481 gallons per minute.
Worked examples
- 1 cubic foot per minute1 CFM × 7.480519481 = 7.480519481 gpm
- 5 cubic feet per minute5 CFM × 7.480519481 = 37.4025974 gpm
- 10 cubic feet per minute10 CFM × 7.480519481 = 74.80519481 gpm
- 20 cubic feet per minute20 CFM × 7.480519481 = 149.6103896 gpm
- 100 cubic feet per minute100 CFM × 7.480519481 = 748.0519481 gpm
Cubic feet per minute to gallons per minute conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Cubic feet per minute (CFM) | Gallons per minute (gpm) |
|---|---|
| 0.1 CFM | 0.74805195 gpm |
| 0.25 CFM | 1.8701299 gpm |
| 0.5 CFM | 3.7402597 gpm |
| 1 CFM | 7.4805195 gpm |
| 2 CFM | 14.961039 gpm |
| 3 CFM | 22.441558 gpm |
| 4 CFM | 29.922078 gpm |
| 5 CFM | 37.402597 gpm |
| 6 CFM | 44.883117 gpm |
| 7 CFM | 52.363636 gpm |
| 8 CFM | 59.844156 gpm |
| 9 CFM | 67.324675 gpm |
| 10 CFM | 74.805195 gpm |
| Cubic feet per minute (CFM) | Gallons per minute (gpm) |
|---|---|
| 12 CFM | 89.766234 gpm |
| 15 CFM | 112.20779 gpm |
| 20 CFM | 149.61039 gpm |
| 25 CFM | 187.01299 gpm |
| 30 CFM | 224.41558 gpm |
| 40 CFM | 299.22078 gpm |
| 50 CFM | 374.02597 gpm |
| 75 CFM | 561.03896 gpm |
| 100 CFM | 748.05195 gpm |
| 250 CFM | 1,870.1299 gpm |
| 500 CFM | 3,740.2597 gpm |
| 1,000 CFM | 7,480.5195 gpm |
About the units
Cubic foot per minute (CFM)
The US unit for fan, blower and air-compressor flow; about 1.699 m³/h. One cubic foot per minute equals 0.0004719474432 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 minute?
There are 7.480519481 gallons per minute in one cubic foot per minute, and this value is exact by definition.
How do I convert cubic feet per minute to gallons per minute?
Multiply the number of cubic feet per minute by 7.480519481. For example, 10 CFM × 7.480519481 = 74.80519481 gpm.
How many cubic feet per minute are in one US gallon per minute?
One US gallon per minute equals 0.1336805556 cubic feet per minute. That is the reverse factor, 1 ÷ 7.480519481.
What is 10 cubic feet per minute in gallons per minute?
10 CFM = 74.80519481 gpm.
Is this CFM 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.