How to convert gallons per minute to cubic feet per second
ft³/s = gpm × 0.002228009259Multiply the value in gallons per minute by 0.002228009259. To go the other way, multiply by 448.8311688 (or divide by 0.002228009259).
An US gallon per minute is smaller than a cubic foot per second: it takes 448.8311688 gallons per minute to make one cubic foot per second.
Worked examples
- 1 US gallon per minute1 gpm × 0.002228009259 = 0.002228009259 ft³/s
- 5 gallons per minute5 gpm × 0.002228009259 = 0.0111400463 ft³/s
- 10 gallons per minute10 gpm × 0.002228009259 = 0.02228009259 ft³/s
- 20 gallons per minute20 gpm × 0.002228009259 = 0.04456018519 ft³/s
- 100 gallons per minute100 gpm × 0.002228009259 = 0.2228009259 ft³/s
Gallons per minute to cubic feet per second conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Gallons per minute (gpm) | Cubic feet per second (ft³/s) |
|---|---|
| 0.1 gpm | 0.00022280093 ft³/s |
| 0.25 gpm | 0.00055700231 ft³/s |
| 0.5 gpm | 0.0011140046 ft³/s |
| 1 gpm | 0.0022280093 ft³/s |
| 2 gpm | 0.0044560185 ft³/s |
| 3 gpm | 0.0066840278 ft³/s |
| 4 gpm | 0.008912037 ft³/s |
| 5 gpm | 0.011140046 ft³/s |
| 6 gpm | 0.013368056 ft³/s |
| 7 gpm | 0.015596065 ft³/s |
| 8 gpm | 0.017824074 ft³/s |
| 9 gpm | 0.020052083 ft³/s |
| 10 gpm | 0.022280093 ft³/s |
| Gallons per minute (gpm) | Cubic feet per second (ft³/s) |
|---|---|
| 12 gpm | 0.026736111 ft³/s |
| 15 gpm | 0.033420139 ft³/s |
| 20 gpm | 0.044560185 ft³/s |
| 25 gpm | 0.055700231 ft³/s |
| 30 gpm | 0.066840278 ft³/s |
| 40 gpm | 0.08912037 ft³/s |
| 50 gpm | 0.11140046 ft³/s |
| 75 gpm | 0.16710069 ft³/s |
| 100 gpm | 0.22280093 ft³/s |
| 250 gpm | 0.55700231 ft³/s |
| 500 gpm | 1.1140046 ft³/s |
| 1,000 gpm | 2.2280093 ft³/s |
About the units
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).
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).
Frequently asked questions
How many cubic feet per second are in one US gallon per minute?
There are 0.002228009259 cubic feet per second in one US gallon per minute, and this value is exact by definition.
How do I convert gallons per minute to cubic feet per second?
Multiply the number of gallons per minute by 0.002228009259. For example, 10 gpm × 0.002228009259 = 0.02228009259 ft³/s.
How many gallons per minute are in one cubic foot per second?
One cubic foot per second equals 448.8311688 gallons per minute. That is the reverse factor, 1 ÷ 0.002228009259.
What is 10 gallons per minute in cubic feet per second?
10 gpm = 0.02228009259 ft³/s.
Is this gpm to ft³/s 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 gallons per minute to other units
- Gallons per minute to liters per minute
- Gallons per minute to cubic feet per minute
- Gallons per minute to cubic meters per hour
- Gallons per minute to liters per second
- Gallons per minute to cubic meters per second
- Gallons per minute to gallons per hour