Cubic Feet per Second to Gallons per Minute Converter
Convert cubic feet per second to US gallons per minute instantly. Type a value, change either unit, or press swap to go the other way. 1 cubic foot per second = 448.83117 US gallons per minute.
1 cubic foot per second = 448.83117 US gallons per minute
How to convert cubic feet per second to US gallons per minute
US gallons per minute = cubic feet per second × 448.8311688
To convert cubic feet per second to US gallons per minute, multiply the value by 448.8311688. To go back from US gallons per minute to cubic feet per second, divide by the same number (or multiply by 0.0022280093).
Worked examples
- 0.5 cfs: 0.5 × 448.8311688 = 224.41558 gpm
- 1 cfs: 1 × 448.8311688 = 448.83117 gpm
- 2 cfs: 2 × 448.8311688 = 897.66234 gpm
One cubic foot per second is roughly 449 gallons per minute. Multiply cfs by 450 for a quick estimate.
Cubic Feet per Second to Gallons per Minute conversion table
Cubic Feet per Second to Gallons per Minute
| cfs | gpm |
|---|---|
| 0.01 | 4.4883117 |
| 0.1 | 44.883117 |
| 0.5 | 224.41558 |
| 1 | 448.83117 |
| 2 | 897.66234 |
| 5 | 2,244.1558 |
| 10 | 4,488.3117 |
| 25 | 11,220.779 |
| 50 | 22,441.558 |
| 100 | 44,883.117 |
Gallons per Minute to Cubic Feet per Second
| gpm | cfs |
|---|---|
| 0.01 | 0.0000222801 |
| 0.1 | 0.0002228009 |
| 0.5 | 0.0011140046 |
| 1 | 0.0022280093 |
| 2 | 0.0044560185 |
| 5 | 0.011140046 |
| 10 | 0.022280093 |
| 25 | 0.055700231 |
| 50 | 0.11140046 |
| 100 | 0.22280093 |
Flow Rate equivalents
See how one cubic foot per second and one US gallon per minute compare with every other flow rate unit on the site.
1 cubic foot per second equals
| Unit | Value |
|---|---|
| cubic meters per second (m³/s) | 0.02831685 |
| cubic meters per hour (m³/h) | 101.9406 |
| liters per minute (L/min) | 1,699.011 |
| liters per second (L/s) | 28.31685 |
| US gallons per minute (gpm) | 448.8312 |
| cubic feet per minute (cfm) | 60 |
1 US gallon per minute equals
| Unit | Value |
|---|---|
| cubic meters per second (m³/s) | 0.0000630902 |
| cubic meters per hour (m³/h) | 0.2271247 |
| liters per minute (L/min) | 3.785412 |
| liters per second (L/s) | 0.0630902 |
| cubic feet per minute (cfm) | 0.1336806 |
| cubic feet per second (cfs) | 0.002228009 |
When you need to convert cubic feet per second to US gallons per minute
River and canal flows are reported in cubic feet per second by US hydrological services, while pumps, wells and irrigation systems are rated in gallons per minute. Converting lets you match a stream's flow with a pump, or understand how much water a river carries in practical terms.
About the units
Cubic foot per second (cfs)
Cubic feet per second is used for river flow and large water systems in the US.
US gallon per minute (gpm)
US gallons per minute is the standard unit for pumps, showers and irrigation in the United States.
Frequently asked questions
How do I convert cubic feet per second to US gallons per minute?
Multiply the number of cubic feet per second by 448.8311688. For example, 10 cubic feet per second × 448.8311688 = 4,488.311688 US gallons per minute.
How many US gallons per minute are in one cubic foot per second?
There are 448.8311688 US gallons per minute in one cubic foot per second.
How many cubic feet per second are in one US gallon per minute?
There are 0.0022280093 cubic feet per second in one US gallon per minute.
How many gallons per minute is one cubic foot per second?
One cubic foot per second equals 448.83 US gallons per minute, which is also about 28.3 liters per second.
Can I convert other flow rate units with this tool?
Yes. Use the From and To drop-downs in the converter to choose any flow rate unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.