Convert GPM to CFS quickly with this free GPM to CFS calculator. Just enter a flow rate in gallons per minute (GPM), choose the number of decimal places, and click convert to instantly see the result in cubic feet per second (CFS).
GPM to CFS Calculator
How to convert GPM to CFS?
The conversion is straightforward once you know the relationship between gallons and cubic feet.
- 1 cubic foot = 7.48052 U.S. gallons
- 1 minute = 60 seconds
GPM to CFS Formula
CFS=GPM÷448.83117
Examples
1000 GPM to CFS → 1000÷448.83117≈2.228
5000 GPM to CFS → 5000÷448.83117≈11.140
350 GPM to CFS → 350÷448.83117≈0.779
800 GPM to CFS → 800÷448.83117≈1.783
100 GPM to CFS → 100÷448.83117≈0.223
1500 GPM to CFS → 1500÷448.83117≈3.342
250 GPM to CFS → 250÷448.83117≈0.557
8 GPM to CFS → 8÷448.83117≈0.0178
20000 GPM to CFS → 20000÷448.83117≈44.560
3000 GPM to CFS → 3000÷448.83117≈6.684
18000 GPM to CFS → 18000÷448.83117≈40.104
GPM to CFS conversion chart
| Gallons per Minute (GPM) | Cubic Feet per Second (CFS) |
|---|---|
| 1 | 0.0022 |
| 10 | 0.0223 |
| 50 | 0.1114 |
| 100 | 0.2228 |
| 250 | 0.5570 |
| 500 | 1.1140 |
| 750 | 1.6710 |
| 1000 | 2.2280 |
| 1250 | 2.7850 |
| 1500 | 3.3420 |
| 2000 | 4.4560 |
| 3000 | 6.6840 |
| 5000 | 11.1400 |
Also see: Unit Converters