Cubic foot/minute to Gallon (US)/minute Conversion Guide (CFM to GPM)
Performing a conversion from Cubic foot/minute to Gallon (US)/minute requires an understanding of the relationship between their respective flow rate (volume) magnitudes. This guide provides the exact computation parameters needed to transition from CFM to GPM without losing data integrity.
Conversion Table
| Cubic foot/minute (CFM) | Gallon (US)/minute (GPM) |
|---|---|
| 0.001 | 0.00747935 |
| 0.01 | 0.0747935 |
| 0.1 | 0.747935 |
| 1 | 7.47935 |
| 5 | 37.3968 |
| 10 | 74.7935 |
| 50 | 373.968 |
| 100 | 747.935 |
| 500 | 3739.68 |
| 1000 | 7479.35 |
Formula
To execute this calculation, the value in Cubic foot/minute is first normalized to the base Flow Rate (Volume) unit (Cubic meter/second) before being scaled to Gallon (US)/minute. The direct multiplier for Cubic foot/minute to Gallon (US)/minute is determined by the ratio of their scientific definitions.
Examples
For instance, 1 CFM is strictly defined as roughly 7.479350237717908 GPM. If you are dealing with a larger scale, such as 50 CFM, the resulting GPM value maintains this exact linear proportionality.
Reverse Formula
The inverse conversion (Gallon (US)/minute back to Cubic foot/minute) is equally valid and uses the reciprocal of the primary ratio. Our interface allows you to toggle this direction instantly to verify both sides of the Flow Rate (Volume) equation.
Common Mistakes
The most frequent error in CFM to GPM calculations is the misapplication of unit prefixes (like centi- or milli-). Additionally, confusing Cubic foot/minute with similar units in different systems (like US vs. Imperial) can lead to significant discrepancies.
Accuracy Notes
At FastConverto, we use a 64-bit floating-point engine. For the Cubic foot/minute to Gallon (US)/minute transition, this means your results are processed with enough precision to satisfy even rigorous laboratory requirements, though most users will find 2-4 decimal places sufficient for practical use.
Industry Use
This specific conversion is a staple in Flow Rate (Volume)-heavy industries. Whether it's Cubic foot/minute being used in raw material procurement or Gallon (US)/minute being required for final product labeling, accurate data flow is essential for project interoperability.
Frequently Asked Questions
What is the exact ratio of Cubic foot/minute to Gallon (US)/minute?
One Cubic foot/minute is equal to 7.479350237717908 Gallon (US)/minute.
Does the conversion factor ever change?
No. These definitions are fixed by international measurement treaties and standard bodies.
How many decimals should I use?
For standard tasks, 2 decimals are common. For scientific work, we recommend keeping all significant figures provided by our calculator.