Gallon (US)/minute to Cubic foot/minute Conversion Guide (GPM to CFM)
Performing a conversion from Gallon (US)/minute to Cubic foot/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 GPM to CFM without losing data integrity.
Conversion Table
| Gallon (US)/minute (GPM) | Cubic foot/minute (CFM) |
|---|---|
| 0.001 | 0.000133701 |
| 0.01 | 0.00133701 |
| 0.1 | 0.0133701 |
| 1 | 0.133701 |
| 5 | 0.668507 |
| 10 | 1.33701 |
| 50 | 6.68507 |
| 100 | 13.3701 |
| 500 | 66.8507 |
| 1000 | 133.701 |
Formula
To execute this calculation, the value in Gallon (US)/minute is first normalized to the base Flow Rate (Volume) unit (Cubic meter/second) before being scaled to Cubic foot/minute. The direct multiplier for Gallon (US)/minute to Cubic foot/minute is determined by the ratio of their scientific definitions.
Examples
For instance, 1 GPM is strictly defined as roughly 0.13370145376493547 CFM. If you are dealing with a larger scale, such as 50 GPM, the resulting CFM value maintains this exact linear proportionality.
Reverse Formula
The inverse conversion (Cubic foot/minute back to Gallon (US)/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 GPM to CFM calculations is the misapplication of unit prefixes (like centi- or milli-). Additionally, confusing Gallon (US)/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 Gallon (US)/minute to Cubic foot/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 Gallon (US)/minute being used in raw material procurement or Cubic foot/minute being required for final product labeling, accurate data flow is essential for project interoperability.
Frequently Asked Questions
What is the exact ratio of Gallon (US)/minute to Cubic foot/minute?
One Gallon (US)/minute is equal to 0.13370145376493547 Cubic foot/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.