Cubic Feet per Minute (CFM)	US Gallons per Minute (GPM)
1 CFM	7.4805 GPM
2 CFM	14.961 GPM
5 CFM	37.4026 GPM
10 CFM	74.8052 GPM
25 CFM	187.013 GPM
50 CFM	374.026 GPM
100 CFM	748.0519 GPM
250 CFM	1870.13 GPM
500 CFM	3740.26 GPM
1000 CFM	7480.52 GPM

Convert Cubic Feet per Minute to US Gallons per Minute

Convert cubic feet per minute to us gallons per minute (CFM to GPM) with our instant calculator. 1 CFM = 7.480519 GPM. Includes exact formula and reference tables.

How to Convert Cubic Feet per Minute to US Gallons per Minute (CFM to GPM)

1 Cubic Feet per Minute (CFM) is equal to 7.480519 US Gallons per Minute (GPM). Multiply the cubic feet per minute value by 7.480519481

Quick Answer 1 CFM = 7.480519 GPM

Formula GPM = CFM × 7.480519481

Inverse Factor 1 GPM = 0.133681 CFM

Unit Definitions & Metrology Context

The standard SI unit of volumetric flow rate is cubic meters per second (m³/s), representing the volume of fluid that passes through a given cross-sectional area per second.

About Cubic Feet per Minute (CFM): Cubic Feet per Minute (CFM) is a unit in the Volumetric Flow Rate measurement category. It is widely used in hvac airflow & pc cooling fans. Relative to the volumetric flow rate base unit, 1 CFM equals 0.000472 Cubic Meters per Second (m³/s).

About US Gallons per Minute (GPM): US Gallon per Minute (GPM) is a unit in the Volumetric Flow Rate measurement category. It is widely used in us plumbing, pumps & fire hydrants. Relative to the volumetric flow rate base unit, 1 GPM equals 0.000063 Cubic Meters per Second (m³/s).

Need to convert in the opposite direction? Visit our Convert US Gallons per Minute to Cubic Feet per Minute (GPM to CFM) calculator (1 GPM = 0.133681 CFM).

Step-by-Step Worked Examples (CFM to GPM)

Convert 5 Cubic Feet per Minute to US Gallons per Minute: Applying the formula (GPM = CFM × 7.480519481): starting with 5 CFM, multiply the cubic feet per minute value by 7.480519481 to get 37.4026 GPM.
Convert 10 Cubic Feet per Minute to US Gallons per Minute: Applying the formula (GPM = CFM × 7.480519481): starting with 10 CFM, multiply the cubic feet per minute value by 7.480519481 to get 74.8052 GPM.
Convert 50 Cubic Feet per Minute to US Gallons per Minute: Applying the formula (GPM = CFM × 7.480519481): starting with 50 CFM, multiply the cubic feet per minute value by 7.480519481 to get 374.026 GPM.

Popular Volumetric Flow Rate Conversions

Cubic Feet per Minute ⇄ Liter per Second

Multiply CFM by ~0.471947 to calculate airflow in liters per second (L/s).

Liter per Second ⇄ Cubic Feet per Minute

Multiply liters per second by ~2.11888 to calculate airflow in CFM.

US Gallon per Minute ⇄ Liter per Minute

Multiply US GPM by ~3.78541 to calculate flow in liters per minute (L/min).

Cubic Meter per Hour ⇄ Cubic Feet per Minute

Multiply cubic meters per hour by ~0.588578 to calculate airflow in CFM.

Cubic Feet per Minute ⇄ Cubic Meter per Hour

Multiply CFM by ~1.69901 to convert to cubic meters per hour (m³/h).

Frequently Asked Questions

Verified answers and formulas for converting cubic feet per minute to us gallons per minute.

How many us gallons per minute are in 1 cubic feet per minute?

There are 7.480519 us gallons per minute (GPM) in 1 cubic feet per minute (CFM). Conversely, 1 us gallon per minute equals 0.133681 cubic feet per minute.

How do you convert cubic feet per minute to us gallons per minute?

To convert cubic feet per minute (CFM) to us gallons per minute (GPM), use the formula: GPM = CFM × 7.480519481. Multiply the cubic feet per minute value by 7.480519481. For example, 10 CFM equals 74.8052 GPM.

How do I convert back from us gallons per minute to cubic feet per minute?

To convert in the reverse direction from us gallons per minute (GPM) to cubic feet per minute (CFM), use the inverse formula: CFM = GPM × 0.1336805556. Multiply the us gallon per minute value by 0.1336805556 (1 GPM = 0.133681 CFM).

What is the difference between cubic feet per minute (CFM) and us gallon per minute (GPM)?

Both cubic feet per minute and us gallon per minute measure volumetric flow rate. Cubic Feet per Minute (CFM) is a unit in the Volumetric Flow Rate measurement category. It is widely used in hvac airflow & pc cooling fans. Relative to the volumetric flow rate base unit, 1 CFM equals 0.000472 Cubic Meters per Second (m³/s). US Gallon per Minute (GPM) is a unit in the Volumetric Flow Rate measurement category. It is widely used in us plumbing, pumps & fire hydrants. Relative to the volumetric flow rate base unit, 1 GPM equals 0.000063 Cubic Meters per Second (m³/s).

How do you convert CFM to liters per second (L/s)?

Multiply the CFM value by 0.471947. For example, a 100 CFM ventilation fan moves approximately 47.19 L/s of air.