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

1 GPM = 0.134 CFM

How many Cubic Feet per Minute in a Gallon per Minute?Printable chart →

Understanding flow rates is crucial in various applications, from irrigation to HVAC systems. To convert Gallons per Minute (GPM) to Cubic Feet per Minute (CFM), use the conversion factor of 1 GPM = 0.133681 CFM. This conversion can help in optimizing efficiency and ensuring proper system design.

Gallon per Minute (GPM)

Cubic Foot per Minute (CFM)

0.133681

≈ 9/64 CFM

Conversion Formula

CFM = GPM × 0.133681

Reverse: GPM = CFM × 7.48051

Quick mental math: For a quick mental conversion, divide GPM by 7.48 to get an approximate CFM value.

Conversion Examples

1 GPM × 0.133681 =

0.134 CFM

1 Gallons per Minute = 0.134 Cubic Feet per Minute

5 GPM × 0.133681 =

0.668 CFM

5 Gallons per Minute = 0.668 Cubic Feet per Minute

10 GPM × 0.133681 =

1.337 CFM

10 Gallons per Minute = 1.337 Cubic Feet per Minute

25 GPM × 0.133681 =

3.342 CFM

25 Gallons per Minute = 3.342 Cubic Feet per Minute

50 GPM × 0.133681 =

6.684 CFM

50 Gallons per Minute = 6.684 Cubic Feet per Minute

100 GPM × 0.133681 =

13.368 CFM

100 Gallons per Minute = 13.368 Cubic Feet per Minute

Gallon per Minute to Cubic Foot per Minute Table

Quick convert your value:

GPM =—CFM

Start:Step:Rows:Precision:

Gallon per Minute (GPM)	Cubic Foot per Minute (CFM)	Fraction
1	0.1337	9/64
6	0.8021	51/64
11	1.4705	1 15/32
16	2.1389	2 9/64
21	2.8073	2 13/16
26	3.4757	3 15/32
31	4.1441	4 9/64
36	4.8125	4 13/16
41	5.4809	5 31/64
46	6.1493	6 5/32
51	6.8177	6 13/16
56	7.4861	7 31/64
61	8.1545	8 5/32
66	8.8229	8 53/64
71	9.4913	9 31/64
76	10.1597	10 5/32
81	10.8281	10 53/64
86	11.4965	11 1/2
91	12.1649	12 11/64
96	12.8333	12 53/64

Unit Definitions

What is a Gallon per Minute (GPM)?

US CustomaryUnited States

A Gallon per Minute (GPM) is a unit measuring the flow rate of liquid, indicating how many gallons flow in one minute.

History

The gallon has origins dating back to the Roman Empire, where it was defined as a measure of liquid capacity. GPM became a standard measurement in the United States for various applications, including plumbing and irrigation.

Current Use

Today, GPM is commonly used in water systems, irrigation, and industrial applications to quantify fluid flow.

Learn more about Gallon per Minute

What is a Cubic Foot per Minute (CFM)?

ImperialUnited States, United Kingdom

Cubic Foot per Minute (CFM) is a unit of measurement for the volumetric flow rate, indicating how many cubic feet of air or gas flow in one minute.

History

CFM originated from the need to quantify airflow in HVAC systems and other industrial processes. It became standardized as air conditioning and ventilation systems grew in complexity.

Current Use

CFM is widely used in HVAC design, environmental studies, and aerodynamics to ensure proper air circulation and quality.

Learn more about Cubic Foot per Minute

Frequently Asked Questions

How do I convert my water pump's flow rate from GPM to CFM?

To convert your water pump's flow rate, you can use the conversion factor of 1 GPM = 0.133681 CFM. For example, if your pump delivers 50 GPM, you would calculate 50 GPM * 0.133681 = 6.68405 CFM. This means that your pump is delivering approximately 6.68 CFM of water. Understanding this conversion is vital for ensuring your pump meets the requirements of your irrigation system.

What if I need to know the CFM for an HVAC system based on GPM?

In HVAC applications, knowing the flow rate in CFM is essential for proper air distribution. If your system operates at 100 GPM, you can convert this to CFM by multiplying by 0.133681, giving you 13.3681 CFM. This information is crucial for designing ductwork and ensuring adequate airflow for heating or cooling in a building.

Can you provide an example from cooking that involves GPM to CFM conversion?

In cooking, especially when using industrial mixers or blenders, understanding flow rates can ensure optimal performance. Imagine your mixer operates at a flow rate of 30 GPM. If you convert this to CFM, it would be 30 GPM * 0.133681 = 4.01043 CFM. This helps chefs understand how quickly they can mix ingredients without compromising consistency.

How can I use this conversion in construction projects?

In construction, determining the flow rate of concrete pumps is critical. If a pump delivers 200 GPM, converting this to CFM means 200 GPM * 0.133681 = 26.7362 CFM. Knowing this allows builders to coordinate the supply and placement of concrete more effectively, ensuring timely project completion.

Is there a fitness application for converting GPM to CFM?

Yes, in fitness, water flow rates can be relevant for hydration stations at events. If a hydration station dispenses 10 GPM, converting this gives 10 GPM * 0.133681 = 1.33681 CFM. This helps organizers estimate how quickly they can provide water to participants, ensuring adequate hydration during races or marathons.

Popular Flow Rate Conversions

Liter per Minute to Gallon per MinuteL/min → GPM Gallon per Minute to Liter per MinuteGPM → L/min Liter per Minute to Cubic Meter per HourL/min → m³/h Cubic Meter per Hour to Liter per Minutem³/h → L/min Liter per Second to Liter per MinuteL/s → L/min Cubic Foot per Minute to Liter per MinuteCFM → L/min

Convert Gallon per Minute to Other Units

Gallon per Minute to Liter per Second→ L/s Gallon per Minute to Liter per Hour→ L/h Gallon per Minute to Cubic Meter per Hour→ m³/h Gallon per Minute to Cubic Meter per Second→ m³/s Gallon per Minute to Liter per Second→ L/s Gallon per Minute to Liter per Hour→ L/h Gallon per Minute to Cubic Meter per Hour→ m³/h Gallon per Minute to Cubic Meter per Second→ m³/s

Related Conversions

Liter per Minute to Gallon per MinuteL/min → GPM Liter per Minute to Cubic Foot per MinuteL/min → CFM Liter per Second to Gallon per MinuteL/s → GPM Liter per Second to Cubic Foot per MinuteL/s → CFM Liter per Hour to Gallon per MinuteL/h → GPM