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

1 CFM = 7.481 GPM

How many Gallons per Minute in a Cubic Foot per Minute?Printable chart →

Understanding flow rates is crucial for various applications, from HVAC systems to irrigation. With a conversion factor of 1 CFM equaling 7.48051 GPM, you can easily switch between these measurements for precise calculations.

Cubic Foot per Minute (CFM)

Gallon per Minute (GPM)

7.480511

≈ 7 31/64 GPM

Conversion Formula

GPM = CFM × 7.48051

Reverse: CFM = GPM × 0.133681

Quick mental math: To estimate GPM from CFM, multiply the CFM value by 7.48; for quick calculations, remember that 10 CFM roughly equals 75 GPM.

Conversion Examples

1 CFM × 7.48051 =

7.481 GPM

1 Cubic Feet per Minute = 7.481 Gallons per Minute

5 CFM × 7.48051 =

37.403 GPM

5 Cubic Feet per Minute = 37.403 Gallons per Minute

10 CFM × 7.48051 =

74.805 GPM

10 Cubic Feet per Minute = 74.805 Gallons per Minute

25 CFM × 7.48051 =

187.013 GPM

25 Cubic Feet per Minute = 187.013 Gallons per Minute

50 CFM × 7.48051 =

374.026 GPM

50 Cubic Feet per Minute = 374.026 Gallons per Minute

100 CFM × 7.48051 =

748.051 GPM

100 Cubic Feet per Minute = 748.051 Gallons per Minute

Cubic Foot per Minute to Gallon per Minute Table

Quick convert your value:

CFM =—GPM

Start:Step:Rows:Precision:

Cubic Foot per Minute (CFM)	Gallon per Minute (GPM)	Fraction
1	7.4805	7 31/64
2	14.961	14 31/32
3	22.4415	22 7/16
4	29.922	29 59/64
5	37.4026	37 13/32
6	44.8831	44 57/64
7	52.3636	52 23/64
8	59.8441	59 27/32
9	67.3246	67 21/64
10	74.8051	74 13/16
11	82.2856	82 9/32
12	89.7661	89 49/64
13	97.2466	97 1/4
14	104.7271	104 47/64
15	112.2077	112 13/64
16	119.6882	119 11/16
17	127.1687	127 11/64
18	134.6492	134 21/32
19	142.1297	142 1/8
20	149.6102	149 39/64

Unit Definitions

What is a Cubic Foot per Minute (CFM)?

ImperialUnited States, United Kingdom

Cubic Foot per Minute (CFM) measures the volume of air moving per minute, commonly used in ventilation and HVAC systems.

History

The concept of cubic feet as a unit of volume has been around for centuries, and CFM emerged as a standard measure in the 20th century as air quality became a focus in engineering.

Current Use

Today, CFM is widely used in various applications, including HVAC design, environmental assessments, and industrial processes.

Learn more about Cubic Foot per Minute

What is a Gallon per Minute (GPM)?

US CustomaryUnited States

Gallon per Minute (GPM) measures the flow rate of liquids, particularly in plumbing, irrigation, and water treatment systems.

History

The gallon as a unit of measurement has roots in the early medieval period, with GPM becoming a standard in the 20th century to quantify liquid flow.

Current Use

GPM is extensively used in agricultural settings, plumbing, and various industries to ensure adequate water supply and system efficiency.

Learn more about Gallon per Minute

Frequently Asked Questions

How do I convert 20 CFM to GPM?

To convert 20 CFM to GPM, you'll multiply 20 by the conversion factor of 7.48051. This results in 149.6102 GPM. This conversion is particularly useful in situations like measuring the flow rate of a water pump in a garden, ensuring you have the right pressure for your irrigation system.

What is the GPM equivalent of 5 CFM in cooking?

Cooking often requires precise measurements of liquid flow. For instance, if you have a ventilation system moving 5 CFM, you would convert that to GPM by multiplying 5 by 7.48051, yielding approximately 37.40255 GPM. This information can help chefs understand air circulation in commercial kitchens for better food safety.

Can you provide a real-world application for converting CFM to GPM?

In construction, understanding airflow is essential for safety and efficiency. If your air blower operates at 15 CFM, converting this to GPM gives you about 112.20765 GPM. This conversion can help you determine how effectively the equipment will ventilate a space under construction, ensuring safe working conditions.

How does CFM relate to GPM in fitness equipment?

In fitness, some equipment uses air flow to provide resistance. If a machine operates at 10 CFM, when converted to GPM, it equals around 74.8051 GPM. This helps gym managers assess whether the air circulation is sufficient for maintaining a comfortable environment for users during intense workouts.

What if I want to convert 30 GPM to CFM?

To convert from GPM back to CFM, you can use the reverse conversion factor of 0.133681. Thus, 30 GPM multiplied by 0.133681 gives you approximately 4.01043 CFM. This conversion might be required when calculating the airflow in a ventilation system to ensure it meets building codes.

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 Cubic Foot per Minute to Other Units

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

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