Gas Flow Rate Conversion Calculator

To convert gas flow rate, use the following approximate conversions:

• 1 CFM ≈ 0.1337 GPM
• 1 CFM ≈ 28.32 LPM
• 1 GPM ≈ 7.48 CFM
• 1 GPM ≈ 3.785 LPM
• 1 LPM ≈ 0.0353 GPM
• 1 LPM ≈ 0.2642 CFM

These conversions are useful when working with gas flow rates in different units such as Cubic Feet per Minute (CFM), Gallons per Minute (GPM), and Liters per Minute (LPM).

CFM (Cubic Feet per Minute)	GPM (Gallons per Minute)	LPM (Liters per Minute)
1 CFM	≈ 0.1337 GPM	≈ 28.32 LPM
10 CFM	≈ 1.337 GPM	≈ 283.2 LPM
100 CFM	≈ 13.37 GPM	≈ 2832 LPM
1000 CFM	≈ 133.7 GPM	≈ 28,320 LPM
1 GPM	≈ 7.48 CFM	≈ 3.785 LPM
10 GPM	≈ 74.8 CFM	≈ 37.85 LPM
100 GPM	≈ 748 CFM	≈ 378.5 LPM
1 LPM	≈ 0.0353 GPM	≈ 0.2642 CFM
10 LPM	≈ 0.3531 GPM	≈ 2.6416 CFM
100 LPM	≈ 3.5313 GPM	≈ 26.416 CFM

FAQs

How do you calculate gas flow rate? The gas flow rate can be calculated using the following formula: Flow Rate (in cubic feet per minute, CFM) = Velocity (in feet per minute, FPM) x Cross-sectional Area (in square feet, sq ft)

How do you convert flow to GPM? To convert flow to Gallons Per Minute (GPM), you need to know the density of the fluid or gas. The formula is: GPM = Flow Rate (in cubic feet per minute, CFM) x Density (in pounds per cubic foot, lb/ft³) / 7.48 (approximate conversion factor)

What is the formula for flow rate conversion? Flow Rate (in GPM) = Flow Rate (in CFM) x Density (in lb/ft³) / 7.48

How do you convert flow rate to CFM? To convert flow rate to CFM, you can use the formula: CFM = Flow Rate (in GPM) x 7.48 (approximate conversion factor) / Density (in lb/ft³)

What is the flow rate of a gas? The flow rate of a gas depends on various factors, including pressure, temperature, and the characteristics of the gas itself. It is typically measured in CFM or GPM.

What is the normal flow rate of gas? The normal flow rate of gas can vary widely depending on the application, but for reference, residential natural gas service might have a flow rate of around 100,000 BTU/hr, which is equivalent to approximately 25 CFM.

How many GPM can a 1/2-inch pipe flow? A 1/2-inch pipe can typically flow around 5-7 GPM, but this can vary depending on factors such as pressure and pipe material.

How many GPM can a 1-inch pipe flow? A 1-inch pipe can flow approximately 12-18 GPM, but the exact flow rate may vary depending on factors like pressure and pipe material.

How do you calculate gallons from GPM? To calculate gallons from GPM, you can use the formula: Gallons = GPM x Time (in minutes)

What is the easiest way to calculate flow rate? The easiest way to calculate flow rate is to use a flow meter or measuring device designed for the specific fluid or gas you are working with. These devices provide accurate flow rate measurements without needing complex calculations.

What is a flow rate calculator? A flow rate calculator is a tool or software that helps you calculate flow rates for various fluids or gases based on input parameters such as velocity, cross-sectional area, density, and more.

What is the formula for flow rate per hour? Flow Rate per Hour (in GPH or gallons per hour) = Flow Rate (in GPM) x 60 (minutes per hour)

What is the flow rate of 1 CFM? 1 CFM (cubic foot per minute) is a measure of flow rate, but the exact quantity it represents depends on the specific gas or fluid being measured and its conditions. CFM is a volumetric flow rate.

Is CFM the same as flow rate? CFM (Cubic Feet per Minute) is a unit of flow rate. It measures the volume of air or gas passing through a specific point in one minute.

What is the formula for calculating CFM? CFM = Flow Rate (in cubic feet) / Time (in minutes)

What is ideal gas flow equations? The ideal gas flow equation is typically described by the Ideal Gas Law: PV = nRT Where: P = Pressure V = Volume n = Number of moles of gas R = Universal gas constant T = Temperature in Kelvin

What is the formula for volumetric flow rate of a gas? The formula for volumetric flow rate of a gas is: Volumetric Flow Rate (in CFM) = (Mass Flow Rate in lb/s) / (Density of gas in lb/ft³)

What is an acceptable flow rate? Acceptable flow rates vary depending on the application. For example, in residential plumbing, acceptable flow rates for faucets may be around 2-3 GPM, while a shower might require 2.5-4 GPM.

How many gallons per minute is 80 psi? The flow rate at 80 psi pressure can vary depending on the pipe size and restrictions. As an estimate, you might expect around 12-15 GPM at 80 psi for a typical residential water supply.

What is the maximum flow rate for a 3/4-inch pipe? A 3/4-inch pipe can typically handle a maximum flow rate of around 8-12 GPM, depending on factors like pressure and pipe material.

What is the flow rate of a 1-inch line? A 1-inch line can have a flow rate of approximately 12-18 GPM, but it can vary based on factors such as pressure and pipe material.

What is the GPM of a 2-inch pipe? A 2-inch pipe can have a flow rate of approximately 30-40 GPM, but this can vary depending on factors like pressure and pipe material.

How many gallons does a 2-inch pipe flow per foot? The flow rate of a 2-inch pipe per foot will depend on the velocity of the fluid or gas. As a rough estimate, it could be around 0.5 to 1.5 GPM per foot.

Does pipe size affect GPM? Yes, pipe size can significantly affect GPM. Larger pipes can handle higher flow rates, while smaller pipes will have lower flow rates for the same pressure and conditions.

How do you convert GPM to pipe size? Converting GPM to pipe size involves considering the desired flow rate, pressure, and the type of fluid or gas being transported. There isn’t a simple one-to-one conversion because pipe size selection depends on various factors, including allowable friction loss and system requirements. Consulting engineering standards or using pipe sizing software is recommended for accurate sizing.

How do I calculate gallons in a pipe? To calculate the volume of gallons in a pipe, you need to know the pipe’s length and cross-sectional area. The formula is: Gallons = Cross-sectional Area (in square feet) x Length (in feet) x 7.48 (approximate conversion factor)

How do you calculate GPM based on PSI and pipe size? Calculating GPM based on PSI and pipe size involves considering the hydraulic characteristics of the system, including the pipe material, length, and fittings. You would typically use engineering formulas or specialized software for hydraulic calculations to determine the GPM for a given system.