L/min to CFM Converter - Fast & Accurate

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Quick Conversions

L/min to CFM Conversion Formula

From Liters per Minute to Cubic Feet per Minute:

CFM = L/min × 0.0353147

From Cubic Feet per Minute to Liters per Minute:

L/min = CFM × 28.3168

Conversion Examples

Example 1: Convert 100 L/min to CFM

100 L/min × 0.0353147 = 3.53147 CFM

Example 2: Convert 50 CFM to L/min

50 CFM × 28.3168 = 1,415.84 L/min

Example 3: Convert 250 L/min to CFM

250 L/min × 0.0353147 = 8.828675 CFM

L/min to CFM Conversion Chart

Liters per Minute (L/min)	Cubic Feet per Minute (CFM)
1	0.0353
5	0.1766
10	0.3531
20	0.7063
30	1.0594
40	1.4126
50	1.7657
75	2.6486
100	3.5315
150	5.2972
200	7.0629
250	8.8287
300	10.5944
500	17.6573
750	26.4860
1000	35.3147

CFM to L/min Conversion Chart

Cubic Feet per Minute (CFM)	Liters per Minute (L/min)
1	28.32
2	56.63
5	141.58
10	283.17
15	424.75
20	566.34
25	707.92
30	849.50
40	1132.67
50	1415.84
75	2123.76
100	2831.68
150	4247.53
200	5663.37

What are L/min and CFM?

Liters per Minute (L/min) is a metric unit measuring volumetric flow rate, indicating how many liters of fluid pass through a point in one minute. It is widely used in medical equipment, aquarium systems, water pumps, and smaller HVAC applications.

Cubic Feet per Minute (CFM) is an imperial unit measuring the volume of air or gas flowing per minute. It is commonly used in HVAC systems, ventilation engineering, air compressors, and industrial applications throughout the United States.

Common Applications

Related Flow Rate Conversions

From	To	Multiply By
L/min	L/s	0.0167
L/min	L/h	60
L/min	m³/h	0.06
L/min	gal/min (US)	0.2642
L/min	gal/h (US)	15.85
CFM	ft³/h	60
CFM	m³/h	1.699
CFM	L/s	0.4719

Step-by-Step Conversion Process

Converting L/min to CFM:

Start with your L/min value
Multiply by the conversion factor 0.0353147
The result is your value in CFM
Round to desired decimal places

Converting CFM to L/min:

Start with your CFM value
Multiply by the conversion factor 28.3168
The result is your value in L/min
Round to desired decimal places

Popular Flow Rate Conversions

5 L/min to CFM: 5 × 0.0353147 = 0.176573 CFM
Common in medical oxygen concentrators

100 CFM to L/min: 100 × 28.3168 = 2831.68 L/min
Typical bathroom exhaust fan capacity

500 L/min to CFM: 500 × 0.0353147 = 17.6573 CFM
Standard aquarium filter flow rate

1000 L/min to CFM: 1000 × 0.0353147 = 35.3147 CFM
Industrial water pump capacity

Frequently Asked Questions

How many CFM is 1 L/min?

1 L/min equals approximately 0.0353147 CFM. This conversion factor is derived from the relationship between liters and cubic feet (1 cubic foot = 28.3168 liters).

How do you convert L/min to CFM?

To convert liters per minute to cubic feet per minute, multiply the L/min value by 0.0353147. For example, 50 L/min × 0.0353147 = 1.765735 CFM.

What is the formula for CFM to L/min?

To convert CFM to L/min, multiply the CFM value by 28.3168. The formula is: L/min = CFM × 28.3168.

Why is CFM used instead of L/min in the US?

CFM is part of the imperial measurement system traditionally used in the United States for HVAC and ventilation applications. L/min is part of the metric system used in most other countries.

Which is bigger: 1 CFM or 1 L/min?

1 CFM is significantly larger than 1 L/min. Specifically, 1 CFM equals 28.3168 L/min, meaning CFM represents a much higher flow rate.

How accurate is the L/min to CFM conversion?

The conversion factor 0.0353147 is highly accurate for standard conditions. For most practical applications, rounding to 0.0353 provides sufficient precision.

What industries commonly use L/min and CFM?

L/min is common in medical equipment, laboratory settings, and water systems. CFM is standard in HVAC, ventilation, air compressors, and industrial air handling systems.

Can I convert L/min to CFM for gas and liquid?

Yes, the conversion factor remains the same for both gases and liquids since it is purely a volumetric conversion. However, mass flow rates would differ based on density.

What is a typical CFM for home ventilation?

Bathroom exhaust fans typically range from 50-110 CFM, kitchen range hoods from 100-400 CFM, and whole-house ventilation systems from 60-200 CFM depending on home size.

How do temperature and pressure affect flow rate?

Temperature and pressure can affect the actual volumetric flow rate of gases. Standard CFM measurements assume standard temperature and pressure (STP) conditions. For precise applications, use SCFM (Standard CFM).