Convert Liters per Second (L/s) to Cubic Feet per Minute (CFM)

1 L/s = 2.119 CFM

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

Converting liters per second (L/s) to cubic feet per minute (CFM) is essential for various applications, including HVAC and fluid dynamics. The conversion factor is 1 L/s = 2.11888 CFM, allowing for quick calculations. Whether you're working on a construction project or optimizing your home ventilation, understanding this conversion can enhance efficiency.

Liter per Second (L/s)

Cubic Foot per Minute (CFM)

2.118883

≈ 2 1/8 CFM

Conversion Formula

CFM = L/s × 2.11888

Reverse: L/s = CFM × 0.471947

Quick mental math: For a quick estimate, remember that 1 L/s is roughly 2.1 CFM.

Conversion Examples

1 L/s × 2.11888 =

2.119 CFM

1 Liters per Second = 2.119 Cubic Feet per Minute

5 L/s × 2.11888 =

10.594 CFM

5 Liters per Second = 10.594 Cubic Feet per Minute

10 L/s × 2.11888 =

21.189 CFM

10 Liters per Second = 21.189 Cubic Feet per Minute

25 L/s × 2.11888 =

52.972 CFM

25 Liters per Second = 52.972 Cubic Feet per Minute

50 L/s × 2.11888 =

105.944 CFM

50 Liters per Second = 105.944 Cubic Feet per Minute

100 L/s × 2.11888 =

211.888 CFM

100 Liters per Second = 211.888 Cubic Feet per Minute

Liter per Second to Cubic Foot per Minute Table

Quick convert your value:

L/s =—CFM

Start:Step:Rows:Precision:

Liter per Second (L/s)	Cubic Foot per Minute (CFM)	Fraction
1	2.1189	2 1/8
2	4.2378	4 15/64
3	6.3567	6 23/64
4	8.4755	8 15/32
5	10.5944	10 19/32
6	12.7133	12 23/32
7	14.8322	14 53/64
8	16.9511	16 61/64
9	19.07	19 1/16
10	21.1888	21 3/16
11	23.3077	23 5/16
12	25.4266	25 27/64
13	27.5455	27 35/64
14	29.6644	29 43/64
15	31.7833	31 25/32
16	33.9021	33 29/32
17	36.021	36 1/64
18	38.1399	38 9/64
19	40.2588	40 17/64
20	42.3777	42 3/8

Unit Definitions

What is a Liter per Second (L/s)?

Metric (SI)Worldwide

A liter per second (L/s) is a metric unit of flow rate representing the volume of liquid flowing each second.

History

The liter, a standard unit of volume in the metric system, was officially defined in 1795. The second, as a unit of time, has been used for centuries.

Current Use

L/s is commonly used in various fields including engineering, environmental science, and fluid dynamics.

Learn more about Liter per Second

What is a Cubic Foot per Minute (CFM)?

ImperialUnited States, United Kingdom

A cubic foot per minute (CFM) is a unit of flow rate representing the volume of air or gas flowing each minute.

History

The cubic foot has been used as a volume measurement since the early 19th century, primarily in the U.S. and the UK, while the minute is a standard time measure.

Current Use

CFM is widely utilized in heating, ventilation, and air conditioning (HVAC) systems, as well as in various industrial applications.

Learn more about Cubic Foot per Minute

Frequently Asked Questions

How do I convert 10 L/s to CFM for my HVAC system?

To convert 10 L/s to CFM, you would multiply by the conversion factor of 2.11888. Thus, 10 L/s equals 21.1888 CFM. This conversion is crucial when determining the airflow needed for heating or cooling systems. For instance, if your HVAC unit requires this flow rate, ensuring it meets 21.1888 CFM can enhance indoor air quality.

What is the flow rate in CFM if my water pump operates at 5 L/s?

For a water pump operating at 5 L/s, you calculate the flow rate in CFM by multiplying by 2.11888. Therefore, 5 L/s equals 10.5944 CFM. This information is vital when selecting the right pump for irrigation or draining tasks. If your garden requires a flow of 10.5944 CFM, this ensures adequate water supply.

Can you explain how to convert 15 L/s to CFM for my fitness center's air ventilation?

To convert 15 L/s to CFM, multiply by 2.11888, resulting in 31.7832 CFM. This measurement is important for maintaining optimal air quality in a fitness center. If your center's ventilation system needs to achieve 31.7832 CFM, ensuring your fans or air handlers can deliver this rate is essential for a comfortable workout environment.

What does 1 CFM mean in terms of liters per second for a kitchen exhaust fan?

To find out how many liters per second 1 CFM equals, you reverse the conversion, resulting in approximately 0.471947 L/s. For a kitchen exhaust fan that requires 1 CFM, it would effectively remove about 0.471947 liters of air every second. Understanding this conversion helps in selecting fans that adequately ventilate cooking areas.

How can I apply these conversions when calculating the airflow in a construction project?

In construction, knowing how to convert L/s to CFM can aid in ensuring proper ventilation for safe work conditions. For example, if your construction site requires 20 L/s of airflow, this converts to 42.3776 CFM. Using this measurement, you can select air movers that meet or exceed this flow rate, ensuring a safe and comfortable working environment.

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 Liter per Second to Other Units

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

Related Conversions

Liter per Minute to Liter per SecondL/min → L/s Liter per Minute to Cubic Foot per MinuteL/min → CFM Liter per Second to Liter per MinuteL/s → L/min Liter per Second to Liter per HourL/s → L/h Liter per Second to Cubic Meter per HourL/s → m³/h