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

Understanding flow rates is essential in various applications, from HVAC systems to cooking. With a simple conversion factor of 1 CFM = 0.471947 L/s, you can easily switch between these two units. This guide will help you efficiently convert and utilize these measurements in practical scenarios.

0.471947

15/32 L/s

Formula: L/s = CFM × 0.471947

Conversion Formula

L/s = CFM × 0.471947

Reverse: CFM = L/s × 2.11888

Quick mental math: To estimate L/s from CFM, simply halve the CFM value and add a small percentage for accuracy.

Conversion Examples

1 CFM × 0.471947 =
0.472 L/s
1 Cubic Feet per Minute = 0.472 Liters per Second
5 CFM × 0.471947 =
2.36 L/s
5 Cubic Feet per Minute = 2.36 Liters per Second
10 CFM × 0.471947 =
4.719 L/s
10 Cubic Feet per Minute = 4.719 Liters per Second
25 CFM × 0.471947 =
11.799 L/s
25 Cubic Feet per Minute = 11.799 Liters per Second
50 CFM × 0.471947 =
23.597 L/s
50 Cubic Feet per Minute = 23.597 Liters per Second
100 CFM × 0.471947 =
47.195 L/s
100 Cubic Feet per Minute = 47.195 Liters per Second

Cubic Foot per Minute to Liter per Second Table

CFM =L/s
Cubic Foot per Minute (CFM)Liter per Second (L/s)
10.4719
62.8317
115.1914
167.5511
219.9109
2612.2706
3114.6303
3616.9901
4119.3498
4621.7095
5124.0693
5626.429
6128.7887
6631.1485
7133.5082
7635.8679
8138.2277
8640.5874
9142.9471
9645.3069

Unit Definitions

What is a Cubic Foot per Minute (CFM)?

ImperialUnited States, United Kingdom

Cubic Foot per Minute (CFM) is a measure of volumetric flow rate, indicating how many cubic feet of air or other gas passes through a point in one minute.

History

CFM has its origins in the early 20th century when industrial processes began standardizing flow measurements for efficiency. It became widely adopted in HVAC, manufacturing, and engineering fields.

Current Use

Today, CFM is commonly used in HVAC systems, exhaust fans, and various engineering applications to ensure adequate airflow.

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

Metric (SI)Worldwide

Liter per Second (L/s) is a metric unit of flow rate that indicates how many liters of fluid flow through a point in one second.

History

The liter as a unit has been in use since the late 18th century, stemming from the need for standardized measurements in trade and science. The liter per second unit gained popularity with the advancement of fluid dynamics studies.

Current Use

L/s is widely used in scientific research, environmental monitoring, and engineering, particularly in systems requiring precise fluid flow measurements.

Frequently Asked Questions

How many liters per second is 100 CFM?
To convert 100 CFM to liters per second, you multiply by the conversion factor of 0.471947. Thus, 100 CFM equals 47.1947 L/s. This conversion is particularly useful in HVAC systems where airflow calculations are crucial for optimal performance.
Why is converting CFM to L/s important in construction?
In construction projects, accurate airflow measurements are essential for ventilation and ensuring a safe environment. For example, if a construction site requires 200 CFM of airflow for proper ventilation, converting this to liters per second gives you approximately 94.3894 L/s. This helps in selecting the right equipment and ensuring compliance with safety standards.
How does CFM to L/s conversion apply in cooking?
In cooking, especially in commercial kitchens, understanding airflow can impact cooking efficiency. If a recipe calls for an extraction fan with a capacity of 150 CFM, that translates to about 70.632 L/s. This knowledge helps chefs ensure that their kitchens maintain proper circulation and remove excess heat and odors.
Can you provide an example of CFM to L/s in fitness?
In fitness, airflow in gym environments can affect comfort levels during workouts. If a gym's ventilation system is rated at 300 CFM, converting this to liters per second gives you around 141.5841 L/s. This conversion helps gym owners determine if their ventilation meets the needs of their clientele, ensuring a pleasant workout atmosphere.
How does this conversion help in scientific experiments?
In scientific experiments, particularly those involving gas flow, precise measurements are vital. For instance, if an experiment requires a gas flow of 50 CFM, converting that to liters per second results in about 23.5974 L/s. This conversion ensures that researchers can accurately replicate conditions and achieve reliable results.

Popular Flow Rate Conversions

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