Cubic feet per minute (ft3/min) to Litres per hour (l/h) conversion

Cubic feet per minute to Litres per hour conversion table

Cubic feet per minute (ft3/min)Litres per hour (l/h)
00
11699.0099199289
23398.0198398577
35097.0297597866
46796.0396797155
58495.0495996444
610194.059519573
711893.069439502
813592.079359431
915291.08927936
1016990.099199289
2033980.198398577
3050970.297597866
4067960.396797155
5084950.495996444
60101940.59519573
70118930.69439502
80135920.79359431
90152910.8927936
100169900.99199289
10001699009.9199289

How to convert cubic feet per minute to litres per hour?

Sure! To convert cubic feet per minute (CFM) to liters per hour (L/h), you need to follow these steps:

  1. Convert cubic feet to liters:

    • 1 cubic foot is equal to 28.3168 liters.
  2. Convert time units from minutes to hours:

    • There are 60 minutes in an hour.

Here's the conversion formula:

Liters per hour (L/h)=Cubic feet per minute (CFM)×28.3168(liters per cubic foot)×60(minutes per hour)\text{Liters per hour (L/h)} = \text{Cubic feet per minute (CFM)} \times 28.3168 \, (\text{liters per cubic foot}) \times 60 \, (\text{minutes per hour})

Now, let's convert 1 cubic foot per minute (CFM) to liters per hour (L/h):

1CFM×28.3168Lft3×60minh=1699.008L/h1 \, \text{CFM} \times 28.3168 \, \frac{\text{L}}{\text{ft}^3} \times 60 \, \frac{\text{min}}{\text{h}} = 1699.008 \, \text{L/h}

So, 1 CFM is equal to 1699.008 L/h.

Real World Examples for Other Quantities of CFM

Here are some examples:

Example 1: Small Room Ventilation

A small room ventilation fan has an airflow rate of 2 CFM.

  • Convert to L/h: 2CFM×28.3168×60=3398.016L/h2 \, \text{CFM} \times 28.3168 \times 60 = 3398.016 \, \text{L/h}

Example 2: Kitchen Exhaust Fan

A standard kitchen exhaust fan might have an airflow rate of around 50 CFM.

  • Convert to L/h: 50CFM×28.3168×60=84950.4L/h50 \, \text{CFM} \times 28.3168 \times 60 = 84950.4 \, \text{L/h}

Example 3: Industrial HVAC System

An industrial HVAC system might have an airflow rate of 5000 CFM.

  • Convert to L/h: 5000CFM×28.3168×60=8495040L/h5000 \, \text{CFM} \times 28.3168 \times 60 = 8495040 \, \text{L/h}

These conversions can help you understand the magnitude of airflow in different types of applications and systems.

See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Litres per hour to other unit conversions.

What is cubic feet per minute?

What is Cubic feet per minute?

Cubic feet per minute (CFM) is a unit of measurement that expresses the volume of a substance (usually air or gas) flowing per minute. It's commonly used to measure airflow in ventilation, HVAC systems, and other industrial processes. Understanding CFM helps in selecting appropriate equipment and ensuring efficient system performance.

Understanding Cubic Feet per Minute (CFM)

Definition

CFM defines the amount of cubic feet that passes through a specific area in one minute. It is a standard unit for measuring volume flow rate in the United States.

How it is formed?

CFM is derived from the units of volume (cubic feet, ft3ft^3) and time (minutes, min). Therefore, 1 CFM means one cubic foot of a substance passes a specific point every minute.

Formula

The relationship between volume, time, and CFM can be expressed as:

CFM=Volume(ft3)Time(minutes)CFM = \frac{Volume (ft^3)}{Time (minutes)}

Real-World Applications and Examples

HVAC Systems

  • Home Ventilation: A typical bathroom exhaust fan might have a CFM rating of 50-100, depending on the bathroom's size. This ensures adequate removal of moisture and odors.
  • Air Conditioners: The CFM rating of a central air conditioning system is crucial for proper cooling. For instance, a 2.5-ton AC unit might require around 1000 CFM to effectively cool a space.
  • Furnaces: Furnaces use CFM to ensure proper airflow across the heat exchanger, maintaining efficiency and preventing overheating.

Industrial Applications

  • Pneumatic Tools: Air compressors powering pneumatic tools (like nail guns or impact wrenches) are often rated by CFM delivered at a certain pressure (PSI). For example, a heavy-duty impact wrench might require 5 CFM at 90 PSI.
  • Spray Painting: Air compressors used for spray painting need a specific CFM to atomize the paint properly. An automotive paint job may require a compressor delivering 10-15 CFM at 40 PSI.
  • Dust Collection: Dust collection systems in woodworking shops use CFM to extract sawdust and debris from the air, maintaining a clean and safe working environment. A small shop might use a system with 600-800 CFM.

Other Examples

  • Computer Cooling: Fans used to cool computer components (CPUs, GPUs) are rated in CFM to indicate how much air they can move across the heat sink.
  • Leaf Blowers: Leaf blowers are often specified by CFM, indicating their ability to move leaves and debris.

Interesting Facts

Standard Conditions

When comparing CFM values, it's important to note the conditions under which they were measured. Standard conditions for airflow are typically at a specific temperature and pressure (e.g., Standard Temperature and Pressure, or STP).

Conversion to Other Units

CFM can be converted to other volume flow rate units, such as cubic meters per hour (m3/hm^3/h) or liters per second (L/s), using appropriate conversion factors.

  • 1 CFM ≈ 1.699 m3/hm^3/h
  • 1 CFM ≈ 0.472 L/s

Relationship to Velocity

CFM is related to air velocity and the cross-sectional area of the flow. The formula linking these is:

CFM=Area(ft2)×Velocity(ft/min)CFM = Area (ft^2) \times Velocity (ft/min)

This relationship is crucial in designing ductwork and ventilation systems to ensure proper airflow. You can find more about this relationship on engineering websites such as How to measure air volume flow or air velocity?

What is litres per hour?

Litres per hour (L/h) is a common unit for measuring the rate at which a volume of liquid flows. Understanding its meaning and applications can be helpful in various fields.

Understanding Litres per Hour (L/h)

Litres per hour (L/h) is a unit of volume flow rate. It indicates the volume of liquid, measured in litres, that passes a specific point in one hour. In simpler terms, it tells you how many litres of a substance are moving per hour.

Formation of the Unit

The unit is formed by combining two fundamental units:

  • Litre (L): A metric unit of volume, defined as the volume of one kilogram of pure water at its maximum density (approximately 4°C).
  • Hour (h): A unit of time, equal to 60 minutes or 3600 seconds.

Therefore, 1 L/h means that one litre of a substance flows past a point in one hour.

Formula and Calculation

The flow rate (QQ) in litres per hour can be calculated using the following formula:

Q=VtQ = \frac{V}{t}

Where:

  • QQ = Flow rate (L/h)
  • VV = Volume (L)
  • tt = Time (h)

Real-World Examples

Litres per hour are used in many practical applications.

  • Water Usage: A household might use 500 L/h when all taps, showers, and appliances are running at once.
  • Medical Infusion: An IV drip might deliver medication at a rate of 0.1 L/h.
  • Fuel Consumption: A car might consume 5 L/h of fuel while idling.
  • Industrial Processes: A chemical plant might pump reactants at a rate of 2000 L/h into a reactor.
  • HVAC System: Condensate from a home air conditioner might drain at a rate of 1 L/h on a humid day.

Interesting Facts and Connections

While there isn't a specific "law" directly associated with litres per hour, the concept of flow rate is central to fluid dynamics, which is governed by laws like the Navier-Stokes equations. These equations describe the motion of viscous fluids and are fundamental in engineering and physics.

Conversion

Often, you might need to convert between L/h and other flow rate units. Here are some common conversions:

  • 1 L/h = 0.001 m3m^3/h (cubic meters per hour)
  • 1 L/h ≈ 0.264 US gallons per hour

Complete Cubic feet per minute conversion table

Enter # of Cubic feet per minute
Convert 1 ft3/min to other unitsResult
Cubic feet per minute to Cubic Millimeters per second (ft3/min to mm3/s)471947.19998024
Cubic feet per minute to Cubic Centimeters per second (ft3/min to cm3/s)471.94719998024
Cubic feet per minute to Cubic Decimeters per second (ft3/min to dm3/s)0.4719471999802
Cubic feet per minute to Cubic Decimeters per minute (ft3/min to dm3/min)28.316831998815
Cubic feet per minute to Cubic Decimeters per hour (ft3/min to dm3/h)1699.0099199289
Cubic feet per minute to Cubic Decimeters per day (ft3/min to dm3/d)40776.238078293
Cubic feet per minute to Cubic Decimeters per year (ft3/min to dm3/a)14893520.958096
Cubic feet per minute to Millilitres per second (ft3/min to ml/s)471.94719998024
Cubic feet per minute to Centilitres per second (ft3/min to cl/s)47.194719998024
Cubic feet per minute to Decilitres per second (ft3/min to dl/s)4.7194719998024
Cubic feet per minute to Litres per second (ft3/min to l/s)0.4719471999802
Cubic feet per minute to Litres per minute (ft3/min to l/min)28.316831998815
Cubic feet per minute to Litres per hour (ft3/min to l/h)1699.0099199289
Cubic feet per minute to Litres per day (ft3/min to l/d)40776.238078293
Cubic feet per minute to Litres per year (ft3/min to l/a)14893520.958096
Cubic feet per minute to Kilolitres per second (ft3/min to kl/s)0.0004719471999802
Cubic feet per minute to Kilolitres per minute (ft3/min to kl/min)0.02831683199881
Cubic feet per minute to Kilolitres per hour (ft3/min to kl/h)1.6990099199289
Cubic feet per minute to Cubic meters per second (ft3/min to m3/s)0.0004719471999802
Cubic feet per minute to Cubic meters per minute (ft3/min to m3/min)0.02831683199881
Cubic feet per minute to Cubic meters per hour (ft3/min to m3/h)1.6990099199289
Cubic feet per minute to Cubic meters per day (ft3/min to m3/d)40.776238078293
Cubic feet per minute to Cubic meters per year (ft3/min to m3/a)14893.520958096
Cubic feet per minute to Cubic kilometers per second (ft3/min to km3/s)4.7194719998024e-13
Cubic feet per minute to Teaspoons per second (ft3/min to tsp/s)95.7506
Cubic feet per minute to Tablespoons per second (ft3/min to Tbs/s)31.916866666667
Cubic feet per minute to Cubic inches per second (ft3/min to in3/s)28.800117906793
Cubic feet per minute to Cubic inches per minute (ft3/min to in3/min)1728.0070744076
Cubic feet per minute to Cubic inches per hour (ft3/min to in3/h)103680.42446446
Cubic feet per minute to Fluid Ounces per second (ft3/min to fl-oz/s)15.958433333333
Cubic feet per minute to Fluid Ounces per minute (ft3/min to fl-oz/min)957.506
Cubic feet per minute to Fluid Ounces per hour (ft3/min to fl-oz/h)57450.36
Cubic feet per minute to Cups per second (ft3/min to cup/s)1.9948041666667
Cubic feet per minute to Pints per second (ft3/min to pnt/s)0.9974020833333
Cubic feet per minute to Pints per minute (ft3/min to pnt/min)59.844125
Cubic feet per minute to Pints per hour (ft3/min to pnt/h)3590.6475
Cubic feet per minute to Quarts per second (ft3/min to qt/s)0.4987010416667
Cubic feet per minute to Gallons per second (ft3/min to gal/s)0.1246752604167
Cubic feet per minute to Gallons per minute (ft3/min to gal/min)7.480515625
Cubic feet per minute to Gallons per hour (ft3/min to gal/h)448.8309375
Cubic feet per minute to Cubic feet per second (ft3/min to ft3/s)0.01666666666667
Cubic feet per minute to Cubic feet per hour (ft3/min to ft3/h)60
Cubic feet per minute to Cubic yards per second (ft3/min to yd3/s)0.0006172830432927
Cubic feet per minute to Cubic yards per minute (ft3/min to yd3/min)0.03703698259756
Cubic feet per minute to Cubic yards per hour (ft3/min to yd3/h)2.2222189558537

Volume flow rate conversions