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

Litres per minute to Cubic feet per hour conversion table

Litres per minute (l/min)Cubic feet per hour (ft3/h)
00
12.1188810952621
24.2377621905241
36.3566432857862
48.4755243810483
510.59440547631
612.713286571572
714.832167666834
816.951048762097
919.069929857359
1021.188810952621
2042.377621905241
3063.566432857862
4084.755243810483
50105.9440547631
60127.13286571572
70148.32167666834
80169.51048762097
90190.69929857359
100211.88810952621
10002118.8810952621

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

Let's explore how to convert between Litres per minute (LPM) and Cubic feet per hour (CFH), which are both measures of volumetric flow rate.

Understanding the Conversion

Converting between different units of volumetric flow rate is vital in many fields, including engineering, HVAC (Heating, Ventilation, and Air Conditioning), and fluid dynamics. Converting L/min to ft3ft^3/hr, and vice versa, allows you to work with different measurement systems and standards, ensuring accuracy and consistency in calculations and applications.

Conversion Formulas and Steps

Here's how to convert between Litres per minute (LPM) and Cubic feet per hour (CFH):

Litres per minute (LPM) to Cubic feet per hour (CFH)

1 Litre (L) is approximately equal to 0.0353147 Cubic feet (ft3ft^3). 1 minute is equal to 1/60 hours.

Therefore, the conversion factor is:

1Lmin=0.0353147ft3L×60minhour1 \frac{L}{min} = 0.0353147 \frac{ft^3}{L} \times 60 \frac{min}{hour}

1Lmin2.118882ft3hour1 \frac{L}{min} \approx 2.118882 \frac{ft^3}{hour}

Step-by-step conversion:

  1. Multiply the value in Litres per minute by 0.0353147 to convert to Cubic feet per minute (ft3ft^3/min).
  2. Multiply the result by 60 to convert from Cubic feet per minute to Cubic feet per hour.

Example:

To convert 1 LPM to CFH:

1Lmin×0.0353147ft3L×60minhour2.118882ft3hour1 \frac{L}{min} \times 0.0353147 \frac{ft^3}{L} \times 60 \frac{min}{hour} \approx 2.118882 \frac{ft^3}{hour}

Cubic feet per hour (CFH) to Litres per minute (LPM)

To convert from Cubic feet per hour (CFH) to Litres per minute (LPM), we reverse the process:

1ft3hour=10.0353147Lft3×160hourmin1 \frac{ft^3}{hour} = \frac{1}{0.0353147} \frac{L}{ft^3} \times \frac{1}{60} \frac{hour}{min}

1ft3hour0.471947Lmin1 \frac{ft^3}{hour} \approx 0.471947 \frac{L}{min}

Step-by-step conversion:

  1. Divide the value in Cubic feet per hour by 60 to get Cubic feet per minute (ft3ft^3/min).
  2. Multiply the result by 28.3168 (since 1 ft3ft^3 is approximately 28.3168 Litres) to convert from Cubic feet per minute to Litres per minute.

Example:

To convert 1 CFH to LPM:

1ft3hour×160hourmin×28.3168Lft30.471947Lmin1 \frac{ft^3}{hour} \times \frac{1}{60} \frac{hour}{min} \times 28.3168 \frac{L}{ft^3} \approx 0.471947\frac{L}{min}

Real-world Examples

Here are some examples of scenarios where you might convert between LPM and CFH:

  1. Aquarium pumps: Converting the flow rate of aquarium pumps to ensure proper water circulation and filtration.
  2. HVAC systems: Calculating airflow rates in ventilation systems to ensure adequate air exchange in a building.
  3. Gas flow measurements: Converting gas flow rates in industrial processes, such as in chemical plants or manufacturing facilities.
  4. Medical devices: Determining the flow rate of oxygen or other gases in medical equipment like ventilators or anesthesia machines.

Interesting Facts

While there isn't a specific law or person directly associated with this particular unit conversion, the principles behind it are rooted in the fundamental laws of physics and fluid dynamics. The conversion relies on the precise definitions of the units involved and their relationships to each other.

Sources:

  • NIST (National Institute of Standards and Technology): Provides unit conversion tools and information. NIST - SI Units

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 Cubic feet per hour to other unit conversions.

What is Litres per minute?

Litres per minute (LPM) is a unit of volumetric flow rate, measuring the volume of liquid or gas that passes through a specific point in one minute. It is commonly used in various fields to quantify the rate of fluid transfer.

Understanding Litres per Minute (LPM)

LPM expresses how many litres of a substance flow through a given area in one minute. A litre is a unit of volume defined as 0.001 cubic meters, or 1000 cubic centimetres. Therefore, 1 LPM is equivalent to 1/1000 of a cubic meter per minute.

How is Litres per Minute Formed?

LPM is derived from the base units of volume (litres) and time (minutes). The formula to calculate flow rate in litres per minute is:

Flow Rate (LPM)=Volume (Litres)Time (Minutes)\text{Flow Rate (LPM)} = \frac{\text{Volume (Litres)}}{\text{Time (Minutes)}}

For example, if 50 litres of water flow out of a tap in one minute, the flow rate is 50 LPM.

Common Conversions

Here's a table of conversions between LPM and other common flow rate units:

Unit Conversion to LPM
1 Cubic Meter/Hour ≈ 16.67 LPM
1 Gallon/Minute (GPM) ≈ 3.785 LPM
1 Millilitre/Minute (mL/min) = 0.001 LPM

Real-World Applications and Examples

  • Medical Oxygen Delivery: Oxygen concentrators and ventilators often specify flow rates in LPM. A typical oxygen concentrator might deliver oxygen at a rate of 2-5 LPM.

  • Water Flow in a Household: The flow rate of water from a tap or showerhead is often measured in LPM. For instance, a water-saving showerhead might have a flow rate of 7-10 LPM.

  • Aquarium Filters: The performance of aquarium filters is often rated in LPM, indicating how quickly the filter can process the aquarium water. An aquarium filter might have a flow rate of 500 LPM.

  • HVAC Systems: Airflow in HVAC (Heating, Ventilation, and Air Conditioning) systems is sometimes specified in LPM, especially in smaller systems or components.

  • Industrial Processes: Many industrial processes involving fluids, such as chemical mixing or cooling, use LPM to measure and control flow rates.

Interesting Facts

While there isn't a specific "law" named after LPM, the principles of fluid dynamics and flow rate are governed by laws such as the Hagen-Poiseuille equation, which relates flow rate to pressure, viscosity, and dimensions of the pipe.

The measurement of flow rate has been crucial in the development of various technologies and industries, from water management to chemical engineering. The accurate measurement of flow is essential for efficiency, safety, and control in many processes. For more information on this, read the Fluid dynamics article from sciencelearn.org.nz.

What is Cubic feet per hour?

Cubic feet per hour (CFH) is a unit used to measure the volumetric flow rate. It represents the volume of a substance (gas or liquid) that passes through a specific area per hour, measured in cubic feet. It's a common unit in various fields, especially when dealing with gas and air flow.

Definition of Cubic Feet per Hour

Cubic feet per hour (CFH) is defined as the volume of a substance, measured in cubic feet, that flows past a point in one hour.

1 CFH=1ft3hour1 \text{ CFH} = 1 \frac{\text{ft}^3}{\text{hour}}

How CFH is Formed

CFH is derived from the basic units of volume (cubic feet) and time (hour). It directly expresses how many cubic feet of a substance move within one hour. No special law or constant is specifically tied to the definition of CFH itself. It is a direct measure of flow rate, useful in practical applications.

Calculating Volume Flow Rate

The volume flow rate (Q) in cubic feet per hour can be determined using the following formula:

Q=AvQ = A \cdot v

Where:

  • QQ = Volume flow rate (ft³/hour)
  • AA = Cross-sectional area of the flow (ft²)
  • vv = Average velocity of the flow (ft/hour)

Another way to calculate it is:

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

Where:

  • QQ = Volume flow rate (ft³/hour)
  • VV = Volume (ft³)
  • tt = Time (hours)

Real-World Examples of CFH

  • Natural Gas Consumption: Home appliances like furnaces, water heaters, and stoves are rated in terms of CFH to indicate their natural gas consumption. A typical furnace might consume 80-120 CFH of natural gas.
  • HVAC Systems: Air conditioning and ventilation systems use CFH to measure the airflow rate in ductwork. A residential HVAC system might require airflow rates between 400 and 1600 CFH, depending on the size of the home.
  • Compressed Air Systems: Pneumatic tools and equipment in factories use compressed air. The compressor output is often rated in CFH or cubic feet per minute (CFM, which can easily be converted to CFH by multiplying by 60) to indicate the volume of air it can supply.
  • Industrial Processes: Many industrial processes, such as chemical manufacturing or food processing, involve controlling the flow rate of liquids or gases. CFH can be used to specify the desired flow rate of a particular fluid. For example, a chemical reactor might require a flow of 50 CFH of nitrogen gas.
  • Ventilation Systems: Exhaust fans in bathrooms or kitchens are often rated in CFM (cubic feet per minute), which can be converted to CFH. A typical bathroom exhaust fan might be rated at 50-100 CFM, which equals 3000-6000 CFH.

Complete Litres per minute conversion table

Enter # of Litres per minute
Convert 1 l/min to other unitsResult
Litres per minute to Cubic Millimeters per second (l/min to mm3/s)16666.666666667
Litres per minute to Cubic Centimeters per second (l/min to cm3/s)16.666666666667
Litres per minute to Cubic Decimeters per second (l/min to dm3/s)0.01666666666667
Litres per minute to Cubic Decimeters per minute (l/min to dm3/min)1
Litres per minute to Cubic Decimeters per hour (l/min to dm3/h)60
Litres per minute to Cubic Decimeters per day (l/min to dm3/d)1440
Litres per minute to Cubic Decimeters per year (l/min to dm3/a)525960
Litres per minute to Millilitres per second (l/min to ml/s)16.666666666667
Litres per minute to Centilitres per second (l/min to cl/s)1.6666666666667
Litres per minute to Decilitres per second (l/min to dl/s)0.1666666666667
Litres per minute to Litres per second (l/min to l/s)0.01666666666667
Litres per minute to Litres per hour (l/min to l/h)60
Litres per minute to Litres per day (l/min to l/d)1440
Litres per minute to Litres per year (l/min to l/a)525960
Litres per minute to Kilolitres per second (l/min to kl/s)0.00001666666666667
Litres per minute to Kilolitres per minute (l/min to kl/min)0.001
Litres per minute to Kilolitres per hour (l/min to kl/h)0.06
Litres per minute to Cubic meters per second (l/min to m3/s)0.00001666666666667
Litres per minute to Cubic meters per minute (l/min to m3/min)0.001
Litres per minute to Cubic meters per hour (l/min to m3/h)0.06
Litres per minute to Cubic meters per day (l/min to m3/d)1.44
Litres per minute to Cubic meters per year (l/min to m3/a)525.96
Litres per minute to Cubic kilometers per second (l/min to km3/s)1.6666666666667e-14
Litres per minute to Teaspoons per second (l/min to tsp/s)3.38140227
Litres per minute to Tablespoons per second (l/min to Tbs/s)1.12713409
Litres per minute to Cubic inches per second (l/min to in3/s)1.0170670895671
Litres per minute to Cubic inches per minute (l/min to in3/min)61.024025374023
Litres per minute to Cubic inches per hour (l/min to in3/h)3661.4415224414
Litres per minute to Fluid Ounces per second (l/min to fl-oz/s)0.563567045
Litres per minute to Fluid Ounces per minute (l/min to fl-oz/min)33.8140227
Litres per minute to Fluid Ounces per hour (l/min to fl-oz/h)2028.841362
Litres per minute to Cups per second (l/min to cup/s)0.070445880625
Litres per minute to Pints per second (l/min to pnt/s)0.0352229403125
Litres per minute to Pints per minute (l/min to pnt/min)2.11337641875
Litres per minute to Pints per hour (l/min to pnt/h)126.802585125
Litres per minute to Quarts per second (l/min to qt/s)0.01761147015625
Litres per minute to Gallons per second (l/min to gal/s)0.004402867539062
Litres per minute to Gallons per minute (l/min to gal/min)0.2641720523438
Litres per minute to Gallons per hour (l/min to gal/h)15.850323140625
Litres per minute to Cubic feet per second (l/min to ft3/s)0.0005885780820172
Litres per minute to Cubic feet per minute (l/min to ft3/min)0.03531468492103
Litres per minute to Cubic feet per hour (l/min to ft3/h)2.1188810952621
Litres per minute to Cubic yards per second (l/min to yd3/s)0.00002179915618098
Litres per minute to Cubic yards per minute (l/min to yd3/min)0.001307949370859
Litres per minute to Cubic yards per hour (l/min to yd3/h)0.07847696225152

Volume flow rate conversions