Litres per minute (l/min) | Cubic feet per minute (ft3/min) |
---|---|
0 | 0 |
1 | 0.03531468492103 |
2 | 0.07062936984207 |
3 | 0.1059440547631 |
4 | 0.1412587396841 |
5 | 0.1765734246052 |
6 | 0.2118881095262 |
7 | 0.2472027944472 |
8 | 0.2825174793683 |
9 | 0.3178321642893 |
10 | 0.3531468492103 |
20 | 0.7062936984207 |
30 | 1.059440547631 |
40 | 1.4125873968414 |
50 | 1.7657342460517 |
60 | 2.1188810952621 |
70 | 2.4720279444724 |
80 | 2.8251747936828 |
90 | 3.1783216428931 |
100 | 3.5314684921034 |
1000 | 35.314684921034 |
Converting between Litres per minute (LPM) and Cubic feet per minute (CFM) involves understanding the relationship between metric and imperial units of volume flow rate. Here's a breakdown of the conversion process.
The conversion between LPM and CFM is based on the relationship between litres and cubic feet, and minutes (time) stay the same. The critical conversion factor to remember is:
Since we are converting "per minute," the time component remains consistent across both units.
To convert from Litres per minute to Cubic feet per minute, multiply the value in LPM by the conversion factor.
Start with the value in Litres per minute: 1 LPM
Multiply by the conversion factor:
Therefore, 1 Litre per minute is approximately equal to 0.0353147 Cubic feet per minute.
To convert from Cubic feet per minute to Litres per minute, divide the value in CFM by the conversion factor (or multiply by the inverse).
Start with the value in Cubic feet per minute: 1 CFM
Divide by the conversion factor (0.0353147) or multiply by its inverse (approximately 28.3168):
Therefore, 1 Cubic foot per minute is approximately equal to 28.3168 Litres per minute.
LPM and CFM are commonly used in various applications to measure fluid flow:
While there's no specific law or person directly associated with the LPM to CFM conversion, the broader context involves the development and standardization of units of measurement. The metric system, including liters, was developed in France in the late 18th century. The imperial system, including cubic feet, has historical roots in England. Understanding fluid dynamics in general can be attributed to number of scientists:
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 minute to other unit conversions.
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.
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.
LPM is derived from the base units of volume (litres) and time (minutes). The formula to calculate flow rate in litres per minute is:
For example, if 50 litres of water flow out of a tap in one minute, the flow rate is 50 LPM.
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 |
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.
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.
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.
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.
CFM is derived from the units of volume (cubic feet, ) and time (minutes, min). Therefore, 1 CFM means one cubic foot of a substance passes a specific point every minute.
The relationship between volume, time, and CFM can be expressed as:
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).
CFM can be converted to other volume flow rate units, such as cubic meters per hour () or liters per second (L/s), using appropriate conversion factors.
CFM is related to air velocity and the cross-sectional area of the flow. The formula linking these is:
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?
Convert 1 l/min to other units | Result |
---|---|
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 |