Convert Cubic Feet per Minute (CFM) to Liters per Hour (L/h)

1 CFM = 1,699 L/h

How many Liters per Hour in a Cubic Foot per Minute?Printable chart →

Converting Cubic Feet per Minute (CFM) to Liters per Hour (L/h) is essential for various applications, especially in HVAC and industrial settings. The conversion factor is straightforward: 1 CFM equals 1699 L/h, making it easy to switch between these flow rate units.

Cubic Foot per Minute (CFM)

Liter per Hour (L/h)

1,699.004602

Conversion Formula

L/h = CFM × 1699

Reverse: CFM = L/h × 5.8858e-4

Quick mental math: For quick mental math, remember that 1 CFM is roughly equivalent to 1700 L/h, making it easy to estimate when precise calculations aren't necessary.

Conversion Examples

1 CFM × 1699 =

1,699 L/h

1 Cubic Feet per Minute = 1,699 Liters per Hour

5 CFM × 1699 =

8,495.02 L/h

5 Cubic Feet per Minute = 8,495.02 Liters per Hour

10 CFM × 1699 =

16,990 L/h

10 Cubic Feet per Minute = 16,990 Liters per Hour

25 CFM × 1699 =

42,475.1 L/h

25 Cubic Feet per Minute = 42,475.1 Liters per Hour

50 CFM × 1699 =

84,950.2 L/h

50 Cubic Feet per Minute = 84,950.2 Liters per Hour

100 CFM × 1699 =

169,900 L/h

100 Cubic Feet per Minute = 169,900 Liters per Hour

Cubic Foot per Minute to Liter per Hour Table

Quick convert your value:

CFM =—L/h

Start:Step:Rows:Precision:

Cubic Foot per Minute (CFM)	Liter per Hour (L/h)	Fraction
1	1,699	—
2	3,398	3398 1/64
3	5,097	5097 1/64
4	6,796	6796 1/64
5	8,495	8495 1/64
6	10,194	10194 1/32
7	11,893	11893 1/32
8	13,592	13592 1/32
9	15,291	15291 3/64
10	16,990	16990 3/64
11	18,689	18689 3/64
12	20,388	20388 1/16
13	22,087	22087 1/16
14	23,786	23786 1/16
15	25,485	25485 1/16
16	27,184	27184 5/64
17	28,883	28883 5/64
18	30,582	30582 5/64
19	32,281	32281 3/32
20	33,980	33980 3/32

Unit Definitions

What is a Cubic Foot per Minute (CFM)?

ImperialUnited States, United Kingdom

Cubic Foot per Minute (CFM) is a unit of volumetric flow rate used to measure the volume of air or fluid that moves in one minute.

History

The concept of measuring airflow in cubic feet per minute originated with early mechanical systems used in heating and ventilation. CFM has become a standard in the HVAC industry due to its practicality in air movement measurement.

Current Use

Today, CFM is widely used in various fields, including HVAC, automotive, and industrial applications, to ensure efficient airflow management.

Learn more about Cubic Foot per Minute

What is a Liter per Hour (L/h)?

Metric (SI)Worldwide

Liter per Hour (L/h) is a metric unit of flow rate that indicates how many liters of fluid pass through a given point in one hour.

History

The liter is a metric unit that has been in use since the late 18th century, primarily adopted during the metrication movement in Europe. The use of L/h as a flow rate measure became prominent with the rise of scientific research and international standards.

Current Use

L/h is commonly employed in scientific research, environmental monitoring, and various industrial processes where precise measurement of fluid flow is essential.

Learn more about Liter per Hour

Frequently Asked Questions

How do I convert 5 CFM to L/h?

To convert 5 CFM to Liters per Hour, you simply multiply by the conversion factor. Therefore, 5 CFM equals 5 x 1699, which is 8495 L/h. This conversion is particularly useful when assessing airflow in a home ventilation system or an industrial process requiring precise air handling.

What is the significance of measuring airflow in CFM versus L/h?

CFM is commonly used in the United States for air volume measurements, especially in HVAC applications. In contrast, L/h is often utilized in scientific and international contexts, where metric units are preferred. For example, if a laboratory needs to measure the airflow of a fume hood, using L/h might be more appropriate for consistency with other measurements.

Can I use this conversion for cooking applications?

Absolutely! For instance, if a recipe calls for a ventilation fan rated at 2 CFM to remove smoke or odors, converting this to L/h gives you 2 x 1699, which equals 3398 L/h. This information can help ensure that your kitchen ventilation is adequate for your cooking needs, especially in high-heat situations.

Is CFM to L/h conversion important in construction?

Yes, knowing the airflow rates in CFM and converting them to L/h is vital for ensuring proper ventilation in construction sites. For example, a construction site might require 10 CFM of airflow for dust control, translating to 10 x 1699, or 16,990 L/h. This helps in planning adequate dust extraction systems to maintain a safe working environment.

How does airflow measurement affect fitness equipment?

In fitness centers, airflow is crucial for maintaining air quality. If a treadmill has a cooling fan rated at 3 CFM, converting that to L/h gives 3 x 1699, or 5097 L/h. This information ensures that gym owners can provide a comfortable environment for users, especially in high-intensity workout areas.

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 Cubic Foot per Minute to Other Units

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

Related Conversions

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