Air Flow Conversion Calculator

Posted in:

Air Flow Conversion Calculator

Air Flow

Duct Type/Area


Velocity Units

ft/min (LFM)
miles/hr (MPH)

Volume Units

ft³/min (CFM)

Air flow, a critical component in various industrial and environmental applications, refers to the movement of air within a particular space or system. Understanding and managing this dynamic process is essential, as it directly impacts system efficiency, energy consumption, and environmental quality.

An air flow conversion calculator serves as an indispensable tool in this context, providing precise measurements and conversions of air flow rates.

Calculating air flow accurately is pivotal, as it ensures optimal performance of HVAC systems, supports the design and operation of efficient ventilation setups, and aids in adhering to health and safety standards. By leveraging an air flow conversion calculator, professionals and enthusiasts alike can make informed decisions, fostering energy efficiency and sustainability in their projects.

Air Flow Conversion Calculator Tool

Filters Direct offers an air flow conversion tool above that allows you to easily switch between standard units for volume air flow and the speed of air passing through a designated section of duct.

How do I use the Air Flow Conversion Calculator?

To utilise this air flow calculator, simply input your air velocity or volume air flow, specify the duct’s area/type, select the desired units, click the “calculate air flow” button, and the tool will display the converted velocity and volume units for your convenience.

Shop Replacement Air Filters Online

Browse our UK air filter online shop to browse and buy HVAC Air Filters and Air Conditioning Filters with complete peace-of-mind. All our air filters are manufactured in the UK.

FAQs about Air Flow Conversion

To find airflow through a vent or air filter, multiply the air velocity in meters per second by 3600 to get airflow per hour. Then, multiply this result by the vent/filter area (height multiplied by width for a rectangular shape).

The equation is as follows: Airflow = ((air velocity (m/s) x 3600) x (height (mm) x width (mm))

The recommended airflow for an average-sized UK bedroom is generally around 10 to 20 cubic feet per minute (CFM) for ventilation purposes. This can vary based on factors like room occupancy, outdoor air quality, and specific ventilation needs.

Airflow rate refers to the volume of air that moves through a specific point in a given period. It is typically measured in terms of volume per unit of time, such as cubic feet per minute (CFM) or cubic meters per hour. Airflow rate is a crucial parameter in various applications, including HVAC (Heating, Ventilation, and Air Conditioning) systems, industrial processes, and environmental monitoring. In different contexts, airflow rate may be used to assess ventilation, cooling, or the efficiency of air circulation in a particular space or system.

Air velocity is the speed or rate at which air moves in a particular direction. It is typically measured in meters per second (m/s). In the context of ventilation or airflow, air velocity provides information about how quickly air is flowing through a specific area or duct. Understanding air velocity is crucial in HVAC (Heating, Ventilation, and Air Conditioning) systems, air quality control, and various industrial processes where the movement of air plays a significant role.

For more information, advice or to place an order contact us today by email or phone.

Filters Direct Icon

Related Posts

You may also like these posts from our blog.

Air Filter Efficiency Chart: MERV, EN779 & ISO 16890

Read more about Air Filter Efficiency Chart: MERV, EN779 & ISO 16890>

Clearing the Air: A Comprehensive Guide to Air Filtration Terminology

Read more about Clearing the Air: A Comprehensive Guide to Air Filtration Terminology>
Include VAT