# Air to Cloth Ratio Calculator

## About Air to Cloth Ratio Calculator (Formula)

The Air to Cloth Ratio Calculator is a tool used to determine the filtration efficiency and performance of a dust collection system by calculating the air to cloth ratio. It helps in selecting the appropriate size and capacity of filters for effective dust control. The formula to calculate the air to cloth ratio is as follows:

Air to Cloth Ratio = Airflow Rate / Filter Cloth Area

In this formula, the Airflow Rate represents the volume of air passing through the system per unit of time, typically measured in cubic feet per minute (CFM). The Filter Cloth Area refers to the total surface area of the filter media or fabric in the dust collector, usually measured in square feet.

To calculate the air to cloth ratio, you divide the airflow rate by the filter cloth area. The resulting value represents the amount of air passing through each square foot of filter media.

For example, let’s say the airflow rate of a dust collection system is 5,000 CFM, and the total filter cloth area is 1,000 square feet. To calculate the air to cloth ratio, you would use the formula:

Air to Cloth Ratio = 5,000 CFM / 1,000 square feet = 5 CFM/square foot

In this scenario, the air to cloth ratio would be 5 CFM/square foot, indicating that there is 5 cubic feet of air passing through each square foot of filter media per minute.

The Air to Cloth Ratio Calculator is commonly used in industrial applications where dust collection and air pollution control are essential. By accurately calculating the air to cloth ratio, engineers and operators can select the appropriate filter sizes and configurations to achieve optimal dust capture and control efficiency. Maintaining the correct air to cloth ratio helps ensure effective filtration, longer filter life, and improved overall performance of the dust collection system.