Cubic Foot Per Minute (CFM) to Litre Per Day (L/d) is a unit conversion used to measure airflow rates in various applications, including HVAC systems, industrial processes, and scientific research. CFM represents the volume of air flowing through a given area in one minute, while L/d measures the volume of liquid or gas flowing through a system over a 24-hour period. This conversion is essential in understanding the performance and efficiency of systems that handle large volumes of air or fluids. By converting CFM to L/d, engineers and scientists can accurately assess the capacity of their systems, optimize airflow rates, and ensure safe and efficient operation.