The Compaction Factor Apparatus is a specialized tool designed for assessing the workability of fresh concrete by measuring its compaction factor. This equipment is essential for construction professionals, engineers, and concrete testing laboratories aiming to ensure consistent quality and performance of concrete mixtures. The apparatus consists of two conical hoppers positioned vertically and an attached cylindrical container at the base. Fresh concrete is introduced into the top hopper, passes through the second hopper, and eventually collects in the cylinder below, simulating real-life handling and placement conditions. By measuring the degree of compaction, users can determine the ease with which concrete can be compacted under a standard level of vibration or manual effort, helping to optimize mix designs and achieve desired structural qualities.