The kilogram per minute (kg/min) is a standard unit of mass‑flow rate that quantifies how many kilograms of material pass a given point each minute, and it is commonly symbolized as kg · min⁻¹ or simply kg/min. Used across engineering, manufacturing, and scientific research, this metric measures the speed of liquids, gases, powders, or solids moving through pipelines, reactors, or conveyors, enabling precise control of processes such as chemical dosing, fuel consumption, and material handling. By expressing flow in kg/min, professionals can easily compare performance, calculate energy requirements, and ensure compliance with safety and quality standards, making the unit essential for both practical applications—like HVAC system design and food‑processing equipment—and advanced scientific studies involving thermodynamics, fluid dynamics, and process optimization.