Chapter 1 - Measurement and Problem Solving - Learning Path Questions and Exercises - Conceptual Questions - Page 27: 13

(a) 1kg is equivalent to 2.2 lb

Both kilogram (kg) and pound (lb) are units of mass. The kilogram is taken as the unit of mass by the International System of Units (SI) and is used worldwide. Whereas, the pound is commonly used in British Imperial units and the United States customary unit. 1 pound is defined exactly as $0.45359237 kg$ or in other way $1 kg=2.2 lb$.