How heavy is a platypus?

An adult platypus typically weighs between 1 and 2.5 kilograms (2.2 and 5.5 pounds). Males are generally larger than females, with a typical weight range of 1.3 to 2.5 kilograms (2.9 to 5.5 pounds), while females typically weigh between 0.7 and 1.6 kilograms (1.5 and 3.5 pounds).