The average weight of an adult male cat is 2.8 kilograms while that of an adult female cat is 2.4 kilograms. The weight of neutered cats ranges between 3 kilograms and 4 kilograms. Female cats give birth to about 4 kittens per litter.
1 Additional Answer
The average weight of a healthy adult domestic house cat is between 8-10 pounds although this can very quite a bit in certain purebreds. The Siberian house cat can grow to weigh 20 pounds or more!