What is the average weight of a cat?

Almost 50% of the cats in Britain are overweight. This is because cats often get too little exercise and too much food. Especially housecats that always stay inside are often overweight. This results in that these cats die at a younger age. The normal weight of a cat, depends on many factors such as sex, breed and age. In general we assume that the average weight of a healthy full-grown cat is about 7.7 pounds (3.5 kilo).



When is my cat overweight?

When a cat weighs 11 pounds (5 kilos), it might not seem as too much, Just 3.3 pounds (1.5 kilo) over the average. However, since a cat isn’t very heavy in general, 3.3 pounds (1.5 kilo) is already 25% too heavy. A cat heavier than 11 pounds (5 kilo) can be assumed as overweight.

What is the average weight of kittens?

When your cat gives birth to kittens, you naturally want to know if they are in good health and if they’re growing alright. In the overview below you can see the average weights of kittens per week.

 Age in weeks   Average weight in lbs 
 1  0.45
 2  0.63
 4  0.95
 6  1.32
 8  1.79
 12  2.65
 18  4.23
 25  6.17
 40  7.28

If you’re concerned that your kittens aren’t heavy enough, it is wise to contact a vet.

See besides average cat weight also:
Average Lifespan of a Cat
Average Lifespan of a Dog