average cat size
1 An adult domestic cat's average height in the range of 8 to 10 inches or 20 to 25 cm. 2  Female domestic short hair cats weigh between 6 to 10 pounds or 2.7 to 4.5 kilos.3  Average male domestic short hair cats can weigh anywhere from 10 to 12 pounds or 4.5 to 5.5 kilos.hanks, B. Dear B, At 7 weeks, the kittens should weigh anywhere from 1 to 2 pounds...now when they reach adulthood their ideal size & weight will vary depending on their gender and breed. 1  An adult domestic cat's average height in the range of 8 to 10 inches or 20 to 25 cm.