Siamese Kitten Weight Chart: Growth by Week

Track your Siamese kitten's growth against global breed standards.

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Siamese weight milestones by age
AgeMale avgFemale avg
Birth90 g90 g
1 Week
4 Weeks425 g425 g
8 Weeks850 g850 g
12 Weeks1350 g1350 g

How fast should a Siamese kitten grow?

Siamese kittens are slender and fast-growing. They are very vocal and active, which indicates good health. Weight should always increase proportionally to body length.

When do Siamese cats stop growing?

Siamese cats typically grow for 24 months before reaching their full adult weight.

Red flags: When to worry

  • Unusual silence — Siamese kittens are normally very vocal
  • Weight not increasing proportionally to body length
  • Diarrhea lasting more than 2 days
  • Kitten isolating itself from the mother

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