Puppy & Kitten Weight Chart
In the first four weeks of life, weight is the single most reliable indicator of a newborn's health. Puppies and kittens should gain 5-10% of their body weight every day — a plateau of even 12 hours is a genuine emergency. This tracker logs every weigh-in (grams, not ounces — accuracy matters at this stage), plots gain since the previous session, and flags any stagnation. Reference ranges are conservative averages; small toy breeds and giant breeds will fall well outside typical numbers, so trend matters more than absolute weight.
Expected puppy range (breed-dependent):
- Day 1: 200–600 g
- Day 7: 400–1000 g
- Day 14: 700–1600 g
- Day 21: 1000–2500 g
- Day 28: 1400–3500 g
Not medical advice. This tool provides general guidance based on common veterinary formulas. Always consult your veterinarian for medical decisions about your pet.
Examples
- Lab puppy day 1: 450gWithin range · target 500g by day 3
- Persian kitten day 7: 180gOn track · continue 4-hour feeds
- Puppy day 3: same as day 2🚨 Stagnation — vet immediately