Puppy Growth Calculator
Predict how big your puppy will get when fully grown. Enter breed and current weight to see the estimated adult size and growth curve.
How Big Will My Puppy Get?
Predicting your puppy's adult size helps you plan for the right crate, food, and space. Growth rate depends on breed size.
Puppy Growth Timeline
| Age | Toy/Small | Medium | Large | Giant |
|---|---|---|---|---|
| 8 weeks | 30% | 25% | 20% | 15% |
| 16 weeks | 60% | 50% | 40% | 30% |
| 6 months | 80% | 66% | 55% | 45% |
| 12 months | 100% | 95% | 85% | 75% |
| 18 months | 100% | 100% | 95% | 85% |
| 24 months | 100% | 100% | 100% | 95% |
When do puppies stop growing?
Small breeds reach adult size by 10-12 months. Medium by 12-15 months. Large by 15-18 months. Giant breeds may grow until 24 months.
How can I tell if my puppy is a healthy weight?
You should feel ribs easily but not see them. A visible waist when viewed from above is normal. Your vet can track growth against breed-standard curves.
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