Puppy Dog Weight Calculator
Get a clear, friendly estimate of your puppy's expected adult weight, then compare with size charts and practical growth guidance.
Estimate inputs
Breed spotlight
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Choose a breed in Step 2 to see a tailored photo panel and quick links.
Selecting a breed can tighten your estimate range and unlock a matching chart link.
Tip: Add breed for a tighter estimate.
Estimated results
Puppy Weight Calculator
This estimator blends age and current weight to project an adult range. Add breed and parent details for a more tailored range.
Use this tool as a planning guide for feeding and growth check-ins. It is not a diagnosis or treatment recommendation.
Track trends over time and combine estimates with body-condition checks and regular vet conversations.
The Importance of a Dog Weight Calculator
Early growth awareness helps you adjust feeding, spot unusual trends sooner, and make confident decisions with your vet over time.
Puppy Growth Chart by Breed Size
Reference ranges below are directional checkpoints from puppy stage to near-adult size.
| Size Class | 8 Weeks | 12 Weeks | 16 Weeks | 20 Weeks | 24 Weeks | 52 Weeks |
|---|---|---|---|---|---|---|
| Toy | 0.6-1.1 kg | 0.9-1.8 kg | 1.2-2.4 kg | 1.4-2.8 kg | 1.6-3.0 kg | 2.0-4.0 kg |
| Small | 1.0-2.2 kg | 1.6-3.6 kg | 2.4-5.4 kg | 3.0-6.5 kg | 3.6-7.2 kg | 5.0-12.0 kg |
| Medium | 2.0-4.0 kg | 3.2-6.5 kg | 4.5-9.5 kg | 5.8-12.0 kg | 7.0-14.5 kg | 12.0-25.0 kg |
| Large | 3.0-6.5 kg | 5.0-10.5 kg | 7.5-16.0 kg | 10.0-21.0 kg | 12.5-26.0 kg | 22.0-40.0 kg |
| Giant | 4.0-8.5 kg | 7.0-14.5 kg | 10.5-22.0 kg | 14.0-30.0 kg | 18.0-37.0 kg | 35.0-70.0 kg |
Other Growth-Influencing Factors
- Breed family traits and typical frame size.
- Feeding quality, portion consistency, and treat balance.
- Activity level and daily energy use as your puppy matures.
- Parent size details when known.
- Timing of growth spurts, which can temporarily skew estimates.
- Body-condition score and vet check feedback over time.
Plan your next growth check with confidence
Pair this calculator with breed guides, weight charts, and saved checkpoints so your next update takes seconds.
Saved results
Keep your latest checkpoints on this device.
Frequently Asked Questions
Answers to common puppy weight calculator questions.