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How Big Will My Puppy Get?

Predict your puppy's adult weight and growth timeline from current age and weight. By breed size category.

📅 Updated April 2026 Formula verified 📖 4 min read 🆓 Free · No sign-up

Estimation

Small breeds: 6-week weight × 4। Medium: 14-week × 2.5। Large: 4-month × 2। Indie puppies: usually 15-25 kg adult। Full grown: small 9-12 months। Large 12-18 months।

Puppy Food

Puppy-specific food until 12 months (small/medium) or 18 months (large)। 3 meals/day until 6 months, then 2। Drools Puppy, Pedigree Puppy: affordable options।

⚡ CalcWolf Insight

A puppy's paw size is one of the best visual predictors of adult size. Disproportionately large paws on a young puppy almost always indicate a large adult dog. The puppy will "grow into" those paws over the next 12-18 months.

Frequently asked questions
Adult weight?
Small: 6-week × 4। Medium: 14-week × 2.5। Large: 4-month × 2। ±10%।
कब adult food?
Small/medium: 12 months। Large: 18 months।
✓ Math logic verified against primary sources → See our verification process
Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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Found a bug or outdated data? Reports go directly to Kevin and are reviewed personally.