Estimate your puppy's adult weight based on their current weight, age, and breed size.
Weeks
Maturity Age (Weeks)
Wondering 'how big will my puppy get?' Our dog weight calculator uses scientifically backed growth curves to estimate your puppy's final adult weight. Simply enter their current weight, age in weeks, and breed size category.
Different dog breeds mature at different rates. Toy breeds might reach their adult weight in just 9-10 months, while giant breeds like Great Danes can continue growing for up to 18-24 months. Our calculator adjusts its algorithm based on your specific breed size.