Rottweiler Growth Chart
Rottweilers are powerful guardian breeds with heavy bone and rapid early growth. They often continue filling out until 18 months or later. Avoid overfeeding during growth; muscle and frame develop on a longer timeline than small breeds.
Rottweiler weight by age
Typical weight ranges based on Rottweiler adult size and standard growth curves. Individual puppies may vary.
| Age | Expected weight (low–high) |
|---|---|
| 8 weeks | 9.9–34.3 lb |
| 12 weeks | 15–42.9 lb |
| 16 weeks | 19.7–50.8 lb |
| 20 weeks | 23.8–57.8 lb |
| 24 weeks | 27.9–64.7 lb |
| 32 weeks | 35.4–77.4 lb |
| 40 weeks | 42.5–89.2 lb |
| 1 year | 52.5–106.1 lb |
| 1y 26w | 72.4–135 lb |
| 2 years | 74.8–135 lb |
Rottweiler Growth Stages
Understanding the typical growth stages helps you know what to expect as your Rottweiler puppy grows.
Neonatal
0–2 weeksPuppies are born with eyes and ears closed, relying entirely on their mother. Rapid weight gain occurs during this period.
Socialization
3–12 weeksEyes and ears open. Puppies begin to explore, play, and learn social behaviors. This is a critical period for development.
Juvenile
3–8 monthsRapid growth continues. Puppies become more independent, start teething, and develop coordination.
Adolescent
8–14 monthsGrowth rate begins to slow. Puppies reach sexual maturity and may test boundaries. Muscle mass develops.
Young Adult
14–18 monthsGrowth is nearly complete. Your puppy is filling out and approaching adult proportions.
Adult
18+ monthsYour puppy has reached their full adult size. Weight should remain relatively stable with proper nutrition.
Calculate Your Rottweiler Puppy's Adult Weight
Enter your Rottweiler puppy's age and current weight for an estimated adult weight range.
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Rottweiler FAQ
How much will my Rottweiler puppy weigh as an adult?
Adult Rottweilers are classified as large dogs, with typical finished weights of 80 to 135 lb. Males may weigh 95–135 lb and females 80–100 lb. These are estimated ranges—individual genetics and parent size may shift results above or below breed norms.
At what age is a Rottweiler fully grown?
As a large breed, most Rottweilers finish growing between 14 and 18 months. Rottweilers develop heavy bone slowly; muscle may keep building into the second year. Growth charts work best when you track several weekly weights rather than relying on one measurement taken during a growth spurt or quiet phase.
How accurate is a Rottweiler puppy weight chart?
Estimated Rottweiler growth curves assume typical development, but European versus American breeding styles create meaningful variation within the breed. Heavy bone develops slower than height. Parent weight and body condition may refine predictions when available. Charts work best alongside sex-specific ranges and consistent measurement habits.