Boxer Growth Chart
Boxers are muscular working dogs with a late chest fill that can continue into the second year. Puppies often appear lean during adolescent growth spurts. Use breed and sex ranges together with current age for a realistic adult estimate.
Boxer weight by age
Typical weight ranges based on Boxer adult size and standard growth curves. Individual puppies may vary.
| Age | Expected weight (low–high) |
|---|---|
| 8 weeks | 6.2–20.3 lb |
| 12 weeks | 9.4–25.4 lb |
| 16 weeks | 12.3–30.1 lb |
| 20 weeks | 14.9–34.2 lb |
| 24 weeks | 17.5–38.3 lb |
| 32 weeks | 22.2–45.8 lb |
| 40 weeks | 26.6–52.9 lb |
| 1 year | 32.8–62.9 lb |
| 1y 26w | 45.3–80 lb |
| 2 years | 46.8–80 lb |
Calculate Your Boxer Puppy's Adult Weight
Enter your Boxer puppy's age and current weight for an estimated adult weight range.
Enter your puppy's details to see the estimate
Boxer FAQ
How much will my Boxer puppy weigh as an adult?
Enter your puppy's age and current weight in this calculator. Typical adult Boxer ranges depend on sex, genetics, and whether the puppy is on a steady growth curve.
At what age is a Boxer fully grown?
Most Boxer dogs reach most adult weight between 10 and 18 months depending on size. Larger individuals may keep filling out slightly longer while bone and muscle finish developing.
How accurate is a Boxer puppy weight chart?
Charts reflect typical trends, not guarantees. Individual puppies may finish above or below the estimated range based on parents, nutrition, and overall health.