Calculate the adult weight for your Rottweiler. Just type your puppy’s current weight and age, and see how big your puppy gets.

Rottweiler Breed Profile & Growth Guide

Breed Overview

The Rottweiler originated in ancient Rome as a drover dog, later becoming the butcher’s dog in the town of Rottweil, Germany. These powerful, confident dogs are known for their loyalty, intelligence, and protective instincts.

Originally bred to drive cattle and pull carts, Rottweilers are natural guardians with a calm, confident demeanor when properly socialized.

Rottweilers are classified as a large breed, with males typically weighing 95-135 pounds and females 80-100 pounds at maturity. Growth tracking is particularly crucial for this breed because their rapid development during puppyhood can lead to orthopedic issues if not properly managed. According to the American Kennel Club, monitoring growth ensures proper nutrition and exercise management during critical development periods.

Rottweiler Growth Chart & Weight Ranges

Age	Male Weight Range	Female Weight Range
4 weeks	4.5-6.5 lbs	4-6 lbs
8 weeks	12-16 lbs	10-14 lbs
12 weeks	22-26 lbs	18-22 lbs
16 weeks	30-35 lbs	25-30 lbs
6 months	64-71 lbs	60-64 lbs
9 months	88-94 lbs	77-82 lbs
12 months	95-110 lbs	80-90 lbs
18 months	110-130 lbs	85-95 lbs
24 months	95-135 lbs	80-100 lbs

Males typically weigh 15-35 pounds more than females at maturity. Growth rates can vary significantly based on genetics, nutrition, and individual development patterns.

How Much Bigger Will My Rottweiler Puppy Get?

Most Rottweiler puppies reach approximately 60-65% of their adult weight by 6 months of age. This breed experiences rapid growth between 8 weeks and 6 months, with growth slowing considerably after their first birthday.

A commonly used rule of thumb is to take your puppy’s weight at 16 weeks and multiply by 2.5 to estimate their adult weight. However, this method should be used as a general guideline only, as individual variation is significant.

Note: Unlike smaller breeds that typically finish growing by 12 months, Rottweilers continue developing until 18-24 months of age. While they reach most of their height by 12-15 months, they continue filling out and gaining muscle mass well into their second year. The Rottweiler Club notes that some large males may not reach full maturity until 3 years of age.

Rottweiler Growth Tips

Nutrition

Feed high-quality large-breed puppy food formulated to support controlled growth rates.

Avoid overfeeding, as rapid weight gain can stress developing joints. Divide daily food portions into 3-4 meals for puppies under 6 months, then transition to twice-daily feeding.

Monitor body condition rather than relying solely on weight, ensuring you can feel but not see ribs.

Exercise

Limit high-impact activities like jumping, long runs, or forced exercise until growth plates close around 18-24 months.

Focus on controlled walks, swimming, and free play in secure areas. Puppies under 6 months should have approximately 5 minutes of structured exercise per month of age, twice daily.

Health Watch

Rottweilers are prone to hip and elbow dysplasia, conditions that can be exacerbated by improper growth rates.

Watch for limping, reluctance to exercise, or difficulty rising. Rapid growth spurts may cause temporary discomfort or slight lameness.

Maintain regular veterinary checkups to monitor joint development and discuss appropriate growth expectations for your puppy.