How Big Will My Rottweiler Get?

Rottweilers are a large breed that typically weigh 36โ€“60 kg (79โ€“132 lbs) at full size. Large breeds take longer to mature, typically reaching their adult weight around 14โ€“18 months.

Rottweiler Size at a Glance

Adult Weight

36โ€“60 kg

79โ€“132 lbs

Adult Height

56โ€“69 cm

22โ€“27 in

Size Category

large

Fully Grown By

14โ€“18 mo

Rottweiler Growth Chart

Average Min / Max range

Rottweiler Weight by Age

8 weeks
20%
7.2โ€“12 kg
16โ€“26 lbs
12 weeks
30%
10.8โ€“18 kg
24โ€“40 lbs
4 months
40%
14.4โ€“24 kg
32โ€“53 lbs
6 months
60%
21.6โ€“36 kg
48โ€“79 lbs
9 months
80%
28.8โ€“48 kg
63โ€“106 lbs
12 months
91%
32.6โ€“54.3 kg
72โ€“120 lbs

Predict Your Rottweiler Puppy's Adult Weight

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Rottweiler Growth & Development

Large breeds take longer to mature, typically reaching their adult weight around 14โ€“18 months. They grow rapidly between 3โ€“6 months.

A Rottweiler's growth rate is fastest in the first 6 months of life. For larger breeds like the Rottweiler, it's important not to over-feed during the growth phase, as rapid weight gain can put stress on developing joints and bones.

Factors that influence your Rottweiler's adult size include genetics (parent size), nutrition quality, spay/neuter timing, and overall health. Males typically weigh 10โ€“20% more than females.

Frequently Asked Questions

How big will my Rottweiler puppy get?

A full-grown Rottweiler typically weighs between 36โ€“60 kg (79โ€“132 lbs). Males tend to be on the larger end of the range while females are usually smaller.

When do Rottweilers stop growing?

Large breeds take longer to mature, typically reaching their adult weight around 14โ€“18 months. They grow rapidly between 3โ€“6 months. Individual dogs may reach their full size slightly earlier or later depending on genetics, diet, and overall health.

How much should a Rottweiler puppy weigh at 12 weeks?

At 12 weeks, a Rottweiler puppy typically weighs around 14.4โ€“19.2 kg (32โ€“42 lbs), which is roughly 30โ€“40% of their adult weight.

How can I tell if my Rottweiler puppy is the right weight?

Compare your puppy's weight to the growth chart above. A healthy Rottweiler puppy should follow a steady growth curve. If your puppy's weight deviates significantly from the expected range, consult your veterinarian.

Learn More About Rottweilers

Explore the full breed profile, find name ideas, or check ownership costs.