How Big Will My Irish Wolfhound Get?
Irish Wolfhounds are a giant breed that typically weigh 48–70 kg (106–154 lbs) at full size. Giant breeds are the slowest to mature, often not reaching their full adult weight until 18–24 months.
Irish Wolfhound Size at a Glance
Adult Weight
48–70 kg
106–154 lbs
Adult Height
76–86 cm
30–34 in
Size Category
giant
Fully Grown By
18–24 mo
Irish Wolfhound Growth Chart
Irish Wolfhound Weight by Age
Predict Your Irish Wolfhound Puppy's Adult Weight
Enter your puppy's current age and weight for a personalized prediction.
Open Weight CalculatorIrish Wolfhound Growth & Development
Giant breeds are the slowest to mature, often not reaching their full adult weight until 18–24 months. They have an extended growth period that requires careful nutrition management.
A Irish Wolfhound's growth rate is fastest in the first 6 months of life. For larger breeds like the Irish Wolfhound, 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 Irish Wolfhound's adult size include genetics (parent size), nutrition quality, spay/neuter timing, and overall health. Males typically weigh 10–20% more than females.
Frequently Asked Questions
How big will my Irish Wolfhound puppy get?
A full-grown Irish Wolfhound typically weighs between 48–70 kg (106–154 lbs). Males tend to be on the larger end of the range while females are usually smaller.
When do Irish Wolfhounds stop growing?
Giant breeds are the slowest to mature, often not reaching their full adult weight until 18–24 months. They have an extended growth period that requires careful nutrition management. Individual dogs may reach their full size slightly earlier or later depending on genetics, diet, and overall health.
How much should a Irish Wolfhound puppy weigh at 12 weeks?
At 12 weeks, a Irish Wolfhound puppy typically weighs around 17.7–23.6 kg (39–52 lbs), which is roughly 30–40% of their adult weight.
How can I tell if my Irish Wolfhound puppy is the right weight?
Compare your puppy's weight to the growth chart above. A healthy Irish Wolfhound puppy should follow a steady growth curve. If your puppy's weight deviates significantly from the expected range, consult your veterinarian.
Learn More About Irish Wolfhounds
Explore the full breed profile, find name ideas, or check ownership costs.