Great Dane Size & Weight Chart: How Big Do They Get?
Written for general planning, not medical advice — no one at Argos Paws is a veterinarian. If something is wrong with your dog right now, call your vet or the nearest emergency clinic.
Quick answer: A full-grown Great Dane typically weighs 100-200 lb (45-91 kg) and stands 28-32 in (71-81 cm) tall at the shoulder; males usually weigh 140-175 lb (64-79 kg) and females 110-140 lb (50-64 kg). Most reach their adult size by around 18-24 months.
Photo: Lilly M · CC BY-SA 2.5 · via Wikimedia Commons
Great Danes are a giant breed known as "gentle giants" for their friendly, patient temperament despite their imposing size. Their rapid growth as puppies means careful nutrition management is especially important.
| Size category | Giant |
|---|---|
| Typical adult weight | 100-200 lb (45-91 kg) |
| Height at the shoulder | 28-32 in (71-81 cm) |
| Full grown by | 18-24 months |
| Life expectancy | 7-10 years |
Male vs female Great Dane size
| Weight | Height | |
|---|---|---|
| Male | 140-175 lb (64-79 kg) | 30-32 in (76-81 cm) |
| Female | 110-140 lb (50-64 kg) | 28-30 in (71-76 cm) |
Per the AKC breed standard. Individual dogs can sit outside these ranges and still be perfectly healthy — body condition matters more than hitting a number.
Great Dane weight chart by age (lb & kg)
Estimated weights for an average Great Dane puppy, based on the typical growth curve for a giant breed. Males usually track toward the top of each figure, females toward the bottom.
| Age | Weight (lb) | Weight (kg) |
|---|---|---|
| 2 months | ~23 lb | ~10 kg |
| 3 months | ~41 lb | ~19 kg |
| 4 months | ~57 lb | ~26 kg |
| 5 months | ~75 lb | ~34 kg |
| 6 months | ~93 lb | ~42 kg |
| 9 months | ~120 lb | ~54 kg |
| 12 months | ~135 lb | ~61 kg |
| 18-24 months (full grown) | 100-200 lb | 45-91 kg |
When does a Great Dane stop growing?
As a giant breed, Great Danes can keep growing until 18-24 months, and controlled growth during puppyhood is critical to avoid skeletal problems. Height usually levels off first — a Great Dane can look full height at 9-12 months but keep adding chest depth and muscle for months afterward.
Use the Puppy Weight Predictor below — it's pre-loaded with the Great Dane's growth curve, so just enter your puppy's current weight and age.
Predict your Great Dane's adult weight
Enter your puppy's current weight and age to get an estimate based on this breed's typical growth curve.
Open the Puppy Weight PredictorHow much does it cost to feed a Great Dane?
A typical adult Great Dane (150 lb, average activity) needs roughly 2653 kcal/day — about 1.6 lb (6.2 cups) of dry kibble per day, which works out to around $94/month at typical kibble prices. Fresh or subscription-style food usually costs more, around $1061/month for the same dog. These are population-level estimates — use the calculator below for a number based on your dog's actual weight and food type, or see the Great Dane feeding chart for puppy amounts by month.
Estimate Great Dane food costs
Pre-filled with this breed's typical adult weight — adjust activity level and food type to get your monthly estimate.
Open the Dog Food Cost CalculatorBrowse dog food sized for a Great Dane
Compare dry, wet, and breed-specific formulas — filter by your dog's size and life stage to narrow it down.
Browse dog food on Amazon(affiliate link)How old is my Great Dane in human years?
The old "×7" rule doesn't hold up — giant breeds like the Great Dane age at their own rate, not a generic one. Use the calculator below, pre-set to this breed's size.
Convert your Great Dane's age
Pre-filled with this breed's size category for a more accurate human-year estimate than a flat multiplier.
Open the Great Dane Age CalculatorCommon health considerations
- Bloat (gastric dilatation-volvulus) risk is among the highest of any breed given their deep chest — many owners discuss preventive gastropexy with their vet.
- Dilated cardiomyopathy is a well-documented heart condition in the breed.
- Hip dysplasia and other orthopedic issues are common given their rapid growth and size.
This is general breed-level information, not a diagnosis or a prediction for any individual dog. Talk to your vet about health screening and preventive care specific to your dog.
Is pet insurance worth it for a Great Dane?
See a typical monthly premium for this breed and whether it would likely pay off against a major vet bill.
Great Dane insurance costEstimate what coverage would cost for your dog
Premiums swing widely by breed, age, and location. Our calculator gives you a realistic range in about a minute — no email, no sign-up.
Open the pet insurance calculatorJoint supplements can help support a growing Great Dane
Larger breeds carry more weight on developing joints. Many owners start a glucosamine/chondroitin or omega-3 supplement during the growth phase rather than waiting for stiffness to appear.
Browse joint supplements on Amazon(affiliate link)Similar breeds
Based on energy level, living-space fit, and care needs, these breeds are closest to the Great Dane:
Take our breed match quiz
Answer a few quick questions about your lifestyle and living space to see which breeds — not just the Great Dane — actually fit best.
Take the Breed Match QuizFrequently asked questions
How much does a full-grown Great Dane weigh?
A full-grown Great Dane typically weighs 100-200 lb (45-91 kg), making it a giant breed. Males usually weigh 140-175 lb (64-79 kg) and females 110-140 lb (50-64 kg). Individual dogs vary within that range depending on sex, genetics, and body condition — use the Puppy Weight Predictor above for an estimate based on your specific puppy's current weight and age.
How tall is a full-grown Great Dane?
A full-grown Great Dane stands 28-32 in (71-81 cm) tall, measured at the shoulder (withers). Males are typically 30-32 in (76-81 cm) and females 28-30 in (71-76 cm).
When does a Great Dane stop growing?
As a giant breed, Great Danes can keep growing until 18-24 months, and controlled growth during puppyhood is critical to avoid skeletal problems. Height typically levels off a bit before this; larger breeds like this one keep adding muscle and body mass for months after they stop getting taller.
Is a Great Dane a good first dog?
The Great Dane is usually better suited to an owner with some prior dog experience. That doesn't rule out a well-prepared first-time owner, but the breed's needs are less forgiving of a learn-as-you-go approach.
How much exercise does a Great Dane need?
Relatively little compared to most breeds. A couple of shorter walks a day is usually enough for a Great Dane, though every dog still benefits from some daily activity.
Is a Great Dane good with kids?
Generally good with kids, especially with basic training and normal socialization. As with any breed, supervise younger children and teach them how to approach and handle the dog.
How much grooming does a Great Dane need?
About as wash-and-go as it gets. The Great Dane needs minimal brushing and rarely requires professional grooming.