A fully grown male Great Dane usually stands 30 to 34 inches at the shoulder and weighs 140 to 175 pounds. Females typically reach 28 to 32 inches and 110 to 140 pounds. Most Great Danes reach close to their adult height between 18 and 24 months, then keep filling out through the chest and shoulders until roughly two and a half to three years of age. At six months a Dane is often already past 80 pounds, which is why steady growth matters so much in this breed.
If you are watching a Great Dane puppy gain weight by the week and wondering whether that pace is normal, you are asking exactly the right question. A puppy who weighed 25 pounds at eight weeks can be carrying more than a hundred pounds before the first birthday. This guide gives you a clear weight picture by age, a timeline for when growth settles, and the daily habits that help your Dane grow into the calm, elegant giant the breed is loved for.
How much should a Great Dane weigh by age?
A fully grown male Great Dane usually weighs 140 to 175 pounds and stands 30 to 34 inches at the shoulder. Females typically weigh 110 to 140 pounds and stand 28 to 32 inches. Along the way, a Dane puppy is often near 30 pounds at two months, 55 to 70 pounds at four months, 80 to 100 pounds at six months, and 110 to 140 pounds by the first birthday, with females tracking below males at every stage.
Bloodline, sex, appetite and feeding all shape the final number, and Danes vary more than most breeds because some lines run tall and lean while others run heavier. Treat these ranges as a guide rather than a target to chase. How your Dane arrives at adult size matters far more than the number on the scale in any given week.
What makes a Great Dane grow the way it does
The Great Dane is a giant breed built on height rather than bulk. Bred as a boar hound and later refined into a dignified companion, the Dane carries a long, elegant frame with a deep chest and a body that is surprisingly light for its height. That shape explains the growth pattern. A Dane shoots upward first and fills in afterwards, so the leggy adolescent stage lasts longer here than in almost any other breed.
The scale of the job is what sets the Dane apart. Every pound added during that first year has to be carried by cartilage, bone and connective tissue that is still forming. That is why Dane parents are told to feed for slow growth rather than fast growth. It is not about producing a smaller dog, since your Dane reaches the same adult size either way. It is about giving the frame time to keep up.
Great Dane growth chart, month by month
Use this chart as a friendly guide, not a report card. A Dane who tracks a little above or below these numbers while looking lean and comfortable on the move is usually doing just fine.
| Age | Male weight | Female weight |
|---|---|---|
| 2 months | 25 to 35 lb | 20 to 30 lb |
| 3 months | 40 to 55 lb | 35 to 45 lb |
| 4 months | 55 to 70 lb | 45 to 60 lb |
| 5 months | 70 to 85 lb | 60 to 75 lb |
| 6 months | 80 to 100 lb | 65 to 85 lb |
| 9 months | 100 to 120 lb | 85 to 105 lb |
| 12 months | 110 to 140 lb | 95 to 115 lb |
| 18 months | 130 to 160 lb | 105 to 130 lb |
| 2 years plus | 140 to 175 lb | 110 to 140 lb |
Notice how much of the total arrives early. By six months a male Dane often carries more than half his adult weight, and by twelve months he is close to eighty percent of it.
When do Great Danes stop growing?
Great Danes reach most of their adult height between 18 and 24 months. After that the change is about substance rather than inches. Your Dane broadens through the chest and shoulders and the whole outline settles into proportion, usually until two and a half to three years of age. A tall, narrow, slightly awkward looking eighteen month old Dane is completely on schedule.
As a rough guide, dogs with an expected adult weight of 130 to 180 pounds and more keep developing for roughly 24 to 30 months. Because so much of the frame is set during the first eighteen months, that stretch is your prime time to build strong habits around food, movement and joint support.
Why the growth window matters so much in a giant breed
During this window your Dane is laying down the cartilage, bone and connective tissue that will carry a body taller than most breeds ever get. Growth plates, the soft areas at the ends of the long bones, stay open well past the first birthday in giant breeds. While they are open, hard impact and extra body weight ask a great deal of a frame that is still forming.
Growing Too Fast
Rapid gain is the classic giant breed pitfall. Aim for a steady curve so the frame keeps pace with the body.
Excess Weight
Every extra pound is carried on tall, developing legs. A lean Dane moves more comfortably now and later.
Too Much Impact
Stairs, hard sprints and repeated jumping on open growth plates are best kept to a minimum while young.
Extra Calcium
Supplementing calcium on top of a complete puppy food can upset the mineral balance a giant breed needs. Ask your veterinarian first.
How much should a Great Dane eat while growing?
Giant breed puppies do best with steady, moderate growth. An even growth curve supports comfortable movement now and for years to come, and in a Dane it is the most important thing you control. A few practical habits make a real difference:
- Choose a complete food formulated for large breed puppies, which balances calories, calcium and phosphorus for slower, steadier growth.
- Split the daily amount into three or four smaller meals while young, then two as an adult. Frequent smaller meals suit a deep chested breed better than one large bowl.
- Feed to a lean body condition. You should feel the ribs easily under a light layer. If you cannot, ease back on portions.
- Skip the extra calcium and the growth boosters. A complete giant breed puppy food already carries the right mineral balance.
- Ask your veterinarian to confirm the right daily amount at each checkup, since the correct portion changes quickly in the first year.
How to check your Dane body condition in ten seconds
The scale tells you weight, but body condition tells you health, and in a growing Dane the scale moves so fast it is hard to read on its own.
- Ribs. Run your hands along the sides. You should feel the ribs easily under a thin layer. If you have to press, ease back on food.
- Waist. Look down from above. You want a clear waist that tucks in behind the ribs.
- Tuck. From the side, the belly should rise toward the back legs rather than hanging level.
Check every couple of weeks through the growth years and adjust portions with your veterinarian guidance. A slightly lean Dane puppy is exactly what most veterinarians want to see.
Growth safe exercise for a Great Dane puppy
Danes are calmer than their size suggests, and a young Dane needs far less exercise than new parents expect. During the fast growth months the goal is gentle, regular activity.
- Favor free play on soft ground, short walks and plenty of sniffing time.
- Keep long runs, hard sprints and repeated jumping to a minimum while the growth plates are still open.
- Manage stairs and car entry deliberately. Lift a young puppy, then teach a ramp as your Dane gets too heavy to carry.
- Put down rugs or runners on slippery floors. Splayed legs on tile are a daily hazard for a tall puppy.
- Let your puppy rest fully between bursts of activity. Danes sleep a great deal while growing, and that rest is doing real work.
Protecting a tall frame
A Great Dane asks more of its joints than almost any other companion breed, because of the height and the speed of the build. Supporting healthy joint development while your Dane is still assembling that frame is a simple habit that pays off across a giant breed life.
Alongside lean feeding and calm exercise, many big dog parents add a daily joint support chew made for large and giant breeds. MoveGuard Growth is built for exactly this stage. It combines nine actives, including New Zealand Green Lipped Mussel, glucosamine, chondroitin, MSM and hyaluronic acid, to support the developing joints of young large breed dogs across the roughly 8 to 30 month growth window. You dose by expected adult weight, so a Great Dane sits at three chews a day. It is made in the USA, with 90 chews per jar and a 60 day guarantee.
Support A Growing Giant
Give your growing Dane daily joint support built for large and giant breeds. Explore MoveGuard Growth.
Signs your Great Dane is growing on track
You do not need a weekly scale reading to know things are going well. Look for a bright, settled puppy with a visible waist from above, ribs you can feel with light pressure, straight legs that track cleanly at a trot, a steady appetite and long, easy sleep.
If you ever notice limping, stiffness after rest, reluctance to stand up, swelling around a joint, or growth that suddenly accelerates, a quick chat with your veterinarian brings peace of mind and lets you adjust food or activity early.
A simple growth game plan, stage by stage
You do not need a complicated program to raise a sound Dane. You need the right emphasis at the right time.
8 weeks to 4 months. Foundation stage. Focus on a complete giant breed puppy food, three or four calm meals a day, early socialisation and short bursts of free play on soft ground. Start lead manners now, while your Dane still weighs less than you do.
4 to 8 months. The fastest stretch. Your Dane may look impossibly tall and narrow, and the weight arrives quickly. Keep feeding lean, keep exercise gentle, and build careful habits around stairs and car entry. This is the natural point to begin a daily joint support routine.
8 to 18 months. Height approaches its peak while the body catches up. Match portions to a lean body condition, since a big appetite can outpace need. Add structured activity gradually, favouring soft surfaces.
18 months to 3 years. The gangly adolescent becomes a broad, dignified adult. Height changes little while chest and muscle continue to develop. Build activity up as your veterinarian advises, and many parents keep a joint support routine going into adulthood.
Common growth mistakes to avoid
Most growth trouble in giant breeds comes from a few avoidable habits.
- Feeding for size. A heavy young Dane is not a healthier one, and a fast growing puppy does not become a bigger adult. Feed lean and let the height arrive on its own timeline.
- Adding calcium to a complete food. Giant breed formulas are balanced deliberately, and adding minerals on top can undo that work. Check with your veterinarian first.
- Too much hard exercise, too young. Long runs, jumping and stair climbing are a lot to ask of open growth plates on a puppy this tall.
- Slippery floors. A simple runner across tile or laminate is one of the cheapest and most useful things you can do for a growing Dane.
- Waiting for a problem before supporting joints. The growth window is the ideal time to support developing joints, not after signs appear.
The Great Dane temperament and the growth years
The Great Dane is famously gentle, and that temperament shapes the growth years as much as the feeding bowl does. This is a sensitive, affectionate, deeply people focused breed that would rather lean against you than run laps. Danes are calm indoors, tolerant and unusually attached to their families.
That sensitivity means training works best when it is quiet and positive. Harsh corrections land badly with a Dane, while patient repetition and gentle praise produce a dog who is a pleasure to live with. Focus the growth years on manners that scale, because everything your Dane does at 60 pounds will be done at 160. Polite lead walking, a reliable settle and calm greetings are worth more than any trick. Puzzle feeders and scent games satisfy a Dane without asking anything of young joints. Socialise widely and calmly through the first year and you end up with the composed giant the breed is famous for.
Frequently asked questions
At what age is a Great Dane full grown?
Most Great Danes reach their adult height between 18 and 24 months, then keep filling out through the chest and shoulders until roughly two and a half to three years of age. Height comes first and substance comes later, so a tall, narrow two year old Dane is perfectly normal.
How much does a full grown Great Dane weigh?
A fully grown male Great Dane usually weighs 140 to 175 pounds and a female weighs 110 to 140 pounds, though individual dogs vary with bloodline, sex and body condition.
How big is a Great Dane at 6 months?
At 6 months a male Great Dane often weighs around 80 to 100 pounds and a female around 65 to 85 pounds. That is already more than half of the adult weight, which is why lean feeding matters at this stage.
Are Great Danes prone to joint issues?
As a giant, fast growing breed, Great Danes place real demand on their joints, so steady growth, a lean body condition, gentle exercise and daily joint support during the growth window are all sensible ways to support long term comfort. Speak with your veterinarian about your individual dog.
What should I feed a Great Dane puppy?
A complete food formulated for large or giant breed puppies is the safest choice, because it balances calories and minerals for slow, steady growth. Feed to a lean body condition, avoid adding calcium, and confirm portions with your veterinarian at each visit.
The bottom line
Your Great Dane will most likely mature into a 110 to 175 pound giant who reaches adult height between 18 and 24 months and finishes filling out by two and a half to three years. Feed for lean, steady growth, keep exercise gentle while those tall legs develop, manage floors and stairs thoughtfully, and support the growth window with the right daily habits. That is how you raise a sound, comfortable Dane.
Want the simple roadmap in one place? Grab our free Big Dog Growth Guide for the growth window checklist, feeding framework and joint safe exercise limits, all written for large and giant breeds.
This article is for general educational purposes only and is not veterinary advice. It is not intended to diagnose, treat, cure or prevent any disease. Always consult your veterinarian about your dog’s individual health, nutrition and supplement needs. These statements have not been evaluated by the Food and Drug Administration.
Support Big Breed Joints from Day One
Large and giant breeds carry more load through every growth stage. MoveGuard Growth supports developing joints in young big dogs (8 to 30 months); MoveGuard Adult keeps grown big dogs moving comfortably.
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