Everything you need to know about Great Dane weight by age - from newborn puppies to fully grown adults. Track your dog's growth with our charts, feeding tips, and healthy weight guidelines for both males and females.
Great Danes are the world's tallest dog breed, and their weight trajectory is unlike any other. Males and females follow different growth curves from birth through adulthood. Use the chart below as a reference; individual dogs may vary based on genetics, diet, and overall health.
Male Great Dane Weight by Age
Age
Weight (lbs)
Weight (kg)
Height (inches)
Birth
1-2 lbs
0.45-0.9 kg
-
1 month
5-8 lbs
2.3-3.6 kg
-
2 months
18-26 lbs
8-12 kg
13-16 in
3 months
30-45 lbs
14-20 kg
17-21 in
4 months
45-65 lbs
20-29 kg
20-25 in
5 months
60-85 lbs
27-39 kg
23-28 in
6 months
65-100 lbs
29-45 kg
26-30 in
7 months
70-110 lbs
32-50 kg
27-32 in
8 months
80-120 lbs
36-54 kg
28-33 in
9 months
85-125 lbs
39-57 kg
28-34 in
10 months
90-135 lbs
41-61 kg
29-35 in
11 months
95-140 lbs
43-64 kg
30-35 in
12 months
100-145 lbs
45-66 kg
30-36 in
18 months
110-160 lbs
50-73 kg
30-36 in
Adult
110-175 lbs
50-79 kg
30-36 in
Female Great Dane Weight by Age
Age
Weight (lbs)
Weight (kg)
Height (inches)
Birth
1-1.5 lbs
0.45-0.7 kg
-
1 month
4-6 lbs
1.8-2.7 kg
-
2 months
13-20 lbs
6-9 kg
12-15 in
3 months
24-35 lbs
11-16 kg
16-20 in
4 months
35-55 lbs
16-25 kg
18-23 in
5 months
45-70 lbs
20-32 kg
20-25 in
6 months
55-85 lbs
25-39 kg
22-27 in
7 months
60-95 lbs
27-43 kg
23-28 in
8 months
70-105 lbs
32-48 kg
24-30 in
9 months
75-115 lbs
34-52 kg
25-31 in
10 months
80-120 lbs
36-54 kg
26-32 in
11 months
85-130 lbs
39-59 kg
27-33 in
12 months
90-135 lbs
41-61 kg
28-34 in
18 months
100-150 lbs
45-68 kg
28-35 in
Adult
100-160 lbs
45-73 kg
28-36 in
Feeding
How Much Should I Feed My Great Dane?
Long growth timeline<16 w weekly | 16-32 w biweekly | 32 w+ monthly
Feeding profile
Measured • Consistent • Giant-breed specific
Great Danes thrive on precise, portioned meals — not free-feeding. Consistent timing, correct formulas, and controlled portions are the foundation of a healthy weight.
Meal rhythm
2 meals daily, never free-fed
Space meals 8–12 hours apart. Always wait 60 minutes before or after any exercise to significantly reduce the risk of life-threatening bloat (GDV).
Portion-tracking note
Best measured by weight, not volume
Use a kitchen scale rather than a measuring cup. Accuracy matters more as your Dane grows — even 10% overfeeding per meal adds up to meaningful extra pounds over weeks.
Great Danes grow through distinct phases, each with different nutritional needs and health considerations. Understanding these stages helps you feed correctly and catch problems early.
Birth - 8 weeks
Neonatal & Weaning
Rapid early development. Relies entirely on mother's milk, then softened puppy food. Gains 1-2 lbs per week.
2 - 6 months
Fast Growth Phase
Gains 15-20 lbs per month. Bones and joints are forming. Avoid high-calorie or calcium-supplement overload.
6 - 12 months
Steady Growth
Growth slows to ~10 lbs per month. Height increases rapidly. Feed 3x per day until 6 months, then reduce to 2x.
12 - 18 months
Height Plateau
Growth plates begin to close. Height levels off. Muscle mass continues building. Begin transition planning to adult food.
18 - 24 months
Muscle-Building Phase
Most Danes reach full height. Still packing on lean muscle. A male at 150 lbs at 12 months may reach 175-180 by age 2.
2+ years
Full Adulthood
Fully grown in height and weight. Focus shifts to weight maintenance, joint health, and bloat prevention.
Growth
Growth & weight context
Growth graph
Great Dane male & female growth chart
Great Danes are the world's tallest dog breed, and their weight trajectory is unlike any other. Males and females follow different growth curves from birth through adulthood. Use the chart below as a reference; individual dogs may vary based on genetics, diet, and overall health.
Male & female chart
Adult range
45-79 kg
99.2-174.2 lb
Male adult
50-79 kg
110-175 lbs
Female adult
45-73 kg
100-160 lbs
Re-check cadence
2-4 weeks
Trend beats one weigh-in
Adult range 45-79 kg
Adult range 99.2-174.2 lb
Male rangeMale midpointFemale rangeFemale midpoint
Male and female Great Dane dogs follow different growth curves from birth through adulthood. Use the male chart for adult ranges around 50-79 kg and the female chart for adult ranges around 45-73 kg. Compare the trend with your dog's sex, age, and current weigh-ins before using the live estimate.
Calculator bridge
Want a live estimate from your dog's current age and weight?
Open the homepage calculator with Great Dane selected, add the latest weigh-in, then compare the result back against this guide.
The giant-breed band stays broad because Great Danes mature over a long window, and the reference line is there to show direction rather than a fast target.
This graph matters most when you read it patiently: steady development is usually better than trying to reach the top of the band early.
Use the calculator after repeat weigh-ins, then compare the live result back here to confirm the trend is progressing steadily rather than accelerating too fast.
When to re-check
<16 w weekly | 16-32 w biweekly | 32 w+ monthly
Larger breeds stay on a longer growth path, so steady repeat check-ins matter more than chasing quick gain.
Next action
Run the live estimate with this breed selected
Most useful after a fresh weigh-in, then compare the result back against this breed graph and the matching size chart.
Always feed two measured meals per day - never free-feed, because it significantly increases bloat risk.
Rule 2
Protect the exercise window
Wait at least 30-60 minutes after exercise before feeding and at least 1 hour after feeding before exercise.
Rule 3
Use giant-breed formula
Choose a giant breed-specific formula with controlled calcium and phosphorus to support healthy bone development.
Rule 4
Transition later
Switch from puppy to adult food at 18-24 months - much later than the 12-month switch recommended for small breeds.
Rule 5
Raised bowl setup
Use a raised food bowl 18-24 inches high to reduce neck strain and support a more comfortable eating posture.
Rule 6
Keep water available
Always provide unlimited fresh water - large breeds are more prone to dehydration, especially after activity.
Rule 7
Weigh portions precisely
Measure food with a kitchen scale instead of estimating by cup so portions stay accurate as your Great Dane grows.
Daily life
Temperament & daily fit
GentleCalmPeople-oriented
Good fit for
Homes that match this breed
Owners ready for a long growth timeline
Homes that can manage calm large-dog routines
People willing to track steady progress over time
Things to watch
What can change the trend
Rapid gain is not the goal
Controlled activity matters while joints develop
Long growth phases need patient monitoring
Care
Care routine
Feeding
Use measured giant-breed portions and focus on steady growth rather than fast gain.
Exercise
Controlled low-impact movement is more useful than intense exercise during growth.
Grooming
Low coat maintenance, but large-body checks should stay routine.
Training
Calm handling and early consistency matter because size changes quickly.
Warning signs
Warning Signs: Is Your Great Dane Overweight or Underweight?
Because Great Danes grow so rapidly and their healthy weight range is wide, it can be difficult to know when your dog has crossed into unhealthy territory. Here are the clear red flags to watch for.
Signs of obesity
Ribs are not palpable without firm pressure
No visible waist from above
Heavy fat deposits around neck, spine, and tail base
Reluctance to exercise or move
Labored breathing at rest
Waddling gait or stiffness in joints
Signs of being underweight
Ribs, spine, and hip bones clearly visible
Sharp, prominent shoulder blades
Muscle wasting along the back and hindquarters
Coat appears dull or brittle
Low energy and poor stamina
Picky eating or loss of appetite
FAQ
Frequently asked questions
Great Dane dogs usually land somewhere around 45-79 kg (99.2-174.2 lb), but frame and routine still create normal variation.
A 6-month-old Great Dane typically weighs between 65 to 100 pounds (29 to 45 kg). At this stage, they are in a rapid growth phase, and weight can vary depending on genetics, diet, and gender. Male Great Danes are usually on the higher end of the range, while females tend to be slightly lighter.
Adult Great Danes usually weigh between 110 to 175 pounds (50 to 79 kg). Males are generally larger, averaging 140 to 175 pounds, while females typically weigh between 110 to 140 pounds. Their large size makes them one of the biggest dog breeds in the world.
Use the calculator when you know age and current weight, then compare that result with the matching size chart for added context.
Keep monitoring trend direction. Activity changes, meals, and treats can temporarily move the estimate without meaning the long-term path is wrong.
Talk to your vet if your Great Dane gains very rapidly, loses normal appetite, seems reluctant to move, or starts falling away from the expected line across multiple checkpoints.
