Question 1

How much should a Great Dane weigh?

Accepted Answer

The ideal weight for a Great Dane is 99.2–198.4 lbs (45–90 kg). Giant breeds have slower metabolisms, so weight management is especially important.

Question 2

How many calories does a Great Dane need per day?

Accepted Answer

A typical adult Great Dane weighing about 149 lbs (68 kg) needs approximately 2638–3297 kcal per day, depending on activity level and neuter status.

Question 3

Is my Great Dane overweight?

Accepted Answer

59% of dogs are overweight. Check your Great Dane's Body Condition Score (BCS) — if you can't easily feel their ribs or they have no visible waist, they may be overweight. Take our free 2-minute BCS assessment.

Question 4

How big does a Great Dane get?

Accepted Answer

A full-grown Great Dane stands 71–81 cm (28.0–31.9 inches) tall and weighs 99.2–198.4 lbs (45–90 kg).

Question 5

What is the lifespan of a Great Dane?

Accepted Answer

The average lifespan of a Great Dane is 7–10 years. Giant breeds typically have shorter lifespans.

Question 6

When do Great Danes stop growing?

Accepted Answer

Most Great Danes reach their full adult weight between 18 and 24 months of age. Giant breeds are the slowest to mature and can keep growing until 18–24 months. Use the growth milestones section above to track if your Great Dane is growing at a healthy rate.

Question 7

How can I tell if my Great Dane is overweight?

Accepted Answer

Check three signs: (1) You can't feel your Great Dane's ribs easily under the fur. (2) From above, there's no visible waist behind the ribs. (3) From the side, the belly doesn't tuck up after the chest. If any of these apply, your Great Dane may be carrying extra weight. Use the Body Condition Score checker above for a quick assessment, or consult your vet.

Question 8

How much should a Great Dane puppy weigh at 3 months?

Accepted Answer

A 3-month-old Great Dane typically weighs 39.7–99.2 lbs (18.0–45.0 kg). Use our Puppy Weight Predictor to estimate your puppy's adult weight based on current age and weight.

Question 9

What is the best diet for a Great Dane to maintain healthy weight?

Accepted Answer

Adult Great Danes typically need 2638–3297 calories per day, depending on activity level. Feed a high-quality dog food appropriate for their life stage (puppy, adult, or senior) and size. Use our Calorie Calculator for a personalized daily food amount recommendation.

Question 10

How much exercise does a Great Dane need?

Accepted Answer

Great Danes are a giant-sized breed and typically need 45–60 minutes of exercise per day. This includes walks, play time, and mental stimulation. Adjust based on your dog's age and health — puppies need shorter, gentler sessions while healthy adults can handle more.

Weight Range	99.2–198.4 lbs (45–90 kg)
Height	71–81 cm (28.0–31.9 inches)
Full Growth	18–24 months
Daily Calories	~2638–3297 kcal (adult, neutered)

Great Dane Weight & Calorie Guide

Quick Facts

Ideal Weight Range

Great Dane Calorie Calculator