Great Dane Water Drinking Guide. Great Dane Water Calculator.

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How Much Water Should a Great Dane drink?

Hydrating your hound is very important since water makes up approximately 56 percent of an adult Great Dane`s body weight (73 percent of lean body mass). Water is an essential nutrient for your Great Dane`s existence.

Your Great Dane needs to drink the right amount of water that suits its age, weight, and activity level.

Drinking too much water is not good for your Great Dane, and neither is drinking too little water.

According to the recommendations by the vets at PetMD, a dog should drink, in milliliters, 50 times its weight in kilograms. That is, a 10 kg dog needs 500 milliliters of water (2.1 cups).

An adult Great Dane weighs 66.7 Kg (147.0 pounds), and therefore requires 3340.9 milliliters (113.0 ounces or 14.1 cups) of water every day, given that your dog is not a very active dog.

Essentially, the amount of water your Great Dane needs a day depends very much on how much your Great Dane weighs.

Also, the amount of water your Great Dane drinks depends on your Great Dane activity level. Very active dogs need more water than inactive dogs.

Use our Great Dane water calculator to estimate how much water your Great Dane should drink every day based on its weight and activity level.

The Great Dane is generally a high-activity level dog breed. So, your Great Dane will drink more water than the regular average dog breed.

Activity Levels in Dogs

To find out how much food you need to be feeding your Great Dane, check out our Great Dane feeding guide and food calculator.

How to Calculate How Much Water Your Great Dane Needs

Enter the weight and activity level of your Great Dane in the Great Dane water calculator below to estimate how much water your Great Dane needs.

Great Dane Water Calculator

Your Great Dane`s Weight:   

Activity Level:




Daily Water requirement:

*1 cup = 8 fluid ounces = 236.588 milliliters

Our Great Dane water calculator above is based on the dog water drinking recommendation provided by the vets at PedMD.com.

However, PetMD`s recommendation applies only to dogs with low activity levels.

However, our calculator goes further to provide recommendations on how much water Great Danes of different activity levels (low, medium, and high) need.

In our calculator, a medium-activity level Great Dane needs one and a half as much water as a low-activity level Great Dane each day. Similarly, a high-activity level Great Dane needs twice as much water as a low-activity level Great Dane needs.

Check out our dog water calculator for all dog breeds here.

One way to improve your Great Dane`s water drinking experience is to buy your dog a water fountain.

A water fountain will also encourage your Great Dane to drink enough water.

This is because the continuously flowing stream of water with a fresh taste from a water fountain will entice your Great Dane to drink enough water.

Furthermore, pet water fountains continuously filter the water that it delivers to your dog. A water fountain ensures that your Great Dane has access to clean fresh filtered water all the time.

Giving your Great Dane water from a fountain is more hygienic than giving your Great Dane water from a water bowl.

This is because water in the water bowl usually lays around all day, getting polluted as it lays around.

Here are the best water fountains that we recommend for your Great Danes. These water fountains are durable, made with food-grade materials, and operate very quietly with little noise:

  1. The PetSafe Drinkwell 2 Gallon Pet Fountain with Adjustable Stream. Click here to check price on Amazon.
    Dog Water Fountain
How to measure a cup of water for your Great Dane. Cup available here on Amazon

How Much Water Should a 80-Pound Great Dane Drink?

A 80-pound Great Dane should drink 123.0 ounces (15.4 cups) of water every day.

Great Danes are generally high-activity dogs, and about 123.0 ounces is the amount of water a High Activity Level 80-pound Great Dane needs every day.

However, if your 80-pound Great Dane is a low-activity dog, then it will need about 61.5 ounces of water (7.7 cups) every day.

Similarly, if your 80-pound Great Dane is of medium activity, then it will need about 92.2 ounces of water (11.5 cups) every day.

Use our Great Dane dog water calculator to find out how much water Great Dane should drink at different weights.

Low Activity Medium Activity High Activity
61.5 ounces (7.7 cups) 92.2 ounces (11.5 cups) 123.0 ounces (15.4 cups)
How Much Water a 80-pound Great Dane should drink

How Much Water Should a 46-week-Old Great Dane Drink?

The average weight of 46-week-Old Great Dane is 131 pounds (59.2 kg).

Learn how much 46-week-Old Great Dane should weigh here.

A 131-pound Great Dane should drink 201.3 ounces (25.2 cups) of water every day.

Great Danes are generally high-activity dogs, and about 201.3 ounces is the amount of water a High Activity Level 131-pound Great Dane needs every day.

However, if your 131-pound Great Dane is a low-activity dog, then it will need about 100.7 ounces of water (12.6 cups) every day.

Similarly, if your 131-pound Great Dane is of medium activity, then it will need about 151.0 ounces of water (18.9 cups) every day.

Use our Great Dane dog water calculator to find out how much water Great Dane should drink at different weights.

Low Activity Medium Activity High Activity
100.7 ounces (12.6 cups) 151.0 ounces (18.9 cups) 201.3 ounces (25.2 cups)
How Much Water a 131-pound Great Dane should drink

How Much Water Should a 11-month-Old Great Dane Drink?

The average weight of 11-month-Old Great Dane is 128 pounds (58.1 kg).

Learn how much 11-month-Old Great Dane should weigh here.

A 128-pound Great Dane should drink 196.7 ounces (24.6 cups) of water every day.

Great Danes are generally high-activity dogs, and about 196.7 ounces is the amount of water a High Activity Level 128-pound Great Dane needs every day.

However, if your 128-pound Great Dane is a low-activity dog, then it will need about 98.4 ounces of water (12.3 cups) every day.

Similarly, if your 128-pound Great Dane is of medium activity, then it will need about 147.6 ounces of water (18.4 cups) every day.

Use our Great Dane dog water calculator to find out how much water Great Dane should drink at different weights.

Low Activity Medium Activity High Activity
98.4 ounces (12.3 cups) 147.6 ounces (18.4 cups) 196.7 ounces (24.6 cups)
How Much Water a 128-pound Great Dane should drink

How Much Water Should a 47-week-Old Great Dane Drink?

The average weight of 47-week-Old Great Dane is 132 pounds (59.8 kg).

Learn how much 47-week-Old Great Dane should weigh here.

A 132-pound Great Dane should drink 202.9 ounces (25.4 cups) of water every day.

Great Danes are generally high-activity dogs, and about 202.9 ounces is the amount of water a High Activity Level 132-pound Great Dane needs every day.

However, if your 132-pound Great Dane is a low-activity dog, then it will need about 101.4 ounces of water (12.7 cups) every day.

Similarly, if your 132-pound Great Dane is of medium activity, then it will need about 152.2 ounces of water (19.0 cups) every day.

Use our Great Dane dog water calculator to find out how much water Great Dane should drink at different weights.

Low Activity Medium Activity High Activity
101.4 ounces (12.7 cups) 152.2 ounces (19.0 cups) 202.9 ounces (25.4 cups)
How Much Water a 132-pound Great Dane should drink

How Much Water Should a 11-month-Old Great Dane Drink?

The average weight of 11-month-Old Great Dane is 128 pounds (58.1 kg).

Learn how much 11-month-Old Great Dane should weigh here.

A 128-pound Great Dane should drink 196.7 ounces (24.6 cups) of water every day.

Great Danes are generally high-activity dogs, and about 196.7 ounces is the amount of water a High Activity Level 128-pound Great Dane needs every day.

However, if your 128-pound Great Dane is a low-activity dog, then it will need about 98.4 ounces of water (12.3 cups) every day.

Similarly, if your 128-pound Great Dane is of medium activity, then it will need about 147.6 ounces of water (18.4 cups) every day.

Use our Great Dane dog water calculator to find out how much water Great Dane should drink at different weights.

Low Activity Medium Activity High Activity
98.4 ounces (12.3 cups) 147.6 ounces (18.4 cups) 196.7 ounces (24.6 cups)
How Much Water a 128-pound Great Dane should drink

Other Factors that Affects How Much Water Your Great Dane Needs

In addition to its weight and activity level, your Great Dane may need more or less water depending on other factors in your Great Dane`s life such as:

  • The weather: Great Danes need more water during the hot summer than in the cold winter.
  • Your Great Dane`s Diet: Great Danes that eat moist/wet food will require less water than Great Danes that eat dry food (kibble). Wet dog food contains 65-80% water, while dry dog food contains 10-12% water.
  • Your Great Dane`s age: Senior Great Danes are generally more laid back than younger Great Danes, therefore senior Great Danes need less water.
  • Pregnant Great Danes and lactating Great Danes: These need more water than normal.
  • Great Danes on Medication: Certain medications may make your Great Dane drink more water.

Great Dane Not Drinking Enough Water

If your Great Dane is not drinking enough water, then your Great Dane is at risk of dehydration, and the problems that come with dehydration.

Problems that come with your Great Dane not drinking enough water include urinary tract issues like kidney stones and organ failure.

Your Great Dane may be drinking less water than usual because of the following reasons:

  • Your Great Dane has limited access to fresh clean water.
  • You changed your Great Dane`s food (e.g. from dry food to wet food)
  • You changed your Great Dane`s water source
  • The weather is cooler than it used to be
  • Your Great Dane is less active than it used to be
  • Your Great Dane is growing old

If none of these applies to your Great Dane, then it might be that your Great Dane has an underlying health condition and you might want to talk to your vet.

Also, your Great Dane may drink less water if it does not have access to clean fresh water always.

Some dogs are picky drinkers, and they won`t drink water that is not fresh or water with dirt and debris in it.

If your Great Dane is a picky drinker as such, then you should consider getting your Great Dane a water fountain like one of these. A water fountain will entice your Great Dane to drink water. With a water fountain, you can be sure that your Great Dane will have access to fresh clean water always.

Also, oral infections such as tooth decay, gum decay, and broken tooth are some of the reasons your Great Dane might not be drinking enough water.

Check your Great Dane`s mouth for any oral infection. When checking your Great Dane`s mouth, pay attention to the smell of your Great Dane`s breath to make sure that your Great Dane does not have bad breath as bad breath could be a sign of oral infection.

Furthermore, if you recently changed your Great Dane`s water source, and your Great Dane starts drinking less water, then you might want to change back to the old source.

Great Dane Drinking Too Much Water

Your Great Dane may be drinking too much water simply because you give it unrestricted access to water. Also, your Great Dane may be drinking too much because it has a health problem such as diabetes.

If your Great Dane is drinking too much water, then your Great Dane is at risk of overhydration and the problems that come with overhydration.

Problems that come with water overhydration in dogs include staggering, loss of coordination, vomiting, dilated pupils, over salivation, and stomach bloat.

Excessive and unexplainable thirst in your dog is called polydipsia. Polydipsia makes your dog drink more.

Ordinarily, when your Great Dane drinks too much water for just a day or two, there may be nothing to be worried about. However, if this condition persists, you should see a veterinarian.

Also, if your Great Dane is drinking too much water, then your Great Dane will need to urinate frequently and take unnecessary bathroom breaks. This can be an inconvenience for your if you have to take your Great Dane out of the house for its bathroom breaks.

If your Great Dane is drinking too much water for no obvious reason, talk to your vet. However, if your Great Dane is drinking too much water because it has access to water, then limit your Great Dane`s access to water.

Do Great Danes Drink a Lot of Water?

The amount of water a Great Dane needs is proportional to the Great Dane`s body weight and activity level. Older bigger adult Great Danes drink a lot of water compared to younger smaller Great Danes.

Also, Great Danes that are not very active drink a lot less water than very active Great Danes. Also, Great Danes drink lots of water in the hot summer months than in the cold winter months.

To find how much water your Great Dane should be drinking, use our Great Dane dog water calculator to estimate your Great Dane`s daily water needs.

How to Tell if Your Great Dane is Drinking Too Much, Too Little, or Enough Water

A simple way to check if your Great Dane is drinking too much, too little or enough water is to first measure a large volume of water (many cups).

Then, at the start of the day, pour this water into your Great Dane`s bowl so that your Great Dane can drink water without a limit.

Then, in the evening, measure the amount of water left in your Great Dane`s water bowl.

Then, subtract the amount of water left in the bowl in the evening from the initial amount of water that you put in the bowl in the morning. This will give you how much water your Great Dane has drunk.

Finally, use our Great Dane dog water calculator to check to see how the amount of water your dog has drunk compares with how much water your dog should be drinking for its size and its activity level.

This will tell you if your dog is drinking too much, too little, or just enough water.

Then you can switch to giving your Great Dane water with a water fountain.

How To Tell If Your Great Dane is Dehydrated

If your Great Dane is not drinking enough water she may become dehydrated. Dehydration in dogs can have mild to severe consequences. Always be on the watch to prevent the accidental dehydration of your Great Dane. Here are ways to know if your dog is dehydrated:

  • Check her gums: Press on her gums and release it; if it quickly becomes pink back, she is not dehydrated. If it remains white, she may be dehydrated.
  • Loss of skin elasticity: You can check your dog`s hydration level by pinching her skin. If her skin goes flat right away, that is a sign that your dog is properly hydrated. However, if it takes several seconds for your dog`s skin to go flat after a pinch, then that could be a sign that your dog is dehydrated.
  • Weakness and low activity: A dehydrated dog will be weaker and less active than usual.
  • Dry mouth: If your dog`s mouth is dry or if your dog salivates less, then she may be dehydrated and need water.
  • Dry Nose

Conclusion

To keep your Great Dane in good health, you need to keep your Great Dane hydrated. Therefore, you need to keep an eye on your Great Dane`s water intake to make sure your Great Dane is getting the right amount of water that it needs.

To encourage your Great Dane to drink enough water, make sure that your Great Dane has access to clean water all the time.

A good way to ensure your Great Dane has clean water available to it is to invest in a good water fountain like one of these.

If you think your Great Dane is drinking an unusual amount of water (too much or too little), then do not hesitate to speak with a pet vet.

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