How Much Water Should a Dog Drink Each Day?

Water is one of the most important nutrients in your dog's diet, yet many pet owners don't know how much their dog should actually be drinking.

Hydration supports everything from digestion and circulation to temperature regulation and overall wellbeing. While every dog is different, understanding their daily water needs can help you spot potential problems before they arise.

How Much Water Does a Dog Need?

As a general guide, most healthy dogs require approximately 50-60ml of water per kilogram of body weight per day.

For example:

These figures are a guide only and individual needs can vary.

What Factors Affect Water Requirements?

Weather

Dogs typically require more water during warmer weather.

Higher temperatures can increase fluid loss through panting, making hydration especially important during summer.

Exercise

Active dogs often need additional water before, during and after exercise.

Long walks, hiking, play sessions and sporting activities can all increase fluid requirements.

Diet

Dogs fed dry kibble generally consume more water than dogs fed wet or fresh food because their diet contains less moisture.

Age

Puppies and senior dogs may have different hydration needs and can sometimes be more vulnerable to dehydration.

Health Conditions

Certain illnesses can affect thirst and water consumption.

If you notice a sudden increase or decrease in drinking habits, it's worth discussing with your veterinarian.

How Can You Tell If Your Dog Isn't Drinking Enough?

While every dog drinks differently, some common warning signs include:

• Dry or sticky gums
• Excessive panting
• Reduced energy levels
• Loss of appetite
• Sunken eyes
• Reduced skin elasticity

If you'd like to learn more, read our guide on Signs Your Dog Is Dehydrated.

Tips to Encourage Your Dog to Drink More Water

Keep Water Fresh

Many dogs prefer fresh, clean water and may drink more when bowls are cleaned regularly.

Use Multiple Water Bowls

Placing water bowls in different areas of the home can encourage more frequent drinking.

Bring Water on Walks

Portable water bottles and bowls make it easier for dogs to stay hydrated while out and about.

Monitor Intake During Hot Weather

Increased temperatures can significantly increase hydration requirements.

Create a Daily Hydration Routine

Consistency often helps dogs maintain healthy drinking habits over time.

When Should You Be Concerned?

Changes in drinking behaviour can sometimes indicate an underlying health issue.

Contact your veterinarian if your dog:

• Stops drinking water completely
• Appears lethargic or unwell
• Has persistent vomiting or diarrhoea
• Shows signs of dehydration
• Suddenly drinks significantly more water than usual

Final Thoughts

Water plays a vital role in your dog's everyday health.

While most dogs need around 50-60ml of water per kilogram of body weight each day, factors such as weather, exercise, diet and age can all influence hydration needs.

Monitoring your dog's drinking habits and encouraging consistent hydration can help support their overall wellbeing and keep them feeling their best.

Related Reading

• Signs Your Dog Is Dehydrated: 10 Symptoms Every Pet Owner Should Know
• Prebiotics vs Probiotics for Dogs: What's the Difference?
• 7 Signs Your Dog May Need Joint Support
• Winter Wellness for Dogs: Hydration, Joints & Gut Health in the Cooler Months
• Ziggy's Story
  

About the Author

Sip & Wag was inspired by my dog Ziggy and a simple belief: supporting your dog's health shouldn't be complicated.

I'm passionate about hydration, gut health, mobility and everyday wellbeing, and I'm committed to sharing practical, evidence-based information to help dog parents make informed decisions.

Disclaimer

This article is intended for educational purposes only and should not be considered veterinary advice. If you have concerns about your dog's health, hydration, diet or medical condition, please consult your veterinarian.