How Long Can Cats Survive Without Water?

Cat refusing to drink water for a few days.

No one on our planet can survive for an extended time without water. Water makes up more than half of our bodies, whether they are humans or cats. A human is composed of about 60% water in its body. In comparison, cats consisted approximately 67 % of water in their body. As a result, we need water to replace any that has been lost. What is the maximum length of time a cat can go without water?

The accessibility of water is one of the essential needs for both people and animals. Obtaining enough water is vital for maintaining good health and replacing the fluids lost through urination and perspiration. Felines must have access to clean drinking water at all times since they perform all of the activities in their world.

Nevertheless, certain variables may help you determine how long your cat will be able to endure. Of course, this does not imply that you should push your pet’s boundaries by disregarding its reluctance to drink.

Consequently, if anything like this occurs with your feline, it is a severe cause for worry. You will uncover all the answers to query how long a cat can survive without water in this article.

How Long Can a Cat Go Without Water?

A typical housecat can survive on water for a few days without food. If a cat is not provided any water or food for a period of seven days, it will likely die. The muscular mass of a feline diminishes with time. If a cat drinks water and eats nothing else, it can live for up to 15 days without eating anything.

If your cat buddy does not have access to water, the optimum time for him to live is no more than four days. The average cat cannot live for more than a week to ten days if they consume food and do not drink any water at all.

However, after this stage has been passed, there is a chance that your cat may have difficulties with life-threatening conditions such as renal failure. There is one case a cat was locked up in a room for a total of 10 days by the authorities. There was no water, and the office was closed. The cat managed to live and doing well after those days.

The resolution to this query is not as straightforward as some may believe it will be a week or two weeks. Some think it will take three days, while others believe it will take seven. There is no consistent answer at all!

There is no absolute answer to this query since it is only measured on how long your cat can endure and how well its body to go through in these paces. It all depends on the cats themselves. 

Other Factors That Affects The Duration Cats Can Go Without Water


Kittens consume less water than an adult due to their smaller size. Therefore, a bigger cat will dehydrate more quickly than a smaller cat or kitten.


A more active cat will need more water. Running and playing may cause them to lose water, which they must replenish with more water to keep up with their activity level and prevent dehydration.


Larger cats would require greater amounts of water to restore their big bodies as opposed to smaller cats with tinier bodies.


Food has an impact on how much water they consume. If they are consuming canned food containing about 80 percent water, this may help compensate for some water loss. Dry food depletes its body’s water supply, requiring it to consume extra water as a result. A mixed diet is preferable to dry food when it comes to water intake, but it is worse than a purely soft diet. If, on the other hand, your cat is eating dry food, it may be experiencing problems with water intake. It’s important to understand that granulated food includes just 6 to 10% water by volume.

Emotional State

Your cat can consume extra water if they are experiencing strong emotions such as fear, rage, and enthusiasm. As a result, they will be compelled to drink more. If your cat followed you to the garden shed and you didn’t see your cat since it snuck behind boxes, or you confined it to a room, your cat would panic at some time and get scared and worried due to its inability to get out of the situation. It becomes more hazardous for your kitten to go without water for the three days it may go without drinking since your cat is burning up more of its valuable fluids due to its fear.

Frequency of Urination

Cats excrete 2 – 4 times a day on average. However, there is no definite routine that it can use to define the proper rate of urine in cats. The quantity and frequency of urine are significantly affected by the amount and frequency of water consumed. 

Each cat is an individual, and this is true of the number of times they urinate in a day. You should be conscious of your cat’s typical urine frequency and utilize this information as a starting point for your care.

Indoor Vs Outdoor Cat (Domestic and Feral)

 It will have an impact on water consumption as well. Since indoor cats are in a regulated setting, they will do better than their outdoor counterparts throughout the hotter months of the year, particularly during the summer. Outdoor cats, on the other hand, seek prey and drink the water that they provide. Cats who live outside the environment need to drink more when the weather is hot to compensate for their water loss due to their outdoor lifestyle.

Weather and Environment

It is possible to get dehydrated in hot or tropical climates if you drink less water than you should. It is possible that a significant amount of water is released from the feline’s own body in the form of perspiration and that the water released can be replenished by drinking water, but this is not occurring since the cat is not drinking enough water.

If your buddy is preoccupied, the amount of water consumed will be much more. If your furry companion is suffering from another kind of illness, this may frequently result in a shortage of fluids.


Further, the breeding of your cat has an impact on their health. If it is given poor survival genetics, it will not be able to survive. If a feline is born with high survival genetics, it will live for a longer time. In addition, wild cats are designed to live for a longer time than their domesticated counterparts Cats in the wildlife only on the prey they capture for themselves. They rely on water being accessible at watering holes rather than in a dish in the kitchen to survive.

How Much Can Water Intake Be Sufficient for A Cat?

If a feline consumes more food than usual, this indicates a higher caloric intake. Its body needs water consumption to regulate its internal temperature. It is required that grown cats consume the same quantity of water as it does. If a cat consumes dry food daily, it will want to drink more water. Your cat likely consumes much water if it has elastic in its ears and tail.

A cat’s daily water requirement is between 3.5 and 4.5 ounces per 5 pounds of body bodyweight. To maintain a 10-pound cat’s health, they need to drink between 7 and 9 ounces of water each day, which is about half the volume of a standard bottle of water. Consumption is the important word here; since kitties need water to survive, they may get it through drinking.

Approximately 70–80% of the water in a can of wet food. So, if your cat is feeding wet food, which is highly suggested, it may consume around 3.85 and 4.4 ounces of water from one can, with an average of 5.5 ounces per can daily. All of that Water is equal to half of their daily water consumption.

A cat consuming wet food may be very advantageous for various purposes, not the least of which is the knowledge that the feline receives at least part of the everyday water need. For the reason that if you have a cat at home all day, you may not notice them drinking, but there are methods to detect if they aren’t receiving enough liquid.

How to Monitor Your Cat’s Water Intake?

It is difficult to determine a cat’s water consumption based on the quantity of water that you see them drinking. If your feline is on a wet food diet, it will most likely not have much of a necessity to drink extra water anyhow. In addition, it is hard to track when your cat does consume water when you are away from the house or even while you are asleep.

Alternatively, attempting to catch your feline in the process, pay attention to the patterns in the amount of water in its bowl every day. Make a record of how much water is left over in their water bowls after you cleanse and replenish it daily as suggested. Keep the water level consistent in the bowl every day, so it is simple to see whether there has been a big shift.

What Happens When a Cat Doesn’t Drink water?

Your cat can get dehydrated if there is an overwhelming loss of fluid from its body. Whenever this happens, there is more than simply a loss of water at stake. Furthermore, vital minerals such as salt, potassium, and chloride are being depleted from their bodies.

Your cat’s health is dependent on its ability to drink enough water. It aids in maintaining good health and the replacement of fluids lost via the excretion of urine and feces. The consumption of water is also essential for your cat’s circulatory, digestive, and waste elimination. If your cat’s dehydration is not addressed immediately, it may develop into a more serious medical condition.

Generally, dehydration in cats is induced by your feline not consuming enough water or by your cat losing an excessive amount of water. Cats may also lose fluids by sweating tiny quantities through their paws, although this does not typically result in a significant amount of fluid loss.

Major Causes of Dehydration in Cats

Decrease of Water Intake

Several cats are reluctant to drink enough water for no explicable reason, and you may observe this in your cat. 

Shed an Excessive Amount of Fluid

 It happens when your is hyperactive during activities. It also due to changes in temperature, especially in the summertime; their fluid releases when the weather is too hot. Lastly, if your cat is suffering from diarrhea or vomiting, they lose water from their body.

Why Would a Cat Go Without Water?

There are many explanations as to why a cat may not have had water. In general, it is possible to prevent most incidents, but some do occur naturally, and a few can’t be avoided.

Your Cat Becomes Sick

However, sickness is beyond our control. Cats ignore their water and go away. Drinking water is a necessity for all living things. Cats get dehydrated when they do not drink enough water. As a result, they may suffer from organ damage and fatality.

You Have a Finicky Cat

The majority of pet parents already know that they have to satisfy their cats wants regularly. Cats may get hesitant about their water if they believe it is incorrect. They may give up if the water is calm but not flowing. Waking up to a dirty plate may potentially turn them off from eating. It means you need to get the notion.

Other Reasons

It often occurs, so you ask a buddy you trusted to look on your cats while you are away. When you return, you discover that no one cared to feed or water your cats while you were away. If it is factual, not only will you lose your cat, but you’ll also break a connection. Even if you cannot count on them to pick up your pet when they say they would, you must never allow them to be your buddy. That is how I look as well.

Final Thought

It is critical to ensure that your cat has constant access to freshwater. Do not leave your kitten’s water bowl unattended for an extended time. To live, cats require food and water. They will not survive if they are hungry or dehydrated for ample time.

When one function gets dehydrated, it depletes the energy reserves of the cat’s other organs and systems. Consistent dehydration will result in the bloodstream being less fluid and the organs drying out and shutting down completely. Dehydration has the potential to be deadly to your pet.

Keep an eye on your creature’s water consumption to determine if it is avoiding drinking water constantly. If you see symptoms of dehydration in your pet, be sure to give it enough water and, if required, arrange a visit with your vet to ensure that the problem is not worse.

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