Água Gato/dia
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The cat water calculator per day is a useful tool to determine the adequate amount of water your feline needs to ingest daily. The general recommendation is 60 mL of water per kilogram of body weight. For example, a 5 kg cat would need about 300 mL of water per day.
This amount can vary depending on factors such as age, size, activity level, and health conditions. More active cats or those living in hot climates may need more water, while older cats or those with health issues may need less. It's essential to observe your cat's individual needs and adjust the water amount accordingly.
Hydration is crucial for cat health, as it helps maintain renal function, digestion, and body temperature regulation. Dehydration can lead to serious health issues, such as chronic kidney disease and acute renal failure.
To use this calculator, simply enter your cat's weight in kilograms and get the recommended daily water amount. Keep in mind that this is just an estimate, and your cat's real needs may vary.
Frequently asked questions
How much water does a 3 kg cat need per day?
A 3 kg cat needs about 180 mL of water per day.
Can I give more water than the recommended amount?
Yes, but be careful not to overdo it, as cats can also suffer from hyponatremia due to excessive water intake.
How can I tell if my cat is dehydrated?
Dehydrated cats may show symptoms like concentrated urine, dry mouth, lethargy, and loss of appetite. If you suspect dehydration, consult a veterinarian.
Does the cat's age influence the amount of water needed?
Yes, kittens and older cats may have different water needs due to age and health conditions.
Can I use this calculator for other animals?
No, this calculator is specific to cats. Other animals have different hydration needs.