Cat Hydration Calculator

Calculate your cat‘s daily water needs based on weight, diet, and activity level. Prevent dehydration and promote kidney health.

Cat Weight (lbs)

Diet Type

Activity Level

Cat Hydration Facts

Cats evolved as desert animals and have a low thirst drive. They are designed to get most of their water from food (prey is ~70% water). This is why dry-kibble-only cats are chronically mildly dehydrated, contributing to kidney disease and urinary issues.

Signs of dehydration in cats

Skin tent test: Pinch skin between shoulder blades - should snap back immediately
Dry, tacky gums
Sunken eyes
Lethargy
Decreased urination (smaller/fewer clumps in litter)

How to get a cat to drink more water?

Cat water fountain (cats prefer running water)
Multiple water stations throughout home
Wide, shallow bowls (whisker-friendly)
Add water to dry food or switch to wet food
Fresh water daily (cats reject stale water)

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