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Dog Water Intake Calculator

Calculate your dog's daily hydration needs based on weight, diet moisture content, activity level, and climate to prevent dehydration.

Veterinary Hydration FormulaFree — No Sign-UpPDF Report
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Water Intake Calculator

Calculate your dog's daily hydration needs based on weight, diet moisture content, activity level, and climate to prevent dehydration.

Daily Water Requirement
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Why Hydration Is Critical for Dog Health

Water is involved in every metabolic process in dogs — digestion, nutrient absorption, temperature regulation, and joint lubrication. Even mild dehydration of 2–3% body weight reduces performance and wellbeing. The baseline recommendation is 50ml per kg body weight, adjusted for diet moisture, activity, and environment.

FAQ

Water Intake Calculator — FAQ

The baseline is 50ml per kg of body weight per day. A 20 kg dog needs ~1 litre/day. However, dogs on dry kibble need significantly more than dogs on wet or raw food, and hot weather or exercise can increase needs by 30–50%.
Key signs: skin tent test (skin doesn't snap back when gently pinched), dry/tacky gums, sunken eyes, reduced urination, and lethargy. Severe dehydration (>8%) is a veterinary emergency.
Yes — significantly. Wet food contains 70–80% moisture, which counts toward daily fluid intake. Dogs on wet-only diets typically drink 50–60% less water from their bowl compared to dogs on dry kibble.
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