Dog Water Intake Calculator

A common guideline is about 1 ounce of water per pound of body weight per day, so a 30 lb dog needs roughly 30 oz. This tool uses that rule and also shows the amount in milliliters and 8 oz cups.

Yes. Dogs on dry kibble usually drink more than those on wet or raw food, which already contains a lot of water. Heat, exercise, age, pregnancy and some health conditions also raise needs, so treat the number as a baseline.

Lethargy, dry or tacky gums, loss of skin elasticity, sunken eyes and panting can signal dehydration. Gently pinch the skin over the shoulders, and if it is slow to spring back, contact your veterinarian.

A sudden, lasting change in drinking can point to a problem such as kidney disease, diabetes or infection. If your dog drinks far more or far less than usual for more than a day or two, consult your veterinarian.

Rarely, but gulping large amounts quickly, often during hard play or swimming, can cause water intoxication. Offer water in steady amounts, take breaks during heavy exercise, and watch for bloating or wobbliness.