How much fresh water your dog or cat needs daily. Enter your details below and get an instant, easy-to-read result.
Pet Water Intake Calculator
How much fresh water your dog or cat needs daily.
Pet Water Intake Calculator
How this calculator works
A common veterinary guideline is that pets need roughly half an ounce to one ounce of water per pound of body weight each day. Hot weather, exercise and a dry-food diet push the need toward the higher end. The calculator shows a daily range in ounces and cups so you can keep the bowl topped up properly.
Frequently Asked Questions
How much water should a dog drink per day?
Roughly 0.5 to 1 ounce per pound of body weight — a 50 lb dog typically drinks about 25 to 50 ounces (3 to 6 cups) a day.
Does wet food count toward water intake?
Yes. Wet food is about 75 to 80% moisture, so pets on wet food drink less from the bowl and that is normal.
When is thirst a warning sign?
A sudden, lasting increase or drop in drinking can signal illness such as kidney disease or diabetes. If your pet's habits change noticeably, contact your veterinarian.