Pet Wellness Calculators
Free, practical calculators for everyday pet health — work out age in human years, daily calories, food portions, ideal weight, water needs, and exercise for your dog or cat. Educational tools, not a substitute for veterinary advice.
Pet Care Reference Tables
Daily calories by weight and life stage, water intake ranges, and what each body condition score means in kilograms.
Pet Age in Human Years Calculator
Convert your dog or cat's age with the modern size-aware model — a fast first two years, then a per-year rate set by adult size for dogs and a steady rate for cats
Daily Calorie Needs Calculator (RER / MER)
Turn weight and life stage into a daily calorie target using RER = 70 × kg^0.75 scaled by a maintenance factor for neutered, active, growing, or senior pets
Pet Food Portion Calculator
Convert a daily calorie target into cups or grams of your specific food from its energy density, split evenly across your pet's meals
Ideal Weight & Body Condition Calculator
Estimate ideal weight from current weight and 9-point body condition score, and see how much your pet needs to lose or gain
Daily Water Intake Calculator
Estimate how much water your dog or cat needs each day in millilitres, cups, and fluid ounces of total daily water
Pet Exercise & Activity Needs Calculator
Get a sensible daily activity target from species, adult size, and life stage, split into manageable sessions