Free dog calculators
Five focused tools for feeding, growth, hydration, age, and weight loss. Each one is free, private, and explained in plain language.
Dog Calorie Calculator
Daily kcal, meals, grams and cups from your dog's weight, life stage, activity and spay or neuter status.
Open the calculator →Dog Age Calculator
Dog years to human years with the epigenetic formula and a size-based rule, plus a rough life stage.
Open the calculator →Puppy Weight Calculator
Predict your puppy's adult weight from age and current weight, with a range and a size class.
Open the calculator →Dog Water Intake Calculator
Daily water in ml, fl oz and cups, adjusted for activity, diet moisture and hot weather.
Open the calculator →Dog Weight Loss Calculator
Weeks to goal, a checkpoint table, and the daily calories for your dog's target weight.
Open the calculator →How the tools fit together
Start with the dog calorie calculator for a daily feeding target. If your dog needs to lose weight, the weight loss calculator builds a week by week plan. Puppy owners can use the puppy weight calculator to see where growth is heading. The water calculator and age calculator round out the daily picture.
Results are estimates, and they do not replace veterinary advice.