Animal Calorie Calculator

Calculate RER, MER, and daily calorie needs for your pet based on species, weight, and life stage.

Animal Species

Body Weight (lbs)

Life Stage

Activity Level

Daily Energy Requirement (MER)

RER (kcal/day)

MER Factor

Weight (kg)

Protein (g/day)

Fat (g/day)

Water (mL/day)

Related Calculators

Daily food portions for dogs.

Daily calories for cats.

General pet food portions.

Body condition score for dogs.

Feed amounts for horses.

Calculate human calorie needs.