Online Pet Calorie Calculator

FREE • NO SIGN-UP • INSTANT

Dog Calorie Calculator

Clear calorie and feeding estimates with transparent calculations.

Use ZyZig’s free dog calorie calculator and dog food calculator to estimate daily energy needs, food portions and per-meal amounts from your dog’s weight, age, neuter status, body condition, activity and food label.

⚙️ Smart Engine Rule-based • Private • Instant
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Choose your pet

Select the calculator that matches your pet.

Basic details

Body & lifestyle

Weight-management results are general starting guidance, not a medical weight-loss prescription.

Food details

YOUR PERSONALIZED PLAN

Intelligent Feeding Recommendation for Your pet

Resting Energy (RER)—kcal/day
Estimated Daily Energy—kcal/day
Food per day—grams
Food per meal—grams
Treat allowance—kcal maximum (10%)
Multiplier used—life-stage factor
SMART INSIGHTS

Why this plan fits your inputs

WELLNESS SNAPSHOT

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Based on 7 data points: species, age, weight, activity, body condition, food type and meals per day.

Important: This calculator provides general feeding estimates for healthy dogs and cats and is intended for educational purposes only. Individual calorie needs vary. Puppies, kittens, pregnant or nursing pets, animals with medical conditions, pets on therapeutic diets, or pets requiring significant weight change should be assessed by a qualified veterinarian.