Dog Calorie Calculator

Estimate your dog's daily calorie needs from its body weight and activity level using the RER and MER formulas. All processing runs locally in your browser. Your data is not uploaded to any server. 100% Local

How to Use the Dog Calorie Calculator

Enter your dog's body weight in kilograms, choose the closest activity level or life stage, then press Calculate. The tool reports a resting requirement (RER) and a maintenance requirement (MER). Use Clear to reset the form.

Understanding the formulas

• RER (resting energy requirement) is calculated as 70 × (weight in kg)0.75.
• MER (maintenance energy requirement) is RER multiplied by an activity factor.
• Factors are approximate: 1.6 for a neutered adult, higher for puppies and working dogs, lower for weight loss.
• Treat the numbers as a starting point and adjust with your veterinarian.

Features

• Standard RER and MER formulas used in veterinary nutrition
• Activity presets for weight loss, adults, puppies and working dogs
• Instant results with a single click and a copy button
• Works on desktop, tablet and mobile with no sign-up
• All processing runs locally in your browser. Your data is not uploaded to any server.

Not veterinary advice. This calculator provides approximate estimates only and does not replace professional advice. If your dog is unwell, contact your veterinarian; in an emergency, seek veterinary care immediately.

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