Carnivore Diet Calorie Calculator
Calculate daily calories, animal protein grams, and healthy fat targets for the Carnivore and Lion diet protocols.
🏃 Interactive Carnivore Diet Calorie Calculator
About this Calculator
Methodology & Formulas: This Carnivore Diet calculator uses standard physiological formulas and evidence-based guidelines to provide accurate estimates.
Reviewed by: Dr. Rekha Kumar, M.D., M.S., Lead Medical Reviewer
Last Updated: August 2026
Sources & Citations: Guidelines from the NIH and CDC were consulted in the creation of this tool.
Disclaimer: This tool is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider.
Frequently Asked Questions
How many calories do you need on a Carnivore Diet?
Energy needs are based on TDEE, but macros consist of 0g carbs, 65–75% calories from animal fats, and 25–35% from protein.
What is the fat-to-protein ratio on Carnivore?
A classic 1:1 gram ratio of fat to protein yields a 70% fat / 30% protein caloric breakdown, ideal for ketosis and satiety.
How much ribeye steak equals 2,000 calories?
Approximately 20 to 22 ounces of cooked fatty ribeye steak provides 2,000 calories and 140g protein.
Scientific References & Clinical Guidelines
- CDC Healthy Weight Guidelines - Centers for Disease Control and Prevention
- NIH National Heart, Lung, and Blood Institute (NHLBI) Obesity Guidelines
- PubMed studies on rate of fat mass vs. lean mass loss