Free online macro split calculator. Enter your daily calorie target and diet preference to get protein, carbs, and fat gram distribution. Supports balanced, low-carb, high-protein, and keto modes.
Science-Based · Precision Calculation
The Macro Split Calculator is a free online nutrition planning tool that automatically calculates daily protein, carbohydrate, and fat gram distribution based on your calorie target and diet preference. Supports five preset modes: balanced, low-carb, high-protein, keto, and low-fat, plus a custom ratio option. All calculations run locally in your browser with no data uploads. Ideal for cutting, bulking, and weight maintenance meal planning. Pure frontend implementation, ready to use with no signup required.