What are macros and why do they matter?

Macros (macronutrients) are protein, carbohydrates, and fats—the three nutrients that provide calories and energy. Protein provides 4 calories per gram and is essential for building and repairing tissue. Carbohydrates also provide 4 calories per gram and are your body's preferred energy source. Fats provide 9 calories per gram and are crucial for hormone production and nutrient absorption. Balancing your macros helps optimize body composition, energy levels, and performance.

What's the best macro ratio for weight loss?

For weight loss, a higher protein ratio (30-40% of calories) helps preserve muscle mass and increases satiety. Moderate fat (25-35%) supports hormones, and the remainder from carbs (25-45%) provides energy. A common effective split is 40% protein, 30% carbs, 30% fat, but individual needs vary. Athletes may need more carbs, while some people prefer lower-carb approaches. Total calorie intake matters more than perfect macro ratios for weight loss.

How much protein do I really need?

For general health, 0.8-1.0g per kilogram of body weight is adequate. For muscle building, aim for 1.6-2.2g per kilogram (0.7-1.0g per pound). During weight loss, higher protein (2.3-3.1g per kg or 1.0-1.4g per lb of total body weight) helps preserve muscle. Very high protein intakes aren't harmful for healthy individuals but offer diminishing returns. Spreading protein across 3-5 meals optimizes muscle protein synthesis.

Should I track macros or just calories?

Tracking calories alone works for basic weight management, but tracking macros provides better results for body composition, athletic performance, and satiety. Macros ensure adequate protein for muscle preservation, enough fat for hormones, and appropriate carbs for energy and performance. If macro tracking feels too restrictive, prioritize hitting your protein target and let carbs and fats fall where they may within your calorie limit.

Health

Macro Calculator

Calculate your optimal macronutrient ratios (protein, carbs, fats) based on your diet preference.

How to Use This Calculator

Calculate Your Calorie Target

First, determine your daily calorie goal based on your TDEE and whether you want to lose, maintain, or gain weight. Your macro calculations will be based on this calorie target.

Choose Your Macro Split

Select a macro ratio based on your goals: higher protein for muscle building or weight loss, higher carbs for athletic performance, or balanced for general health. Common splits include 40/30/30, 30/40/30, or custom ratios.

Review Your Gram Targets

The calculator will show how many grams of protein, carbs, and fats to eat daily. These are your targets to aim for when planning and tracking meals.

Track and Adjust

Use a food tracking app to log your meals and hit your macro targets. After 2-3 weeks, assess your progress and adjust your ratios or total calories if needed based on results and how you feel.