Macro tracker — protein, carbs and fat from a photo

A macro tracker is an app that records your daily intake of the three macronutrients: protein, carbohydrates, and fat. It helps you hit specific macro targets for weight loss, muscle building, or body recomposition. Calculorie tracks macros automatically from a photo — no manual database lookup required.

Start with protein and total calories. Protein (1.6–2.2g per kg of body weight) is the most important macro for preserving muscle during weight loss and building muscle in a surplus. Once you're consistently hitting protein, add carb and fat targets. Calculorie shows all three in every meal entry.

Point the camera at your plate — Calculorie estimates macros visually for restaurant meals. For chain restaurants, you can also type the restaurant name and dish for a database match. The app tracks full macros including protein, carbs and fat for both options.

Photo-based tracking estimates macros within 15–25% for most meals. Protein estimates tend to be most accurate for whole foods (meat, eggs, fish) and least accurate for mixed dishes. For high-stakes precision (competition prep), weigh protein sources and use photo tracking for everything else.

A common starting point is 40% protein, 30% carbs, 30% fat — but what matters most is total calories and hitting your protein minimum. Calculorie's AI adjusts its daily recommendations based on your actual logged macros.

You can focus on macro ratios without obsessing over exact calorie counts — but calories are the underlying driver of weight change. Calculorie shows both simultaneously: you see your macro split and your calorie total in the same dashboard.

Research supports 1.6–2.2g of protein per kg of body weight for muscle building. For a 75kg person that's 120–165g of protein per day. Calculorie tracks your protein every meal and shows how close you are to your daily target in real time.