Macro Calculator – Daily Macronutrients
Calculate your daily macronutrient needs (protein, carbs, fat) based on your goals.
What Are Macronutrients?
Macronutrients — protein, carbohydrates, and fat — are the three main categories of nutrients that provide energy. Each plays a distinct role: protein builds and repairs tissue, carbohydrates fuel activity and brain function, and fat supports hormones, cell membranes, and fat-soluble vitamins.
Counting macros gives you more control than simply counting calories, ensuring you not only hit your calorie target but also get the right balance of nutrients for your specific goal.
Recommended Macro Ratios by Goal
There is no one-size-fits-all macro split, but these ranges are widely used:
- Fat loss: 40% protein / 35% carbs / 25% fat — high protein preserves muscle in a deficit
- Muscle gain: 30% protein / 50% carbs / 20% fat — more carbs fuel intense training
- Maintenance: 30% protein / 40% carbs / 30% fat — balanced approach
- Keto: 25% protein / 5% carbs / 70% fat
Protein should generally be 1.6–2.2g per kg of bodyweight for active individuals.
Tracking Macros: Practical Tips
Use a food tracking app to log meals by weight (a kitchen scale is essential for accuracy). Focus on hitting protein first — it is the hardest macro to get enough of and the most important for body composition. Carbs and fat can flex more freely around your protein target.
Frequently Asked Questions
How many grams of protein do I need per day?
For active individuals aiming to build or maintain muscle: 1.6–2.2g per kg of bodyweight. A 75 kg person would target 120–165g of protein daily.
Are all calories equal?
Calories matter most for weight, but macros matter for body composition. 200 calories of chicken breast affects your body very differently from 200 calories of candy — same energy, very different hormonal and satiety response.
Do I need to track macros every day?
Not necessarily. Many people track strictly for 4–8 weeks to build intuition, then track loosely or not at all once they know what hitting their targets looks like.