health

Macronutrients

The three main nutrients the body needs in large amounts: protein, carbohydrates, and fats.

Macronutrients ("macros") are the three nutrient groups that provide calories and energy:

  • Protein — 4 calories/gram. Builds and repairs muscle, produces hormones and enzymes.
  • Carbohydrates — 4 calories/gram. Primary energy source for the brain and muscles.
  • Fats — 9 calories/gram. Supports hormone production, vitamin absorption, and cell membranes.

Common Macro Splits

  • Balanced: 40% carbs, 30% protein, 30% fat
  • Low-carb/keto: 5–10% carbs, 20–25% protein, 65–75% fat
  • High-protein (muscle gain): 40% carbs, 35% protein, 25% fat

Related Calculators

📊 Macro Calculator📊 Calorie Calculator📊 Protein Calculator

Related Articles

📝 Protein Intake Guide📝 How Many Calories Do You Need

Related Terms

BMI (Body Mass Index)

A numerical value calculated from height and weight, used as a screening tool for body fat categories.

BMR (Basal Metabolic Rate)

The number of calories your body burns at complete rest to maintain basic life functions.

TDEE (Total Daily Energy Expenditure)

The total number of calories burned per day, including exercise and daily activities on top of BMR.

Body Fat Percentage

The proportion of total body weight that is composed of fat tissue.

Blood Pressure

The force of blood pushing against artery walls, measured as systolic over diastolic pressure.

Caloric Deficit

Consuming fewer calories than your body burns, which is required for weight loss.