Fuel Splitter

Macro Nutrient Calculator

Distribute your total daily calories into the three main macronutrients. Fine-tuning your macros can help with muscle retention and hormonal health.

Use the Calorie Calculator if you don't know this number.

Macro Essentials

Protein (4 kcal/g)

Crucial for muscle repair, immune function, and satiety. Aim for higher protein when in a calorie deficit.

Carbs (4 kcal/g)

Your body's primary energy source. High-intensity training requires more carbohydrates.

Fats (9 kcal/g)

Essential for hormone production and nutrient absorption. Don't drop fats too low for long periods.

Fiber

Technically a carb but often not fully absorbed. Essential for digestive health.