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Macro calculator: protein, carbs and fats

Turn your calories into grams of each macronutrient. Take your result from the basal metabolic rate calculator, or type your own numbers.

Your goal
kcal/day

Don't know your maintenance calories? Calculate them here and come back.

68 kg
1,830kcalReference daily calories to lose fat
  • Protein109 g
    440 kcal · 24 %
  • Carbohydrates234 g
    940 kcal · 51 %
  • Fats51 g
    460 kcal · 25 %

Guidance for healthy adults: a moderate 15% deficit to lose fat and a 10% surplus to build muscle. Not for people under 18, during pregnancy or breastfeeding, or for people with medical conditions or a history of eating disorders.

What are macros?

They're the three nutrients that provide energy: protein and carbohydrates (4 kcal per gram) and fats (9 kcal per gram). Calories tell you how much you eat; macros tell you what it's made of.

How are they split here?

Protein: 1.6 g per kg of body weight (Morton et al., 2018). Fats: 25% of calories. Carbohydrates: the rest, your main fuel for training.

Carbohydrates (g) = (calories − protein × 4 − fats × 9) ÷ 4

Do I have to track everything?

Not necessarily. Knowing your numbers once helps you understand portions; after that it's about learning to eat with judgment, without weighing every meal. That's what we aim for at SIX PACK.

Educational content by SIX PACK, with cited sources.

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