Macro Calculator

Turn a calorie target into daily grams of protein, carbs and fat.

Loading tool...

How to use Macro Calculator

  1. Enter your daily calorie target (use the calorie calculator if unsure).
  2. Choose a macro split.
  3. Read the grams and calories for each macronutrient.

About this tool

Protein and carbohydrate contain about 4 calories per gram and fat about 9. Each preset assigns a share of calories to each macronutrient and converts it to grams. The balanced split is 25% protein, 50% carbs and 25% fat.

Individual needs differ with goals, training and health conditions. This calculator gives general estimates from standard formulas and is not medical advice. Talk to a doctor or dietitian about your own health.

Frequently Asked Questions

How much protein do I need?
Guidelines range from 0.8 g per kg for sedentary adults up to 1.6 to 2.2 g per kg for people training for muscle gain.
Is keto suitable for everyone?
No. Very low-carb diets are not suitable for everyone, so check with a professional.

Related tools