Calories, Protein, Carbs and Fat Calculator

This Macro Calculator shows your optimal macronutrients and calories based on your age, height, weight, gender, and activity level. Use your results with macro counting or flexible dieting/IIFYM to lose fat or gain muscle.

Our macro calculator defaults at the best macro ratio that’s proven to work for the most number of people. You should achieve your goals using the default setting.

The number of calories a person needs to consume on a daily basis is mainly based on a number of factors including height, weight, age, and activity level.

Macro Calculator estimates the daily amount of dietary protein adults require to remain healthy.

Macro Calculator estimates the percentage of carbohydrates a person should consume each day.