Macro (Macronutrient) Calculator
Calculate your perfect macronutrient ratios for optimal nutrition and fitness results.
Personal Information
Daily Calories
0
Protein
0g
Carbs & Fat
0g Carbs / 0g Fat
Macronutrient Distribution
Percentage Breakdown
Detailed Breakdown
Sample Meal Plan
12-Week Projection
Related & Other Popular Calculators, Tools
Use our free Macro Calculator to determine the ideal macronutrient ratio for fat loss, muscle gain, or weight maintenance.
To reach any fitness goal - using how much protein, carbs, and fats your body needs is crucial. Using our online Macro Calculator, you can get a customized estimate of calories and macronutrients using your age, gender, weight, height, activity level, and goals.

What Is a Macro Calculator?
A Macro Calculator (a.k.a. Macronutrient Calculator) figures out the appropriate amount of protein, carbohydrates, and fats you need each day to maintain an ideal daily macro ratio. Rather than guessing how much you should eat, this free macro calculator will produce accurate calorie and macro targets for you based on scientific formulas- so your nutrition will remain in line with your goals.
Whether you are trying to lose fat, gain muscle, or maintain your current weight- our macro calculator for weight loss and macro calculator for fat loss will adjust to your body type, fitness level, and activity pattern.
How the Macro Calculator Works
Our macro cal utilizes advanced algorithms which is a function of your Total Daily Energy Expenditure (TDEE) to determine the number of calories you need.
Once we calculate your TDEE we then distribute that daily calorie intake into 3 key macronutrients.
With that you will always know how many of each macronutrient to consume for your desired goal.
Why Use SantPro Tool's Free Macro Calculator?
This macronutrient calculator for weight loss will help you make better decisions about food with the understanding of macronutrients - giving you more power to reach your goals faster.
Example:
If your daily calorie goal is 2,500 kcal:
You can now use this macro breakdown to plan meals for your day to meet your calorie and macro targets with ease.
Who Would Benefit from This Free Macronutrient Calculator?
This macro calculator for weight loss is perfect for:
Our free macronutrient calculator can be used for very goal (fat loss or muscle gain).
Tips to Use the Macro Calculator Effectively
By using this online macro calculator, you gain total control over your nutrition strategy.
FAQs
A macro calculator is an estimation of the grams of protein, carbs, and fats that you are going to eat in a day depending on your calories.
Our free macro calculator uses proven nutritional formulas (like Mifflin-St Jeor) to deliver precise macronutrient distributions for your goals.
Absolutely! It's one of the best macro calculators for weight loss since you can be in a caloric deficit without sacrificing muscle!
Absolutely. You can switch between macro calculator for fat loss, maintenance, and bulking modes anytime.
Macro cal focuses on nutrient balance, while calorie tracking only counts energy. Both are essential for effective body composition results.
Yes! If you are new to fitness or nutrition, this macronutrient calculator for weight loss makes it easy to get powerful results without confusion.