Nutrition Calculator – Calculate Daily Calories, BMI & Macros
Use this free nutrition calculator to estimate your daily calorie needs, BMI, and macro nutrient split. Adjust weight, height, age, activity level, and goals to get a personalized nutrition target instantly.
Nutrition Calculator
Enter your body details, choose your goal, and get daily calorie and macro recommendations.
How to Use
- Enter your weight, height, age, and gender.
- Select your activity level and fitness goal.
- Adjust the macro sliders for protein, carbs, and fat.
- View your daily calorie estimate, BMI, and macro recommendations instantly.
What This Calculator Does
This nutrition calculator estimates your daily calorie needs using a common BMR and activity formula. It also calculates your BMI and converts your preferred macro ratio into grams per day for protein, carbohydrates, and fat.
Frequently Asked Questions
What is this nutrition calculator used for?
It helps estimate daily calories, BMI, and macro nutrients based on your body measurements, activity level, and goal.
Can I change the macro split?
Yes, you can adjust protein, carbs, and fat percentages using the sliders, and the calculator will update the grams automatically.
Does it support different units?
Yes, you can enter weight in kilograms or pounds and height in centimeters, inches, or feet plus inches.