About Nutritional Calculators
Free, science-based nutrition and fitness calculators designed to help you achieve your health and fitness goals. Whether you're losing weight, building muscle, or maintaining your current weight, we have the tools you need.
Our Calculators
We provide 10 comprehensive calculators covering all aspects of nutrition and fitness planning:
TDEE Calculator
Calculate your Total Daily Energy Expenditure using the Harris-Benedict formula. Determine how many calories you burn daily based on age, height, weight, gender, and activity level.
Use CalculatorBMR Calculator
Calculate your Basal Metabolic Rate - the calories you burn at complete rest. Essential for understanding your baseline energy needs and foundation for TDEE calculations.
Use CalculatorBMI & Body Fat Calculator
Calculate Body Mass Index (BMI) and estimate body fat percentage using multiple methods. Track body composition changes independent of scale weight.
Use CalculatorCalorie Counter
Determine your daily calorie needs for weight loss, maintenance, or muscle gain. Calculate personalized calorie targets based on your TDEE and fitness goals.
Use CalculatorMacro Calculator
Calculate optimal macronutrient (protein, carbs, fat) distribution for your fitness goal. Get personalized macro targets for weight loss, maintenance, or muscle gain.
Use CalculatorProtein Calculator
Calculate daily protein requirements based on body weight and fitness goal. Optimize protein intake for muscle growth, fat loss, or maintenance.
Use CalculatorFat Intake Calculator
Determine optimal daily fat intake for your goals. Get recommendations for total fat, omega-3s, and saturated fat based on calorie targets and preferences.
Use CalculatorCarb Calculator
Calculate carbohydrate needs for your activity level and fitness goal. Optimize carb intake for energy, recovery, and performance.
Use CalculatorWeight Loss Timeline
Plan your weight loss journey with projected goal dates and monthly milestones. See how long it will take to reach your target weight at your desired loss rate.
Use CalculatorMeal Plan Generator
Generate personalized meal plans based on your calorie and macro targets. Get meal recommendations and grocery lists tailored to your fitness goals.
Use CalculatorEducational Articles
Beyond calculators, we provide 10 comprehensive articles covering essential nutrition and fitness topics:
How Many Calories Should I Eat to Lose Weight?
Guide to calculating your ideal calorie intake for sustainable weight loss.
Read ArticleCalculating Calorie Deficit
Learn how to create and maintain a calorie deficit for weight loss.
Read ArticleLose One Pound Per Week
Practical strategies to lose weight at a sustainable, healthy rate.
Read ArticleProteins for Fat Loss
Why protein is critical for weight loss and how to optimize intake.
Read ArticleWhy Weight Loss Stalls (and How to Fix It)
Understand weight loss plateaus and proven strategies to break through them.
Read ArticleEstimate Your Maintenance Calories
Learn how to find the calorie intake that keeps your weight stable.
Read ArticleHow Many Steps Per Day to Lose Weight
Understanding daily activity and its role in weight loss and health.
Read ArticleWhat Is TDEE?
Complete explanation of Total Daily Energy Expenditure and how to use it.
Read ArticleHow Accurate Are Calorie Calculators?
Learn the accuracy of online calculators and how to use them effectively.
Read ArticleWhy Use Nutritional Calculators?
- Science-Based: All calculators use proven formulas from nutrition and exercise science
- Free: No paywalls or subscriptions—all tools are completely free to use
- Fast: Get results instantly with our optimized calculators
- Educational: 10 comprehensive articles teach you the science behind the numbers
- Personalized: All calculations are tailored to your unique body and goals
- No Sign-Up Required: Start using calculators immediately without creating an account