Advanced Body Weight, BMI & Nutrition Calculator

Track your BMI, estimate ideal weight, calculate macronutrients, plan calorie deficits, and project long-term progress—all in one powerful tool.

Our all-in-one BMI, BMR, TDEE, and Macro Calculator helps you understand your body composition, daily calorie needs, and personalized weight-management targets. Whether you want to lose weight, build muscle, or improve your overall health, this tool provides everything you need to make informed decisions.

Ultimate Health Calculator

Calorie Deficit Planner

Daily Water Intake

Your BMI Progress

Macronutrient Calculator

Weight Loss Projection

Weight Log

✅ What This Health Calculator Can Do

This tool is designed to give you the most complete health analysis available online, including:

BMI Calculator (Body Mass Index)

  • Works with both metric and imperial units

  • Provides age- and sex-adjusted insights

  • Includes WHO BMI categories

  • Gives personalized recommendations

Ideal Weight Range Estimator

  • Uses multiple scientific formulas (Devine, Robinson, Hamwi)

  • Shows your ideal weight range

  • Compares current weight to ideal targets

BMR & TDEE Calculator (Calorie Needs)

  • Calculates Basal Metabolic Rate using the Mifflin-St Jeor formula

  • Estimates Total Daily Energy Expenditure based on activity level

  • Shows calories required for weight loss, maintenance, or muscle gain

Macronutrient Calculator

  • Customizable protein, carb, and fat percentages

  • Automatically adjusts grams per day based on your calories

  • Ideal for weight loss, bodybuilding, or balanced nutrition

Calorie Deficit Planner

  • Set a goal weight

  • Choose a calorie deficit

  • Estimate how long it will take to reach your goal

  • Based on the scientifically validated rule:
    1 kg = ~7700 calories

Daily Water Intake Calculator

  • Calculates optimal hydration based on body weight

  • Adjusts for hot climates

  • Helps reduce cravings and improve metabolism

Weight Loss Projection Chart

  • Visualizes future weight week-by-week

  • Helps you stay accountable on your journey

  • Shows how calorie deficits change your long-term trajectory

Weekly Weight Logging System

  • Log weight entries

  • Automatically updates your progress chart

  • Helps you track improvements over time

Save Results to Your Account

Ideal for members! Users can:

  • Store BMI history

  • Track goals

  • Log weekly weight updates

  • Monitor their transformation over time


🔍 Why Use This BMI & Nutrition Calculator?

This tool is perfect for anyone looking to:

🎯 Lose weight

💪 Build muscle

⚖ Improve metabolic health

🧠 Make informed nutrition decisions

📊 Track long-term progress

Unlike simple BMI calculators, this platform gives you deep insights, clear targets, and actionable recommendations backed by real evidence.


🧠 How to Use the Calculator Effectively

  1. Enter your height, weight, age, and sex

  2. Select your activity level

  3. Review your BMI & ideal weight range

  4. Check your BMR/TDEE to understand calorie needs

  5. Plan your macros for balanced nutrition

  6. Use the projection chart to visualize your progress

  7. Log your weekly weight

  8. Save your data to track your transformation long-term

This tool gives you everything you need to stay motivated and informed.


📈 Who Is This Tool For?

This comprehensive health calculator is suitable for:

  • Fitness beginners

  • Personal trainers

  • Athletes

  • Dieters

  • Nutritionists

  • Medical professionals

  • Anyone managing body composition

It’s also perfect for blog posts, health coaches, and membership sites offering personalized programs.


🏁 Start Your Health Journey Today

Use the calculator above to get instant insights into your body, your metabolism, and your optimal nutrition strategy. Whether you want to lose fat, build muscle, or simply improve your wellness, this tool will guide you step-by-step toward your goals.

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