Nutrition Calculator

🥗 ACHIEVE YOUR NUTRITION GOALS WITH PRECISION Nutrition Calculator is your personal diet companion that helps you calculate optimal daily calorie intake and macronutrient distribution based on your body metrics, activity level, and fitness goals. Whether you want to lose weight, gain muscle, or maintain your current physique, get scientifically-backed nutrition recommendations in seconds!
⭐ KEY FEATURES
✓ Accurate Calorie Calculation
Calculate your Total Daily Energy Expenditure (TDEE) using the scientifically proven Mifflin-St Jeor equation. Get personalized calorie targets based on your age, height, weight, gender, and activity level.
✓ Complete Macronutrient Breakdown
Receive detailed recommendations for:

Protein intake for muscle maintenance and growth
Carbohydrates for energy and performance
Healthy fats for hormone balance and nutrition

✓ Goal-Based Customization
Choose your objective:

Weight Loss (500 calorie deficit)
Weight Maintenance (balanced nutrition)
Weight Gain (500 calorie surplus)

✓ Activity Level Options
Select from 4 activity levels:

Sedentary (little or no exercise)
Lightly Active (1-3 days/week)
Moderately Active (3-5 days/week)
Very Active (6-7 days/week)

✓ Complete Calculation History

Save unlimited nutrition calculations
Track changes over time
Review past plans anytime
All data stored locally on your device

✓ Offline First Design

Works 100% offline after initial setup
No internet required for calculations
Your data never leaves your device
Fast and reliable performance

✓ Secure & Private

Data stored locally using Hive database
Google Sign-In for secure authentication
No cloud storage of personal health data
Complete privacy and data control

✓ Beautiful & Intuitive Interface

Clean, modern design
Easy-to-read results dashboard
Visual macro breakdown with percentages
Smooth animations and user experience

📊 WHAT YOU GET
Each calculation provides:

Daily calorie target (TDEE)
Basal Metabolic Rate (BMR)
Protein requirements in grams
Carbohydrate recommendations in grams
Fat intake guidelines in grams
Macro percentage distribution

🎯 WHO IS THIS FOR?
Perfect for:

Fitness enthusiasts tracking macros
People starting their weight loss journey
Athletes optimizing performance nutrition
Bodybuilders planning bulk/cut cycles
Anyone interested in healthy eating
Personal trainers and nutrition coaches
Health-conscious individuals

🔒 PRIVACY FOCUSED
We take your privacy seriously:

All nutrition data stored locally
No cloud uploads of personal information
Firebase Authentication only for login
You control your data completely
Delete account and data anytime

💪 SCIENCE-BACKED APPROACH
Our calculations use:

Mifflin-St Jeor Equation for BMR
Research-based activity multipliers
Proven macro distribution ratios
Evidence-based calorie adjustments

🌟 WHY CHOOSE NUTRITION CALCULATOR?
✓ Free to use with no hidden costs
✓ No ads or distracting content
✓ Simple, straightforward interface
✓ Accurate scientific calculations
✓ Complete offline functionality
✓ Privacy-first data storage
✓ Regular updates and improvements
📝 HOW IT WORKS

Sign in securely with Google
Enter your body metrics (age, height, weight)
Select your gender
Choose your activity level
Pick your weight goal
Get instant personalized nutrition plan
Save and track multiple calculations
Adjust as your goals change

🎓 MEDICAL DISCLAIMER
This app provides nutritional estimates for informational purposes only. Always consult with healthcare professionals, registered dietitians, or certified nutritionists before making significant changes to your diet or exercise routine, especially if you have any medical conditions.
💬 FEEDBACK & SUPPORT
We're constantly improving! If you have suggestions, questions, or encounter any issues, please reach out to us. Your feedback helps us make the app better for everyone.
Download Nutrition Calculator today and take the first step toward achieving your health and fitness goals with precision nutrition planning!