AI-Powered FitnessCalculators & Tracking
Professional fitness tools powered by AI. Track progress, get personalized plans, achieve your goals.
Choose Your Calculator
BMI Calculator
Calculate your Body Mass Index and get personalized health insights
- Quick and accurate BMI calculation
- Health category classification
- AI-powered personalized advice
- Metric and imperial units
Calorie Calculator
Determine your daily calorie needs based on your activity level and goals
- BMR and TDEE calculation
- Goal-based recommendations
- Activity level adjustment
- AI meal suggestions
Macro Calculator
Get your optimal protein, carbs, and fat breakdown for your goals
- Personalized macro ratios
- Multiple diet options
- Balanced nutrition planning
- AI-generated meal plans
Body Fat Calculator
Estimate your body fat percentage using the U.S. Navy method
- Accurate body fat estimation
- Lean mass calculation
- Category classification
- AI fitness recommendations
Ideal Weight Calculator
Find your ideal body weight using multiple scientific formulas
- 4 scientific formulas
- Healthy weight range
- Gender-specific results
- AI personalized guidance
Water Intake Calculator
Calculate how much water you should drink daily for optimal health
- Personalized hydration goals
- Activity level adjustment
- Climate consideration
- AI hydration tips
Protein Calculator
Calculate your daily protein needs for muscle building or weight loss
- Goal-based protein targets
- Activity level adjustment
- Per-meal distribution
- AI nutrition advice
Why Choose FitnessCalc?
AI-Powered Insights
Get personalized advice powered by advanced AI technology
Instant Results
Calculate your fitness metrics in seconds with our fast, accurate tools
100% Free
All calculators and AI insights are completely free to use
Unlock Your Full Potential
Get unlimited progress tracking, AI-powered workout and meal plans, and personalized insights for just $2/month.
Progress Tracking
Unlimited measurements
AI Workout Plans
Personalized training
AI Meal Plans
Custom nutrition
7-day free trial, cancel anytime