Free Fitness Calculators & AI Tools

FitnessProGuide offers 35+ free, science-backed fitness calculators and AI-powered tools. Calculate your BMI, TDEE, macros, body fat percentage, calories, and more. No signup required.

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AI Workout Plan Generator - Personalized Training Plans
AI Meal Plan Generator - Custom Diet Plans
Supplement Stack Builder - Custom Supplement Plans

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Bench Press Calculator
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Strength Standards Checker
VO2 Max Calculator
Creatine Dosage Calculator
Intermittent Fasting Calculator
Body Recomposition Calculator
Body Type Quiz
Steps to Calories Calculator
Army Body Fat Calculator
Lean Body Mass Calculator
Wilks Score Calculator
Pregnancy Weight Gain Calculator
Meal Nutrition Calculator

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FitnessProGuide.com - Science-backed fitness tools, free for everyone. All calculators use peer-reviewed formulas from WHO, CDC, ACSM, and ISSN.