Free Fitness Calculators

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Professional Fitness Tools

Fitness Calculators & AI Coach

Science-based tools for TDEE, BMI, macros, body fat, protein, 1RM, ideal weight & water intake

Fitness Calculators

Free, accurate, science-backed tools

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TDEE Calculator

Daily calorie needs

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BMI Calculator

Body mass index

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Macro Calculator

Protein ยท Carbs ยท Fat

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Body Fat Percentage

US Navy method

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Protein Calculator

Daily protein needs

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One Rep Max

Estimate 1RM strength

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Ideal Weight

Devine formula

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Water Intake

Daily hydration

Ultimate Fitness Blueprint 2026

Comprehensive 120+ page PDF guide trusted by over 10,000 Americans.

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  • Complete meal plans with grocery lists
  • Form guides with injury prevention tips
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  • Progress tracking templates and logs
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AI Fitness Trainer

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Hello. I am Coach FT, your AI personal trainer. I can answer questions about workouts, nutrition, weight loss, muscle gain, yoga, supplements, and fitness calculations. How may I assist you today?