Free Fitness Tools

Calculate your fitness needs with our comprehensive collection of tools. All free to use, no signup required.

💡 Each tool includes a complete 101 guide below—scroll down after calculating to learn why the numbers matter, how to apply them in real life, and get answers to common questions.

Ready for a Personalized Plan?

These tools give you the basics. For a complete workout and nutrition plan tailored specifically to your goals and constraints, check out our personalized options.