Free Fitness Tools
Free, simple tools to help you plan your week and train with more confidence. They run in your browser, need no sign-up, and nothing you enter is stored.
Our tools
- Weekly Activity Tracker: check your week against WHO activity guidance.
- Heart Rate Zone Calculator: estimate moderate and vigorous heart rate ranges from your age.
- Workout Interval Timer: set work, rest and rounds for HIIT, skipping rope and strength circuits.
Good to know
These tools give general estimates and are not medical advice. Please read our Medical Disclaimer. You can also browse all of our guides on the Site Map.