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Find your max heart rate and five training zones in real bpm, using Tanaka or Karvonen, with the zone to actually train in.
About this tool
Find your max heart rate and five training zones in real bpm, using Tanaka or Karvonen, with the zone to actually train in.
Heart Rate Training Zones is a free fitness tool that runs entirely in your browser — nothing to install, no account to create, and your data never leaves your device. Open the page, add your input, and get a clean, copy-ready result in seconds.
Open Heart Rate Training Zones on AltFTool — it loads instantly in your browser.
Add your input to the workspace.
Adjust the options until the result looks right.
Copy or download the output and put it to work.
A focused workspace for one-off content, data, or planning jobs — open it, use it, done.
Start with a rough input and iterate until the result matches exactly what you need.
Copy or download the output for your project, document, or daily workflow.
Yes — Heart Rate Training Zones is completely free on AltFTool, with no signup, no trial limits, and no hidden costs.
Yes. Heart Rate Training Zones runs in your browser, so what you enter or upload stays on your device instead of being sent to a server.
Find your max heart rate and five training zones in real bpm, using Tanaka or Karvonen, with the zone to actually train in. It's built for quick, everyday fitness tasks with results you can copy or download straight away.
Yes — Heart Rate Training Zones works in any modern browser, on desktop, tablet, and mobile, with the same features everywhere.