Target Heart Rate Calculator (Karvonen Method) - Free, Instant, In Your Browser
Enter your age, resting heart rate, and target training intensity to calculate your Karvonen target heart rate.
How to use Target Heart Rate Karvonen Calculator
- 1Enter the required date(s) and details above.
- 2Click Calculate - Target Heart Rate Karvonen Calculator runs instantly, right in your browser.
- 3Read your result below.
Your file is processed in your browser and is never uploaded.
Frequently Asked Questions
What's the formula?
Uses heart rate reserve (max HR minus resting HR): Target = Resting HR + Intensity% x (Max HR - Resting HR). This gives a different, more personalized result than heart-rate-zone-calculator's simple % of max HR.
Is my data sent to a server?
No - everything runs entirely in your browser with JavaScript. Nothing is uploaded.