Target Heart Rate Calculator
%Max HR • Karvonen (HRR) • Single/Range • Ajax loading
Settings
HRR needs resting HR and is more personalized.
Choose a single intensity % or a % range.
Quick summary
Enter age (and resting HR for HRR) to calculate target heart rate.
Inputs
Use Custom if you know your tested Max HR.
Required for the 220−age estimate. Must be > 0.
%
Typical training: 50–85% (or HRR equivalent).
Whole bpm is the most common.
Results
Max HR used
—bpm
Target
—bpm
Updating…
Action
Hard reset: cancels pending updates and clears everything on the first click.