Zone 2 Heart Rate

Your personal Zone 2 training range from age and resting heart rate.

Tool 14 · 30 sec · Educational tool

Improves accuracy (Karvonen method)

Your result will appear here.
How this works
Model
Tanaka max HR + Karvonen reserve (v1.0)
Source
Tanaka H et al., J Am Coll Cardiol 2001; Karvonen MJ et al., Ann Med Exp Biol Fenn 1957. — reference
Intended use
Training guidance.
Population
Healthy adults
Limitations
  • Max HR formulas can be off by ±10 bpm.
  • Not valid on beta-blockers.
Status
Educational tool · methodology checked 3 November 2026

Educational self-assessment — not a diagnostic test. Results are based on published research and population data and can't account for everything about you. They are not a diagnosis and don't replace advice from a healthcare professional. If you're worried about your health, speak to your GP or call NHS 111.