Heart Rate Zone Calculator
Calculate simple training heart-rate zones from your maximum heart rate.
Zone 1
93–111 bpm
- Zone 2
- 111–130 bpm
- Zone 3
- 130–148 bpm
- Zone 4
- 148–167 bpm
- Zone 5
- 167–185 bpm
Simple percentage zones only; sports testing and individual variation may produce different zones.
v1.0 · Reviewed September 2026