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Heart-Rate Training Zone Calculator
Interactive Vault tool
JR Strength & FitnessUpdated Aug 31, 2026assessment
Problem this solves
Build a five-zone heart-rate training table from age or a measured max HR, computed by both %HRmax and Karvonen (heart-rate reserve) methods, with estimation error and scope limits stated honestly.
This resource is part of the Vault
Build a five-zone heart-rate training table from age or a measured max HR, computed by both %HRmax and Karvonen (heart-rate reserve) methods, with estimation error and scope limits stated honestly.