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Target Heart Rate Calculator | Target Heart Rate Calculator
Target Heart Rate Calculator - Target HR using Karvonen formula: THR = RestHR + (MaxHR - RestHR) x Intensity%
Built by an engineer who chases finish lines and is obsessed with data. Thomas Prommer — technology executive who has worked with Google, Apple, Nike, Adidas, Netflix and other global brands. Also an Ironman finisher, HYROX Pro Division competitor, and marathon runner. These tools combine engineering rigor with real race experience.
Target Heart Rate Calculator
Target HR using Karvonen formula: THR = RestHR + (MaxHR - RestHR) x Intensity%.
Methodology
Target HR using Karvonen formula: THR = RestHR + (MaxHR - RestHR) x Intensity%. Age-predicted max: 220 - age.
FAQ
How does this work?
Target HR using Karvonen formula: THR = RestHR + (MaxHR - RestHR) x Intensity%. Age-predicted max: 220 - age.
How accurate is this?
Based on established formulas with reasonable accuracy for most individuals.
Who should use this?
Athletes, fitness enthusiasts, and anyone looking to optimize their training.
Should I consult a professional?
Yes, especially before starting new training programs or if you have health conditions.
Results are estimates. Consult a professional for personalized guidance.