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Fitness Age Calculator | Tools
Fitness Age Calculator - Estimates biological fitness age from VO2max, resting HR, waist circumference, and activity level
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.
Fitness Age Calculator
Estimates biological fitness age from VO2max, resting HR, waist circumference, and activity level.
Methodology
Estimates biological fitness age from VO2max, resting HR, waist circumference, and activity level. Based on NTNU/CERG fitness calculator research.
FAQ
How does this work?
Estimates biological fitness age from VO2max, resting HR, waist circumference, and activity level. Based on NTNU/CERG fitness calculator research.
How accurate?
Based on established formulas.
Who is this for?
Athletes and fitness enthusiasts.
Need professional advice?
Yes for medical conditions.
Estimates based on established formulas.