Fitness Age Calculator

Assess your cardiovascular health with your fitness age.

Introduction to Fitness Age

Fitness age estimates your cardiovascular health based on VO2 max, weight, activity level, and resting heart rate, compared to your chronological age. A lower fitness age indicates better aerobic fitness and longevity potential (American Heart Association).

Pair with our BMI Calculator and Core Strength Test for a holistic health overview.

Fitness Age Calculator

Enter your details to calculate your fitness age and get health insights.

Personal Details
VO2 Max Input

Leave blank to estimate VO2 max based on your data.

How the Fitness Age Calculator Works

Calculation Method

Based on American Heart Association guidelines:
- VO2 max is estimated or input directly.
- Adjusted for weight, activity level, and resting heart rate.
- Compared to age/gender norms to derive fitness age.

Fitness Age Interpretation

Lower than Chronological Age: Excellent cardiovascular health.
Equal or Higher: May indicate need for more exercise.

Person jogging outdoors (Source: Pexels)

Benefits of Using This Calculator

This Fitness Age Calculator helps you:
- Assess cardiovascular fitness with VO2 max.
- Identify areas for improvement.
- Track progress over time.
- Integrate with BMI Calculator and Core Strength Test (source: NIH).

Frequently Asked Questions

What is fitness age?

Fitness age is an estimate of your cardiovascular health based on VO2 max, compared to your chronological age (American Heart Association).

How is fitness age calculated?

Based on VO2 max, weight, activity level, and resting heart rate, adjusted against age/gender norms.

What is VO2 max?

VO2 max is the maximum oxygen your body can use during exercise, a key indicator of aerobic fitness (Mayo Clinic).

How can I improve my fitness age?

Increase aerobic exercise (e.g., running, cycling) to 150-300 minutes/week and improve diet (CDC).

Is a lower fitness age better?

Yes, a fitness age lower than your chronological age indicates better cardiovascular health.

How often should I check my fitness age?

Every 3-6 months to monitor progress with regular exercise.

Improve Your Cardiovascular Health

Use this Fitness Age Calculator to track your aerobic fitness. Combine with our BMI Calculator or Core Strength Test for a complete health assessment. Explore more at Harvard Health.

About the Author

Reviewed by: Dr. Sarah Patel, MD in Cardiology, Certified Fitness Trainer, with 10 years in cardiovascular health. Content verified for accuracy as of October 07, 2025, 04:13 PM IST.