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Fitness Age Calculator

Your chronological age is just a number. Your fitness age reveals how old your body actually performs. This can be older or younger than your real age.

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Included with the Fitness pass
Sign in with your Kriyasya membership to use this tool.
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Fitness World Pass 50 credits
30 days of Fitness
42 Included Tools & Reports
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*Fair Usage Policy applies. Premium AI Vision Tools and eligible additional reports use credits.

What you'll get

⚡
Fitness Age Estimate
Your body's functional age.
⚡
Component Scores
Strength, cardio, mobility, and composition scores.
⚡
Gap Analysis
How far your fitness age is from your real age.
⚡
Improvement Plan
Specific actions to lower your fitness age.

How it works

  1. Enter your stats including resting heart rate and activity.
  2. Complete the simple fitness tests (pushups, plank).
  3. Get your fitness age and component scores.
  4. Follow the improvement plan.

How to get access

1 · Become a member

Click "Get Access Now" to join Kriyasya. One membership unlocks every premium plan, report and bundle.

2 · Sign in by email

Enter the email you joined with — we send a one-time code. No passwords to remember.

3 · Generate your plan

Fill the short form and get your personalized, printable plan in seconds.

Frequently asked questions

What is fitness age?

A composite score that estimates your body's functional age based on cardiovascular fitness, strength, mobility, and body composition.

Can I improve my fitness age?

Absolutely. Regular exercise, better sleep, and healthy habits can dramatically lower your fitness age.

Fitness Age Calculator

Discover your fitness age based on resting heart rate, activity level, strength, and lifestyle factors. More meaningful than BMI alone.

Get Access Now
Included with the Fitness pass
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