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What Does Fitness Age Mean in Garmin Connect?

Available on select Garmin devices, Fitness Age is an estimate of how fit you are compared to your actual age. Compatible Garmin devicees will measure your Fitness Age differently, depending on which device you have.

Fitness Age Using VO2 Max 

Select Garmin devices will calculate your Fitness Age using your VO2 max estimate. While your VO2 max estimate describes your current fitness level, it is not always easy to know what it means. Fitness Age reinterprets your VO2 max score in terms of age to make it more relatable. Regularly engaging in the right types of physical activity will help you boost your VO2 max estimate score and will reduce your Fitness Age.


Fitness Age Compatibility List

  • D2 Air

  • D2 Air X10

  • D2 Charlie

  • D2 Delta Series

  • Descent Mk1

  • Descent Mk2 Series

  • Edge 540 Series

  • Edge 840 Series

  • Edge 1040 Series

  • Edge Explore 2

  • fenix 5 Series

  • Forerunner 45 Series

  • Forerunner 55

  • Forerunner 245 Series

  • Forerunner 255 Series

  • Forerunner 265 Series

  • Forerunner 645 Series

  • Forerunner 745

  • Forerunner 935

  • Forerunner 945/945 LTE

  • Forerunner 955/955 Solar

  • Forerunner 965

  • Legacy Series (Captain Marvel, Darth Vader, First Avenger, Rey)

  • Lily Series

  • quatix 5

  • quatix 6

  • tactix Charlie

  • Venu

  • Venu 2 Series

  • Venu Sq Series

  • vivoactive 3 Series

  • vivoactive 4 Series

  • vivomove HR

  • vivomove 3 Series

  • vivomove Luxe

  • vivomove Sport

  • vivomove Style

  • vivomove Trend

  • vivosmart 3

  • vivosmart 4

  • vivosmart 5

  • vivosport


How Do I View My Fitness Age Using VO2 Max?

If your Garmin device is compatible with Fitness Age using VO2 max and you have a VO2 max estimate, you can view your Fitness Age in Garmin Connect. Choose your preferred platform below to reveal instructions.


Garmin Connect App

  1. Open the Garmin Connect app.

  2. Access the Menu:  

    • Android: Select black box with three horizontal lines (top left).

    • iOS: Select More (bottom right).

  3. Select Performance Stats or Health & Performance.

  4. Select VO2 Max.

  5. Select View Your Fitness Age.


Garmin Connect Web

  1. Sign into Garmin Connect.

  2. Select Reports from the navigation bar on the left.

  3. Select All Activities

  4. Select VO2 Max.

  5. Select View Your Fitness Age


Improved Fitness Age Using Additional Factors

On select newer Garmin devices, improved Fitness Age now takes into account activity intensity, resting heart rate, and body fat percentage or BMI. You will need a Garmin Index Smart Scale to receive a body fat percentage measurement in Garmin Connect. If your body fat percentage is unavailable, your body mass index (BMI) is used to calculate Fitness Age. Check the list below to see if your device is compatible.


Improved Fitness Age Compatibility List

For some devices, this feature requires the latest available software installed.
  • D2 Air X10

  • D2 Mach 1

  • Edge 540 Series

  • Edge 840 Series

  • Edge 1040 Series

  • Edge Explore 2

  • Enduro Series

  • epix (Gen 2) Series

  • fenix 6 Series

  • fenix 7 Series

  • Forerunner 55

  • Forerunner 255 Series

  • Forerunner 265 Series

  • Forerunner 745

  • Forerunner 945/945 LTE

  • Forerunner 955/955 Solar

  • Forerunner 965

  • Instinct 2 Series (requires SW v8.10 or newer)

  • Lily Series

  • MARQ Collection

  • tactix 7 Series

  • tactix Delta Series

  • Venu 2

  • Venu 2 Plus

  • Venu Sq 2 & Venu Sq 2 Music

  • vivosmart 5

  • vivomove Luxe

  • vivomove Sport

  • vivomove Style


If your Fitness Age is lower than your actual age, then you are on the right track. If it is higher, there may be some areas you can work on to improve it. Along with your current Fitness Age, Garmin Connect provides an achievable Fitness Age for you to strive toward. Action steps will also be provided that can help you reach your achievable Fitness Age. These recommendations will change dynamically as you make progress toward your fitness goals.


How Do I View My Improved Fitness Age Using Additional Factors?

If your Garmin device is compatible with improved Fitness Age, you can view your Fitness Age in Garmin Connect. Select devices may also support viewing the Fitness Age on the device directly (refer to your owner's manual). Choose your preferred platform below to reveal instructions.


Garmin Connect App

  1. Open the Garmin Connect app.

  2. Access the menu:  

    • Android: Select Garmin Connect app menu icon for Android (top left).

    • iOS: Select More (bottom right).

  3. Select Health Stats or Health & Performance.

  4. Select Fitness Age.


Garmin Connect Web

  1. Sign into Garmin Connect.

  2. Select Health Stats in the navigation bar on the left.

  3. Select Fitness Age.


My Device Supports Improved Fitness Age, But It Is Not Displaying One or Updating

If your device supports improved Fitness Age but you do not receive a Fitness Age, or you feel that your Fitness Age should have updated, it may be due to one of these factors:

Missing Data

The following data is required in your Garmin Connect user settings in order to receive an improved Fitness Age:

  • Resting heart rate

  • Body fat percentage, or height and weight

  • A gender selection of male or female

Stale Weight Data

If your weight or body fat percentage measurement is older than 7 days, you will need to either add a weight manually in Garmin Connect or use a Garmin Index Smart Scale to record a body fat percentage in order to receive your updated Fitness Age.


Why Did My Fitness Age Suddenly Change?

If you are using a device compatible with improved Fitness Age, you may have noticed your Fitness Age report in Garmin Connect is showing a different value than it had been, and some of the past values may no longer be showing at all. The new method for calculating Fitness Age will give more accurate estimates, and past data utilizing the VO2 max method will no longer be displayed in Garmin Connect in favor of the newer more accurate measures.

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