How to work out your Fitness Age 

The Norwegian University of Science and Technology has created an algorithm to work out your Fitness Age. It includes several questions that take approx. 3 minutes to answer.

You will need access to your Fit3d results for this process. You can login to your Fit3d account by going to and logging in. 

Prior to working out your Fitness Age, you will need to know your Resting Heart Rate (RHR). Here are some instructions on how to work this out.

Once you are ready, please work out your Fitness Age here 

If you have any questions about the results please email 

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