Question 1

What is a Power-to-Weight Ratio (W/kg)?

Accepted Answer

Power-to-weight ratio (W/kg) is the key cycling performance metric. The same power with less weight dramatically improves climbing speed.

Question 2

How does the Power-to-Weight Ratio (W/kg) work?

Accepted Answer

W/kg = FTP (Functional Threshold Power) / Body weight in kg Then: FTP = maximum sustainable power output for approximately 60 minutes Then: Tour de France GC contenders typically reach 6.0-6.5 W/kg.

Question 3

Can you give an example of how to use the Power-to-Weight Ratio (W/kg)?

Accepted Answer

Example: Input 250W FTP, 70kg rider gives a result of 3.57 W/kg - Cat 3/4 level; world-class riders reach 6.0 W/kg+.

Question 4

Is the Power-to-Weight Ratio (W/kg) free to use?

Accepted Answer

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

Question 5

How accurate is the Power-to-Weight Ratio (W/kg)?

Accepted Answer

Our Power-to-Weight Ratio (W/kg) uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Question 6

Is this Power-to-Weight Ratio (W/kg) medically accurate?

Accepted Answer

This tool uses clinically recognised formulas for general information and educational purposes. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider for medical decisions.

Power-to-Weight Ratio (W/kg)

What is Power-to-Weight Ratio (W/kg)?

How to Use Power-to-Weight Ratio (W/kg)

Example Power-to-Weight Ratio (W/kg) Examples

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