basic

Cycling FTP Watts per Kg Calculator

W/kg = FTP / body_mass — cycling power-to-weight ratio.

Calculates cycling power-to-weight ratio from Functional Threshold Power (FTP) and body mass, and classifies the rider category.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

W/kg = FTP_watts / mass_kg

In depth

Calculates cycling power-to-weight ratio from Functional Threshold Power (FTP) and body mass, and classifies the rider category.