Cycling Watts per Kilogram (W/kg) & FTP Power-to-Weight Ratio Calculator
Calculate your cycling Power-to-Weight ratio (Watts/kg - W/kg) from your Functional Threshold Power (FTP in Watts) and determine your Andy Coggan competitive category rank for hill climbing and time trials.
Rider Power-to-Weight Ratio (W/kg)
Calculator Inputs
Rider Power-to-Weight Ratio (W/kg)
Total System Power-to-Weight with Bike (W/kg)
Rider W/kg vs Total System W/kg Comparison
Benchmark cycling performance metric. W/kg is the single most decisive physiological predictor of road cycling climbing performance.
This tool is a mathematical wellness and fitness estimation model for general educational guidance only. The results do not constitute medical diagnosis, clinical advice, or treatment plans. Always consult a qualified physician or certified dietitian before starting any dietary regimen, exercise program, or making health decisions.
Calculation Methodology
Rider Power-to-Weight (W/kg) = FTP (Watts) / Rider Body Weight (kg). Total System W/kg = FTP / (Rider Weight + Bike Weight).
Frequently Asked Questions
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