FTP (Sea Level, Watts)              
CdA
 
Weight (Rider +Bike)                      
Road Gradient (%)              
Power Decay Model  
                             
[Calculate]              
   
Environment & Physiology   Physiological Loss   Aerodynamic Gain   Combined Effect of Altitude  
Altitude Air Pressure mb O2 Hb O2 Mouse over boxed values for percentage of sea level value  
Metres Feet (% Sea level) Pressure Sat % FTP Kph Watts Kph Watts Kph  
0 0 1013 (100%) 21.0% 97%                
500 1,640 955 (94.3%) 19.8% 96%        
1,000 3,281 899 (88.7%) 18.6% 95%        
1,500 4,921 846 (83.5%) 17.5% 94%        
2,000 6,562 795 (78.5%) 16.5% 93%        
2,500 8,202 747 (73.7%) 15.5% 92%        
3,000 9,843 701 (69.2%) 14.5% 90%        
3,500 11,483 658 (65.0%) 13.6% 97%        
4,000 13,123 616 (60.8%) 12.8% 84%        
4,500 14,764 577 (57.0%) 12.0% 80%        
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