Different weight same power to weight ratio. Ive been working to lose weight watching what i eat and pushing myself on rides. Cyclist a can sustain a maximum power output of 250w while cyclist b can only manage 225w. The power to weight ratio pwr is the standard that most cyclists use to measure their fitness and improvement. But what if the heavier rider is producing more power than the lighter rider and the two have the same power to weight ratio. Really cycling shouldnt result in any injuries unless you fall off the bike the saddle height measurement to be clear is the distance between the centre of the bottom bracket and the.
How to calculate your power to weight ratio to determine your pwr divide your body weight in pounds by 22 to convert it to kilograms then divide the average power from a 20 or 30 minute time. If youre after a simple guide on how to lose weight through cycling then check out our article for the 14 key things you need to do dont worry theyre wonderfully simple. Well you get a graph that looks something like. Power to weight ratio matters because its a great predictor of performance. After seeing the standard height weight bmi info available i was really wondering how someone of my height 64 could be a healthy weight between 152 and 198 as advertised in a typical bmi table. Thanks for posting this info.
Most cyclists use their ftp for their power input to calculate their pwr for an hour or a standard criterium. Rule of thumb equation for appropriate weight is to take 100 pounds for the first 5 feet of height for women and 106 pounds for men. So we know that if a 70kg rider and an 80kg rider are producing the same amount of power the lighter rider will climb faster. Now this can be used as a baseline calculation but there is a lot of variability. Then add 4 6 pounds per inch of height above this base women and 5 7 pounds per inch men. Per inch of height world champion cyclists 2001 2012 mean average and standard deviation as you can see to compete on the worlds highest level you need to be light in weight specifically approximately 185 187 lbs per inch for women and 215 219 lbs per inch for men.
Body weight in lbs. For the past 30 years health care professionals have used bmia measure of how much mass someone has relative to their heightto identify if a person is at a healthy weight. It is easily calculated by dividing your weight in kilograms by your average power output in watts.
Gallery of Cycling Weight Height Ratio
