Enter your power and weight to get W/kg and an approximate rider level. Then see what it would take to reach a target W/kg, and estimate how long a climb will take with a physics model.
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W/kg is the key number for hilly rides and races.
See exactly how many watts to gain or kilos to lose.
Estimate time on a known climb before you ride it.
Untrained adults often have an FTP around 1.5-2.5 W/kg. Regular club riders typically sit at 2.5-3.5 W/kg, strong amateur racers at 3.5-4.5 W/kg and professionals above 5 W/kg, with Grand Tour contenders near 6 W/kg.
Gaining power and losing weight both raise W/kg, but losing weight too fast usually costs power. Most riders progress fastest with consistent structured training.
About 2.0-3.0 W/kg FTP.
About 3.5-4.5 W/kg FTP.
About 5.0-6.5 W/kg FTP.
Functional Threshold Power is the highest average power you can sustain for about an hour. It is often estimated as 95% of your best 20-minute power or 75% of the best one-minute power in a ramp test.
On climbs most of your power goes into lifting your weight, so watts per kilogram predicts climbing speed far better than raw watts. On flat roads aerodynamics matter more.
They are approximate bands drawn from widely used power profile tables. Treat them as a rough guide, not a race category.
The tool solves the standard cycling power equation: gravity, rolling resistance and air drag, with 97.5% drivetrain efficiency and still air at sea level.
Velocita Ascensionale Media - metres climbed per hour. Good amateurs climb at 1,000-1,300 m/h; Grand Tour winners exceed 1,700 m/h.
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