FTP & Training Zones Calculator
Work out your Functional Threshold Power from a 20-minute or ramp test, plus your 7 training zones.
Test type
FTP = 95% of your best 20-minute average power.
Pop in a power number above zero and I'll do the maths.
Estimated FTP
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| Zone | Range (W) | % of FTP |
|---|
A test result is a snapshot, not a verdict — pacing, fatigue and a bad night's sleep all move this number. Retest every 6-8 weeks.