FTP Calculator
Calculate your FTP from a 20-minute test or ramp test and get all 5 training zones automatically.
Your average power during the 20-minute all-out effort
For W/kg calculation
For heart rate zone calculation
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Watts FTP
Your 5 Training Zones
| Zone | Name | Watts | HR |
|---|
🚀 WattRun tracks your zones automatically
After every upload, zones + FTP development are calculated automatically — no manual calculator needed.
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How Does the FTP Calculator Work?
The FTP calculator computes your Functional Threshold Power (FTP) from your test result and automatically shows all 5 training zones based on the Coggan model.
20-minute test: Your average power is multiplied by 0.95, since you can sustain slightly more power for 20 minutes than for 60 minutes (your true FTP).
Ramp test: Your maximum 1-minute power is multiplied by 0.75. Faster to perform, similarly accurate.