Cycling FTP Calculator
Estimate Functional Threshold Power from a 20-minute test (or enter known FTP), then get Coggan seven-zone power ranges, W/kg ranking and a shareable training table.
| Zone | Name | Percent FTP | Target watts |
|---|
Coggan Classic zones. Integer watt cutoffs are rounded from each percentage boundary, then adjacent ranges are joined with no missing watts.
Pair with Heart rate zones | estimate ride energy: Calories burned | run pacing: Pace calculator.
How to use
Choose the protocol that produced your input: the complete Allen/Coggan/McGregor 20-minute field test, the Zwift ramp-test best rolling minute, or an already known FTP. Enter body weight for W/kg, then use the continuous Coggan Classic watt ranges for workout targets.
Cycling FTP Calculator helps athletes and everyday trainees get a clear, actionable number they can use in the gym, on the road or in the pool — without uploading any data. All calculations run locally in your browser.
Use the presets to learn the expected inputs, then adjust for your own session. Export or share the result when you want a training log or a quick plan for your next workout.
FAQ
Is my data uploaded?
No. Inputs stay in your browser. Optional session history uses localStorage on this device only.
Is this medical or coaching advice?
No. It is a free educational calculator. Consult a qualified coach or clinician for personalised programmes, especially if you have injuries or health conditions.
Can I share or export the result?
Yes. Most pages support copy, CSV download and a shareable result image so you can keep a log or send the plan to a training partner.
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