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FTP and Power Zone Calculator (Cycling)

Enter the average power from your 20-minute test (or your FTP if you already know it) and your weight to see your zones and your W/kg.

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What is FTP?

FTP (functional threshold power) is the power you can sustain for roughly one hour. The most common way to estimate it is an all-out 20-minute test: FTP = average power × 0.95.

Coggan power zones

The 7 zones are defined as a percentage of your FTP. Almost all your volume goes in Z2; Z4 and Z5 are saved for 1-2 quality sessions per week.

Frequently asked questions

What is a good FTP?

It depends on your weight, so it's compared in W/kg. A trained amateur cyclist is usually between 3 and 4 W/kg.

How often should I repeat the test?

Every 6-8 weeks or when you start a new training block.

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