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Cycling Power Zones (Coggan)

Calculate Cycling Power Zones (Coggan) instantly with the exact formula and a worked example.

Cycling Power Zones (Coggan)

FTP
Z4 (90-105% FTP)
242.5W
Z1: <137,5, Z2: 137,5-187,5, Z3: 187,5-225, Z5+: >262,5Calculate Cycling Power Zones (Coggan) instantly with the exact formula and a worked example.

More about: Cycling Power Zones (Coggan)

What it calculates

The “Cycling Power Zones (Coggan)” calculator computes Z4 (90-105% FTP) in W from 1 parameter: ftp.

A study aid and exam-prep helper.

Example calculation

With parameters FTP = 250 the result is 242.5 W (Z1: <137,5, Z2: 137,5-187,5, Z3: 187,5-225, Z5+: >262,5).

How to use

  1. Enter ftp — each field above is adjustable with a slider.
  2. Z4 (90-105% FTP) (W) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Cycling Power Zones (Coggan) calculated?
The Cycling Power Zones (Coggan) calculator computes Z4 (90-105% FTP) (in W) from ftp. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Cycling Power Zones (Coggan) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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