FTP Ratings
These tables include classifications for functional threshold power (FTP) estimates by sex.
Males
Watts per Kilogram (W/kg)
Superior
5.05 and greater
Excellent
From 3.93 to 5.04
Good
From 2.79 to 3.92
Fair
From 2.23 to 2.78
Untrained
Less than 2.23
Females
Watts per Kilogram (W/kg)
Superior
4.30 and greater
Excellent
From 3.33 to 4.29
Good
From 2.36 to 3.32
Fair
From 1.90 to 2.35
Untrained
Less than 1.90
FTP ratings are based on research by Hunter Allen and Andrew Coggan, PhD, Training and Racing with a Power
Meter (Boulder, CO: VeloPress, 2010).
Wheel Size and Circumference
Your speed sensor automatically detects your wheel size. If necessary, you can manually enter your wheel
circumference in the speed sensor settings.
The tire size is marked on both sides of the tire. You can measure the circumference of your wheel or use one of
the calculators available on the internet.
Appendix
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