Garmin FORERUNNER 965 Owner's Manual page 147

FTP Ratings
These tables include classifications for functional threshold power (FTP) estimates by sex.
Males
Superior
Excellent
Good
Fair
Untrained
Females
Superior
Excellent
Good
Fair
Untrained
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
Watts per Kilogram (W/kg)
5.05 and greater
From 3.93 to 5.04
From 2.79 to 3.92
From 2.23 to 2.78
Less than 2.23
Watts per Kilogram (W/kg)
4.30 and greater
From 3.33 to 4.29
From 2.36 to 3.32
From 1.90 to 2.35
Less than 1.90
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