Power, Speed, Force Calculation

Effective Frontal Area (0.4 to 0.7 is typical).

m2

Drag Coefficient (Use default value).

Air Density (or Air Density from Temperature, Barometric Pressure, and altitude).

kg/m3    Sea Level   1.226 1500 Meters   1.056 3000 Meters   0.905

Weight of Rider and Bike.

kg

Coefficient of Rolling Resistance.

Wooden Track 0.001 Smooth Concrete 0.002 Asphalt Road 0.004 Rough but Paved Road 0.008

Slope.

Rise/Run (decimal)

Speed.

m/s

Pedal Cadence.

rev/min

Crank Length.

mm

Effective Pedaling Range.

degrees

© 2001 Tom Compton