Cycling Power Calculator

Calculate the power required for your cycling conditions

Rider and Conditions

Unit System

Rider Weight (kg)

Bike Weight (kg)

Speed (km/h)

Gradient (%)

Headwind (km/h)

Riding Position

Surface

Power Required

Total Power

151 W

2.02 W/kg

Power Breakdown

Air Resistance:

124W (82.0%)

Rolling:

27W (18.0%)

Gradient:

0W (0.0%)

CdA (Drag Area): 0.35 m²

Crr (Rolling Resistance): 0.004

Training Power Zones

Based on estimated FTP of 144W

Z1

Recovery

0-55%

Easy spinning

Z2

Endurance

56-75%

All-day pace

Z3

Tempo

76-90%

Moderate effort

Z4

Threshold

91-105%

Race pace

Z5

VO2max

106-120%

Hard intervals

Z6

Anaerobic

121-150%

Short bursts