Cycling Power Calculator

Calculate cycling power output based on speed, weight, grade, and conditions. Estimate watts and power-to-weight ratio.

Total Weight (Rider + Bike)

Speed

km/h

Grade

Wind Speed

km/h

Total Power

174.48 W

Watts per kg

2.18 W/kg

Rolling Resistance32.7 W

Air Resistance141.78 W

Climbing Power0 W

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Formula

Power = Rolling Resistance + Air Resistance + Climbing Power

Calculate cycling speed, distance, or time. Includes pace, calorie burn estimates, and metric conversions.

Calculate your running pace per mile and per kilometer. Get predicted race times for 5K, 10K, half marathon, and marathon distances.

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