BikeWatts

BikeWatts is a utility that allows you to calculate your speed and estimate your power output while you are bicycling. - Choose your tire size - Set your weight and the weight of your bike - Pick your gearing and pedaling cadence by spinning the cog controls - Select your hand position - handlebar tops, hoods, drops, or aero position - Select a slope by dragging your finger - Your speed, power output, and amount of kilocalories burned per minute are calculated on the fly - Supports both metric (kph and kg) and imperial (mph and lbs) units.