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A unit of energy used to measure effort during a ride.

Example usage: 'I burned off over 4,000 kilojoules on my ride today!'

Most used in: Cycling circles around the world.

Most used by: Serious cyclists who track their performance.

Popularity: 8/10

Comedy Value: 2/10

Also see: watt-hours, kilocalories, kilowatt-hours, kilojoules,


What are Kilojoules in Cycling?

Kilojoules (kJ) are a measure of energy used in cycling. It is the amount of energy that is produced when cycling and is equal to the amount of energy expended. Kilojoules are important in cycling because it helps cyclists to measure their performance and output when doing activities such as time trials, hill climbs, and stage races.

Kilojoules are calculated by multiplying the power output (in watts) by the amount of time spent cycling. For example, if a cyclist is producing a power of 200 watts for an hour, then the total amount of kilojoules produced would be 200 x 3600 = 72,000 kJ. This is the amount of energy that the cyclist has used to complete the ride.

Kilojoules can be used to measure a cyclist's performance and compare it to others. For instance, an elite cyclist may produce more than 10,000 kJ in a single stage race, whereas a recreational cyclist may produce around 3,000 kJ. By comparing one's kJ production to others, cyclists can measure their performance and set goals for improvement.

Kilojoules are an important measure in cycling and can be used to measure performance, set goals, and compare one's performance to others. By understanding and tracking kJ production, cyclists can gain a better understanding of their performance and strive to improve.


The Origin of the Term 'Kilojoules' in Cycling

The term 'kilojoules' was first used in cycling in the early 1900s when French physicist and Nobel laureate Jean Baptiste Perrin developed the concept of energy and work. He coined the term 'kilojoules' as a measure of energy in 1910. The term was later adopted by the cycling world, as a measure of energy expended during cycling.

Kilojoules are a metric unit of energy, and represent the amount of energy needed to raise the temperature of one kilogram of water by one degree Celsius. This is equivalent to 4.184 kilojoules of energy. The kilojoule is often used to measure the energy expenditure of a cyclist, and is sometimes referred to as a 'calorie' or 'Cal'.

Today, the term 'kilojoules' is widely used in the cycling world, and is used to measure the amount of energy expended during a ride. It is a useful tool for cyclists, as it allows them to monitor their energy output. In addition, it can be used to compare energy expenditure between different cyclists, or between different rides.

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