By Height By Weight  

Calorie Deficit

A calorie deficit is a term used in fitness, health and weight loss to describe the state where you are burning more calories than you consume through your diet. This can be achieved by reducing your food intake or by increasing your physical activity levels or a combination of both. It is commonly used to lose weight, as the body turns to stored fat for energy when it is not getting enough energy from food.

Examples of Calorie Deficit

For example, if your body burns 2000 calories every day and you only consume 1500 calories, you are in a calorie deficit of 500 calories. In other words, you are burning 500 more calories than you have eaten, which will lead to weight loss over time. Another example is increasing your physical activity, such as walking or running, to burn calories in addition to reducing your food intake, which leads to a greater calorie deficit.

Synonyms and Antonyms

Synonyms for calorie deficit include negative energy balance and calorie restriction. Antonyms could be calorie surplus or positive energy balance, where you are consuming more calories than you burn.

Related Terms

  • Basal Metabolic Rate (BMR): This refers to the number of calories your body burns even when you are at rest, performing basic bodily functions, such as breathing and circulation.
  • Metabolism: It is the process by which the body burns and uses calories for energy, including during exercise and activity.
  • Body Mass Index (BMI): This is a measure of body fat based on height and weight. It is commonly used to determine whether an individual is underweight, normal weight, overweight, or obese.

Importance and Benefits

Calorie deficit is important for weight loss and overall health as it helps you create a negative energy balance, which leads to the loss of stored fat. It also helps improve insulin sensitivity, reduces inflammation, lowers the risk of chronic diseases like diabetes, hypertension, and heart disease. Additionally, being in a calorie deficit can help increase energy levels, improve mood, and boost confidence.

Madeleine Smith

Content Lead at

Madeleine is passionate about empowering individuals with the information and tools they need to transform their bodies and lives.