What is a calorie calculator?

The calorie calculator can be used to estimate the number of calories a person needs to eat each day. This calculator can also provide some simple guidelines for gaining or losing weight. Use the calorie calculator to estimate the number of daily calories your body needs to maintain your current weight. If you are pregnant or breastfeeding, are a competitive athlete, or suffer from a metabolic disease such as diabetes, the calorie calculator may overestimate or underestimate your actual calorie requirement.

People assess the intensity of their activities differently. And activity levels can change over time. So think of your calorie estimate as a starting point and adjust it when you change your activity level. Created by the Mayo Foundation for Medical Education and Research based on the Harris Benedict Equation and the Institute of Medicine’s Dietary Reference Values.

Mayo Clinic does not endorse any companies or products. Advertising revenue supports our charitable mission. It is difficult to set the lowest calorie values because everyone has different body compositions and activity levels. Becoming aware of the calories you eat every day is often the first step to changing your behavior in the way you consume calories.

Studies have shown that people who use digital tracking such as calorie calculators and counters as part of their weight loss strategy tend to lose more weight than people who don’t. They reviewed the methods used with this tool to calculate daily calorie requirements for weight maintenance and weight loss. In general, moderately active men burn 2,200 to 2,800 calories per day, and moderately active women burn 1,800 to 2,200 calories per day. It states that to lose 1 pound of body weight per week, you need to eat 500 fewer calories per day (3,500 fewer calories per week).

It calculates the calories and macros you need to eat each day to reach your goal weight and shows the predicted changes in your body composition over time. A calorie deficit occurs when a person consumes fewer calories than their total daily energy expenditure, which can result in weight loss. The calculator calculates your macronutrient amounts (carbohydrates, protein, and fat) in grams based on the calorie intake required to reach your target weight with a balanced, low-fat, low-carb, and high-protein diet. And probably the biggest advantage of counting calories is the potential weight loss. However, you should talk to a doctor if you’re counting calories for weight loss, as it can be difficult to maintain and is often a temporary solution.

If you want to lose weight, it calculates the number of daily calories you need to consume to reach your weight loss goal. For example, if you opt for a 200-calorie snack, 200 calories from jelly beans is not the same as 200 calories from a banana. In general, it is recommended that women should consume around 2,000 calories per day, while men should consume around 2,500 calories per day. In addition to tracking your calorie intake, another important part of weight loss is burning more calories than you consume.

How many calories you consume and what percentage of your calories come from each macronutrient can be manipulated to meet your individual needs and goals. Not all calories are the same; some are high-quality calories, meaning they provide more nutrients per calorie than others.


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