
The keto diet is a high-fat, low-carb eating plan that can help people lose weight. The number of calories you eat on the keto diet depends on your goals. If you want to lose weight, you need to eat fewer calories than you burn. For moderately active men, this means eating between 2,200 and 2,800 calories a day, while moderately active women should consume between 1,800 and 2,200. However, some keto diets can be as low as 800 calories per day. On a 2,000-calorie-per-day keto diet, you would eat about 100 calories of carbohydrates, 400 calories of protein, and 1,500 calories of fat.
| Characteristics | Values |
|---|---|
| Calories from carbohydrates | 5% |
| Calories from protein | 20% |
| Calories from dietary fats | 75% |
| Calories from carbohydrates (in grams) | 25 |
| Calories from protein (in grams) | 100 |
| Calories from dietary fat (in grams) | 167 |
| Calories for moderately active men | 2,200-2,800 |
| Calories for moderately active women | 1,800-2,200 |
| Calories for average women | 1,600-2,400 |
| Calories for men | 2,000-3,000 |
| Low-calorie keto diets | 800-1,200 |
| Very low-calorie keto diets | Less than 800 |
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What You'll Learn
- The average woman needs 1,600-2,400 calories a day to maintain weight
- Men need 2,000-3,000 calories a day
- The keto diet provides 980 calories with 12% carbohydrates, 36% protein and 52% fat
- The average keto diet provides 70% or more calories from fat
- A low-calorie keto diet is 800-1,200 calories per day

The average woman needs 1,600-2,400 calories a day to maintain weight
The keto diet is a very high-fat, low-carb diet. Depending on the phase and calorie needs of the person following the diet, it can accommodate up to 70 grams of carbohydrates per day, but a typical maximum intake goal is 50 grams or less. A 2,000-calorie-per-day ketogenic diet would include about 100 calories (25 grams) of carbohydrates, 400 calories (100 grams) of protein, and 1,500 calories (167 grams) of dietary fat.
There are two basic categories of keto diets: low-calorie keto diets (800 to 1,200 calories per day) and very low-calorie keto diets (less than 800 calories per day). The ketogenic diet used in one study was lower in fat and slightly higher in carbohydrates and protein than the average keto diet, providing 980 calories with 12% carbohydrate, 36% protein, and 52% fat.
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Men need 2,000-3,000 calories a day
The keto diet is a low-carb, high-fat diet that aims to put your body in a state of nutritional ketosis, a metabolic process that increases the production of ketones, which can be used as the body's primary energy source.
On a 2,000-calorie-per-day keto diet, this equates to about 100 calories (25 grams) of carbohydrates, 400 calories (100 grams) of protein, and 1,500 calories (167 grams) of dietary fat. However, the number of calories a man needs per day on a keto diet depends on his activity level. Moderately active men should consume between 2,200 and 2,800 calories a day to maintain their weight, while the average man needs between 2,000 and 3,000 calories a day.
There are also low-calorie keto diets (800 to 1,200 calories per day) and very low-calorie keto diets (less than 800 calories per day). These diets help people eliminate stubborn body fat, but they may be challenging to maintain due to the extreme carbohydrate restriction.
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The keto diet provides 980 calories with 12% carbohydrates, 36% protein and 52% fat
The keto diet is a low-carb, high-fat diet that involves drastically reducing carbohydrate intake and replacing it with fat. This reduction in carbs puts your body into a metabolic state called ketosis, where the body starts burning fat for energy instead of carbohydrates.
The number of calories you should eat on a keto diet depends on your individual calorie needs. The average woman needs between 1,600 and 2,400 calories a day to maintain her weight, while the average man needs between 2,000 and 3,000. However, there are also low-calorie keto diets (800 to 1,200 calories per day) and very low-calorie keto diets (less than 800 calories per day) that can help people eliminate stubborn body fat.
It is important to note that following a very high-fat diet may be challenging to maintain. Possible symptoms of extreme carbohydrate restriction that may last days to weeks include hunger, fatigue, low mood, irritability, constipation, headaches, and brain "fog."
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The average keto diet provides 70% or more calories from fat
The keto diet is a high-fat, low-carb diet. The average keto diet provides 70% or more calories from fat, 20% or less from protein, and 5% or less from carbohydrates.
On a 2,000-calorie-per-day keto diet, this equates to about 100 calories (25 grams) of carbohydrates, 400 calories (100 grams) of protein, and 1,500 calories (167 grams) of fat. However, the number of calories a person needs to eat on the keto diet varies depending on their calorie needs and the phase of the diet. For example, some keto diets can accommodate up to 70 grams of carbohydrates per day, while others aim for 50 grams or less.
There are also low-calorie keto diets (800 to 1,200 calories per day) and very low-calorie keto diets (less than 800 calories per day). According to the 2015-2020 Dietary Guidelines for Americans, the average woman needs between 1,600 and 2,400 calories a day to maintain weight, while men tend to require 2,000 to 3,000 calories daily. Moderately active men should consume between 2,200 and 2,800 calories a day, while moderately active women should consume between 1,800 and 2,200.
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A low-calorie keto diet is 800-1,200 calories per day
The keto diet is a high-fat, low-carb diet that aims to put your body in a state of nutritional ketosis, which increases the production of ketones that can be used as the body's primary energy source. The number of calories you should eat on a keto diet depends on your calorie needs and the phase of the diet.
On a 2,000-calorie-per-day keto diet, you would aim for about 100 calories (25 grams) of carbohydrates, 400 calories (100 grams) of protein, and 1,500 calories (167 grams) of dietary fat. However, some keto diets can accommodate up to 70 grams of carbohydrates per day, although 50 grams or less is a typical maximum intake goal.
It is important to note that following a very high-fat diet may be challenging to maintain. Possible symptoms of extreme carbohydrate restriction include hunger, fatigue, low mood, irritability, constipation, headaches, and brain "fog."
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Frequently asked questions
The number of calories you should eat on a keto diet depends on your gender, activity level, and weight goals. Moderately active men should consume between 2,200 and 2,800 calories a day to maintain their weight, while moderately active women should consume between 1,800 and 2,200. To lose weight, you need to eat fewer calories than you burn.
A low-calorie keto diet typically involves eating between 800 and 1,200 calories per day.
A very low-calorie keto diet involves eating less than 800 calories per day.
The number of calories you need to eat to lose weight will depend on your gender and activity level. According to the 2015-2020 Dietary Guidelines for Americans, the average woman needs between 1,600 and 2,400 calories a day to maintain her weight, while men tend to require 2,000 to 3,000 calories. To lose weight, you would need to eat fewer calories than this.
A typical ketogenic diet aims for about five percent of calories from carbohydrates, 20 percent from protein, and 75 percent from fat. However, the exact percentages may vary depending on the individual's needs and goals.











































