The keto diet is a high-fat, low-carb approach to eating that shifts your body's metabolism. Instead of burning carbohydrates for energy, your body will switch to burning fats and ketones. To achieve this effect, you need to change the proportion of your macronutrient intake. The typical keto macros ratio is 70% fats, 5% carbohydrates, and 25% protein. However, the number of calories you should consume on a keto diet depends on your calorie consumption and physical activity level.
If you're trying to lose weight, you'll need to burn more energy than you're consuming each day. According to U.S. Dietary Guidelines, 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'll need to consume fewer calories than you're eating. For healthy and sustainable weight loss, experts recommend cutting out 500 calories a day from your current diet to lose about a pound a week.
Characteristics | Values |
---|---|
Carbohydrate intake | 5% or less of total calories, or 20-50g net carbs per day |
Calorie intake | Depends on age, height, weight, activity level, and whether the goal is to lose, gain, or maintain weight |
Protein intake | 20-30% of total calories, or 0.8-1.2g/lb of lean body mass |
Fat intake | 70-80% of total calories |
What You'll Learn
Calorie intake depends on your body's needs
Once you know your BMR, the next step is to consider your physical activity level. If you lead a sedentary lifestyle with little to no exercise, your calorie needs will be lower compared to someone with an active lifestyle that includes regular exercise or physical labour. Adjusting your calorie intake based on your activity level ensures that you're taking in enough energy to support your daily activities.
Additionally, your calorie goal may vary depending on whether you want to maintain, lose, or gain weight. To maintain your weight, you should aim for a calorie intake that matches your body's energy expenditure. To lose weight, you need to create a calorie deficit by consuming fewer calories than you burn. This usually involves reducing your current calorie intake by a certain amount, such as 500 calories per day, to promote gradual weight loss. On the other hand, if your goal is to gain weight, you would need to consume more calories than you burn, creating a calorie surplus.
It's important to note that the keto diet itself doesn't require calorie counting. Instead, it focuses on restricting carbohydrate intake and increasing healthy fats and protein. However, if weight loss is your goal, monitoring your calorie intake becomes crucial. This is because, even on a keto diet, you need to ensure you're burning more energy than you're consuming to achieve a calorie deficit.
While the keto diet may boost your rate of calorie burning, individual results may vary. Therefore, it's recommended to aim for a daily calorie intake within a healthy range, taking into account your specific circumstances. For example, the U.S. Dietary Guidelines suggest that moderately active men should consume 2,200 to 2,800 calories per day, while moderately active women should aim for 1,800 to 2,200 calories. These ranges can be adjusted based on your activity level and weight goals.
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Calorie deficit or surplus to lose or gain weight
The keto diet is a high-fat, low-carb diet. It involves replacing starchy foods and sugary cereals with avocados, butter, and fatty cuts of meat. The keto diet does not require calorie counting, but it does require keeping track of your carbohydrate intake. However, calories do matter if you want to lose weight.
Calorie Deficit to Lose Weight
If you want to lose weight, you need to consume less than you are eating. For healthy and sustainable weight loss, experts recommend cutting out 500 calories a day from your current diet to lose about a pound a week. To lose weight, you can move the calorie bar between 0 and -50 (calorie deficit). Staying within 10-20% will result in moderate weight loss.
Calorie Surplus to Gain Weight
If you want to gain weight, you can move the calorie bar between 0 and +50 (calorie surplus). Staying within 10-20% will result in moderate weight gain.
Keto Calculators
There are keto calculators available online that can help you determine your calorie intake goal. These calculators take into account factors such as your gender, age, height, weight, and activity level to determine your basal metabolic rate (BMR) and total daily energy expenditure (TDEE). Based on this information, the calculator can recommend a calorie intake goal to help you lose, gain, or maintain your weight.
Macronutrient Breakdown
In addition to calories, it is important to consider your macronutrient breakdown on the keto diet. The standard keto diet consists of 70-75% fats, 5% carbohydrates, and 20-25% protein.
Physical Activity
While physical activity is important for your health and well-being, it is not necessary for weight loss on the keto diet. Many people have found weight loss success without any physical activity by controlling their calorie intake and taking advantage of the satiating effects of keto-friendly foods.
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Calories burned by physical activity
Running is the best workout for burning calories. The faster and longer you run, the more calories you will burn. If you don't have time for a long run, you can try high-intensity sprints or high-intensity interval training (HIIT). HIIT involves short bursts of exercise at more than 70% of your aerobic capacity, and your body will continue to burn calories for up to 24 hours after a HIIT workout. Other exercises that burn a lot of calories include jumping rope, swimming, and stationary bicycling.
If you want to know the exact number of calories burned during a workout, you can work with a personal trainer or use a calories-burned calculator.
In addition to cardio, it's important to incorporate weight training or strength training into your fitness regimen. While cardio typically burns more calories in a single session, weight training increases muscle mass, which burns more calories than fat. The more muscle you have, the more calories you will burn at rest.
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Calories from protein, carbs, and fat
The keto diet is a high-fat, low-carb diet. It involves getting 75% of your calories from fat, 20% from protein, and 5% from carbs. This means limiting your carb intake to 20-50 grams of net carbs per day. Net carbs are calculated by subtracting the number of fibre and sugar alcohol grams from the total number of carb grams.
On a standard diet, most people consume approximately 50-55% carbohydrates, 20-25% protein, and 20-25% fat. In contrast, the keto diet drastically reduces carbohydrate intake and increases fat intake. This shift in macronutrient distribution is intended to put the body into a state of ketosis, where it burns fat instead of carbohydrates for energy.
The number of calories you should consume on the keto diet depends on various factors, including your physical activity level, age, height, weight, and metabolism. Moderately active men should consume between 2,200 and 2,800 calories per day, while moderately active women should consume between 1,800 and 2,200. Sedentary individuals should aim for fewer calories, while very active people can consume more.
To calculate your macronutrient intake on the keto diet, you can use the following equations:
- For carbs: Calories per day x percentage of calories from carbs / Number of calories per gram in carbohydrates = Grams of carbs per day
- For protein: Calories per day x percentage of calories from protein / Number of calories per gram in protein = Grams of protein per day
- For fat: Calories per day x percentage of calories from fat / Number of calories per gram in fat = Grams of fat per day
For example, on a 1,600-calorie keto diet with 10% carbs, 20% protein, and 70% fat, you would consume 40 grams of carbs, 80 grams of protein, and 125 grams of fat per day.
It is important to note that there are different variations of the keto diet, such as the standard keto diet, high-protein keto, cyclical keto, and lazy keto. These variations may have different macronutrient distributions and are tailored to specific goals and needs.
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Calories and weight loss
Calorie intake is a crucial aspect of the keto diet, and understanding how it works is essential for achieving your weight loss goals. While the keto diet primarily focuses on shifting the body's metabolism from burning carbohydrates to burning fats and ketones, calorie management plays a significant role in this process.
Firstly, it's important to understand that the keto diet doesn't require counting calories in the traditional sense. Instead, the focus is on tracking carbohydrate intake and limiting net carbs. Net carbs are calculated by subtracting fibre and sugar alcohols from the total carbohydrate intake. This typically translates to 20 to 50 grams of net carbs per day, or about 5% of your daily calorie intake.
However, this doesn't mean that calories don't matter at all. To lose weight, you need to ensure you're burning more energy than you're consuming. The number of calories you need can vary depending on your physical activity level, age, height, weight, and metabolism. As a general guideline, moderately active men should aim for 2,200 to 2,800 calories per day, while moderately active women should aim for 1,800 to 2,200. These values can be adjusted based on your specific activity level and weight goals.
To determine your ideal calorie intake, you can use a keto calculator. These calculators take into account factors such as your gender, height, weight, age, and activity level to estimate your basal metabolic rate (BMR) and total daily energy expenditure (TDEE). You can then adjust your calorie intake based on whether you want to maintain, lose, or gain weight.
For weight loss, a safe and sustainable approach is to aim for a calorie deficit by reducing your current calorie intake by 500 calories per day, which can result in losing about a pound a week. This can be achieved by making adjustments to your macronutrient ratios, such as increasing your protein intake, which helps with satiety and energy expenditure, and reducing your carbohydrate intake.
It's worth noting that the keto diet itself can help with calorie management. By focusing on high-fat, moderate-protein, and low-carb foods, it becomes easier to stay within a healthy calorie range. Additionally, keto-approved foods tend to be more satiating, so you're likely to feel fuller on fewer calories.
In conclusion, while the keto diet emphasises the importance of shifting your body's metabolism, it's crucial to understand that calorie management is still an essential component of weight loss. By using tools like keto calculators and making informed adjustments to your macronutrient ratios, you can effectively manage your calorie intake and work towards achieving your weight loss goals.
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Frequently asked questions
No, the keto diet does not require counting calories. Instead, it focuses on tracking and limiting carbohydrate intake to a certain percentage of daily calorie intake. However, calories still matter for weight loss, and it may be beneficial to pay closer attention to daily calorie consumption if you are not losing weight as desired.
Your calorie goal on keto depends on various factors, including your age, gender, height, weight, and activity level. You can use a keto calculator to determine your basal metabolic rate (BMR) and total daily energy expenditure (TDEE). From there, you can adjust your calorie intake based on whether you want to maintain, lose, or gain weight.
For healthy and sustainable weight loss, experts generally recommend a calorie deficit of 500 calories per day, which can result in losing about one pound per week.
According to U.S. Dietary Guidelines, moderately active men should consume between 2,200 and 2,800 calories per day to maintain their weight, while moderately active women should consume between 1,800 and 2,200 calories. Sedentary individuals should aim for fewer calories, while very active people can consume more.
The standard keto diet typically consists of 70-75% fats, 5% carbohydrates, and 20-25% protein. This means that if you're consuming 2,000 calories per day, your intake would be around 156-178 grams of fat, 25 grams or less of carbohydrates, and 100-150 grams of protein.