Keto Calculator

Measurement Units

Weight (in kg)

Height (in cm)



Activity Multipliers

Keto Types


2,189 kcal/day


28 gm/day


146 gm/day


313 gm/day

Total Gram

487 gm/day

What is a Keto Calculator?

A keto calculator is an online tool that helps individuals following a ketogenic diet to determine their daily macronutrient needs, including the amount of carbohydrates, protein, and fat they should consume in order to maintain ketosis.

How to Use the Keto Calculator Tool?

To use a Keto Calculator, follow these simple steps:

  1. Enter your weight in kilograms.
  2. Enter your height in centimeters.
  3. Enter your age.
  4. Select your gender.
  5. Select your activity level using the multipliers provided. The options are sedentary, lightly active, moderately active, very active, and extra active.
  6. Select your preferred keto type: Ketogenic, moderate, liberal.
  7. Click on the "Calculate" button to get your personalized keto macronutrient recommendations.

The tool will then provide you with the recommended daily calorie intake, as well as the optimal macronutrient ratio (fat, protein, and carbohydrates) based on your inputs. This information can be helpful for individuals who are following a ketogenic diet or looking to start one.

Table showing the activity multipliers and keto types for the Keto Calculator Tool

Activity Level Multiplier
Sedentary (little or no exercise) 1.2
Lightly Active (light exercise or sports 1-3 days/week) 1.375
Moderately Active (moderate exercise or sports 3-5 days/week) 1.55
Very Active (hard exercise or sports 6-7 days/week) 1.725
Super Active (very hard exercise or sports, physical job or training twice a day) 1.9
Keto Type Macronutrient Ratio
Standard Keto 75% Fat, 20% Protein, 5% Carbs
Targeted Keto 65-70% Fat, 20-25% Protein, 5-10% Carbs (with targeted carb intake before or after exercise)
Cyclical Keto 5-6 days of Standard Keto followed by 1-2 days of high carb intake

Formula to Calculate Keto Macros

To calculate keto macros, follow these steps

Step One: Calculate Calorie Intake
TDEE = BMR × activity factor

Step Two: Calculate Macro Breakdown
For a keto-based diet:
5% of calories from carbohydrates
25% from protein
70% from fat

Step Three: Calculate Daily Macro Needs
Convert calories of each macronutrient to grams:
Fat: 9 kcal/g
Carbohydrate: 4 kcal/g
Protein: 4 kcal/g

Example Calculation:
TDEE = 2,063 calories
5% of 2,063 = 103 calories from carbohydrates = 26 grams
25% of 2,063 = 516 calories from protein = 129 grams
70% of 2,063 = 1,444 calories from fat = 160 grams
Note: The keto diet is not suitable for everyone and it is best to consult with a healthcare provider before starting this diet.

How to Calculate Keto Macros For Weight Loss

To calculate keto macros for weight loss, follow these steps:

  1. Determine your daily calorie needs: Use a TDEE (Total Daily Energy Expenditure) calculator to determine your daily calorie needs based on your age, gender, height, weight, and activity level.

  2. Set your macronutrient ratios: For a standard ketogenic diet, aim for approximately 5% of calories from carbohydrates, 25% from protein, and 70% from fat. Adjust the ratios based on your individual needs and preferences.

  3. Calculate your macronutrient needs: Use the following formula to calculate your daily macronutrient needs in grams:
    Carbohydrates: Daily calories x 0.05 / 4
    Protein: Daily calories x 0.25 / 4
    Fat: Daily calories x 0.70 / 9

    For example, if your daily calorie needs are 1,800 calories, your macronutrient needs would be:
    Carbohydrates: 22.5 grams (1,800 x 0.05 / 4)
    Protein: 112.5 grams (1,800 x 0.25 / 4)
    Fat: 140 grams (1,800 x 0.70 / 9)

  4. Track your macros: Use a food tracking app or journal to track your daily intake of carbohydrates, protein, and fat to ensure that you are meeting your macros and staying within your calorie limit.

It's important to note that everyone's body is different, so it may take some trial and error to find the right macronutrient ratios that work for you. It's also important to consult with a healthcare professional before starting a new diet or exercise program.

Benefits of Using the Keto Calculator Tool

  • Personalized macronutrient recommendations based on your individual needs and goals
  • Ability to optimize your ketogenic diet for weight loss, athletic performance, or other health goals
  • Greater likelihood of achieving and maintaining ketosis by accurately tracking your macronutrient intake

Common Misconceptions About Keto Calculator

  • Keto calculators are only useful for weight loss: While ketogenic diets are often used for weight loss, the macronutrient recommendations provided by keto calculators can also be tailored to support athletic performance or other health goals.

  • Keto calculators are not accurate: While keto calculators are not perfect, they are based on established formulas and can provide a good starting point for determining your daily macronutrient needs.

  • You only need to calculate your macronutrient needs once: Your macronutrient needs may change over time as your weight, physical activity, and health goals change, so it is important to recalculate your needs periodically.

Frequently Asked Questions

What is a ketosis?

Ketosis is a metabolic state in which the body burns stored fat for fuel instead of carbohydrates. Normally, the body relies on carbohydrates, which are broken down into glucose, as its primary source of energy. However, when the body is deprived of carbohydrates, such as during a low-carbohydrate diet like the ketogenic diet or during fasting, it begins to break down stored fat into molecules called ketones to use as energy instead. This metabolic process is called ketosis. The ketogenic diet is designed to induce a state of ketosis in the body to promote weight loss and other health benefits.

Is a keto calculator accurate?

A keto calculator can provide a useful estimate of macronutrient needs, but it is not always 100% accurate. Factors such as individual metabolism and physical activity level can vary, and may require adjustments to the recommended macronutrient intake.

How often should I use a keto calculator?

It is recommended to use a keto calculator to determine your macronutrient needs when starting a ketogenic diet, and then re-calculate periodically as weight and activity level changes.

Can I use a keto calculator if I have a medical condition?

It is always important to consult with a healthcare provider before starting a new diet or exercise program, especially if you have a medical condition. A healthcare provider can help determine if a ketogenic diet is appropriate for you and can provide guidance on appropriate macronutrient intake.

What if I don't reach my daily macronutrient goals?

It is important to make an effort to reach daily macronutrient goals as closely as possible, but it is also important to listen to your body and adjust intake as needed. Consistently falling short of macronutrient goals can impact weight loss and energy levels.

What is Keto Flu?

Keto flu is a set of symptoms experienced by some people when they start a ketogenic diet. It usually occurs during the first week of starting the diet and can last up to two weeks. Symptoms may include fatigue, headaches, nausea, dizziness, and irritability. These symptoms occur as the body adapts to using ketones as its primary source of fuel instead of glucose. Drinking plenty of water, increasing salt intake, and gradually reducing carbohydrate intake may help alleviate symptoms.

What are low carb foods?

Low carb foods are those that contain a relatively small amount of carbohydrates. Examples include non-starchy vegetables such as leafy greens, broccoli, cauliflower, and zucchini, as well as meats, fish, eggs, and dairy products. High-carb foods such as bread, pasta, rice, and sugary snacks are avoided on a low-carb diet.

What are the Health Benefits of Counting Macros for a Ketogenic Diet?

Counting macros, or macronutrients (protein, fat, and carbohydrates), can help ensure that you are consuming the appropriate amounts of each nutrient for your individual needs. When following a ketogenic diet, counting macros can be particularly important as the diet requires specific ratios of macronutrients. Benefits of counting macros for a ketogenic diet may include weight loss, improved blood sugar control, increased energy, and reduced inflammation.

How can the ketogenic diet help manage type 2 diabetes?

The ketogenic diet has been shown to have potential benefits for individuals with type 2 diabetes. This is because the diet restricts carbohydrate intake, which can help regulate blood sugar levels. Additionally, the high-fat, moderate-protein nature of the diet can help improve insulin sensitivity. However, individuals with type 2 diabetes should consult with their healthcare provider before starting a ketogenic diet.

Can I use a keto calculator for weight gain?

Yes, a keto calculator can be used to determine macronutrient needs for weight gain by adjusting the recommended calorie intake to be in a surplus.

Can I use a keto calculator for weight loss?

Yes, a keto calculator can be used to determine macronutrient needs for weight loss by adjusting the recommended calorie intake to be in a deficit.

What are the potential risks associated with following a ketogenic diet?

While the ketogenic diet can have numerous health benefits, it may not be appropriate for everyone. Potential risks associated with the diet include nutrient deficiencies, constipation, and kidney stones. Additionally, the high-fat nature of the diet may be difficult to sustain long-term and may increase the risk of heart disease in some individuals. It is important to consult with a healthcare provider before starting a ketogenic diet.