Keto — PTN (g)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Keto, PTN (g) calculator helps determine the recommended daily protein intake for a ketogenic diet, based on the formula of 1.2 g per kilogram of body weight. This ratio aims to preserve muscle mass, promote satiety, and support ketosis, a metabolic state where the body burns fat for energy.
To calculate, simply enter your weight in kilograms. The result will be the minimum amount of protein (in grams) you should consume daily to meet the diet's goals. Adjustments may be needed based on metabolism, physical activity, and specific objectives like weight loss or maintenance.
This calculator is ideal for people starting or adjusting a ketogenic diet, or those tracking macronutrient intake. However, it should not replace guidance from a nutritionist, who can tailor the diet to clinical tests and individual needs.
Frequently asked questions
Why is the recommendation 1.2 g/kg of protein?
This average helps maintain muscle mass and satiety during ketosis. It may vary depending on metabolism and goals like weight loss.
Is this calculator suitable for everyone?
No. People with high blood pressure, kidney issues, or other conditions should consult a nutritionist before using it.
Should I adjust protein intake based on physical activity?
Yes. Athletes or active individuals may need 1.5, 2 g/kg to recover from muscle strain.
Can I use this calculator for non-ketogenic diets?
No. It's specific to ketogenic diets. For other diets, consult a nutritionist for personalized values.