Keto Macro Calculator

About this calculator

This calculator estimates daily macronutrient targets for a ketogenic style of eating, starting from a calorie need and splitting it into grams of fat, protein, and carbohydrate using the very high fat, moderate protein, and minimal carbohydrate ratios that define the approach. Fat is converted to calories at a different rate per gram than protein or carbs, so the gram targets aren't a simple even split of the percentages.

People following or considering a ketogenic diet use it to translate a general dietary approach into concrete daily gram targets for meal planning and food tracking, since hitting the carbohydrate limit consistently is central to how this style of eating is meant to work.