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Net Carb Calculator

Compare total carbohydrate with a clearly defined fiber and sugar-alcohol subtraction.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: Net carbs are not standardized. The selected subtraction is shown explicitly; sugar alcohols do not all have the same metabolic effect. Educational food-planning arithmetic, not medical advice. Food labels and estimates can vary. Use a clinician or registered dietitian for a personalized plan, especially for children, pregnancy, breastfeeding, medical conditions, or an eating-disorder history.

How to use it (step by step)

  1. 1Copy total carbohydrate, fiber, and sugar alcohols from the same serving on a compatible label.
  2. 2Choose the subtraction method you want to compare.
  3. 3Read the arithmetic result alongside total carbohydrate. It is not a blood-glucose prediction or insulin-dosing tool.

Words to know

Calories / kcal
Food energy. A food-label Calorie means one kilocalorie (kcal).
Macros
Carbohydrate, protein, and fat: three nutrients that provide energy.
Serving
The amount used on a food label. It is not a recommendation for how much to eat.

Diet & Nutrition Tools

Plan portions, understand food labels, and compare your own nutrition numbers. No account or food upload needed.

Macro CalculatorCalorie Deficit CalculatorProtein Intake CalculatorFood Portion Calorie CalculatorRecipe Calorie CalculatorMeal Calorie Split CalculatorNutrition Daily Value CalculatorWeight Loss Percentage CalculatorWeekly Calorie Average CalculatorFiber Intake CalculatorSugar Grams to Teaspoons CalculatorCalorie Calculator (BMR & TDEE)Meal & Food Diary

Sources & methods

References checked November 11, 2026. Read each tool’s scope and assumptions before relying on its result.

More in Health & Fitness

Calorie Deficit CalculatorCompare maintenance calories with a modest calorie reduction, without promising a weight-loss date.Protein Intake CalculatorConvert a protein amount in grams per kilogram into daily grams and an optional per-meal split.Food Portion Calorie CalculatorScale calories and macros from a food label to the portion you actually weighed.Recipe Calorie CalculatorAdd ingredient calories and macros, then divide the recipe into equal portions.Meal Calorie Split CalculatorDivide a daily calorie amount across breakfast, lunch, dinner, and snacks using your own percentages.Nutrition Daily Value CalculatorConvert a nutrient amount into US label % Daily Value for fiber, sodium, added sugar, and more.