wikiHow Carbohydrate Calculator A carbohydrate calculator is a tool that can help you estimate the number of carbohydrates in the food you eat based on the serving size. This is useful for people with diabetes who need to monitor their carbohydrate intake as part of their meal planning. To calculate the carbohydrates in a food item, follow these steps: 1. Look at the nutrition label on the food item or search for the nutrition information online. 2. Find the total number of carbohydrates per serving size in grams. 3. Determine the serving size you plan to eat in grams. 4. Multiply the number of carbohydrates per serving by the number of servings you plan to eat. For example, if a serving of pasta has 40 grams of carbohydrates and you plan to eat two servings (80 grams), the total carbohydrates in your meal would be 80 grams x 40 grams/serving = 320 grams of carbohydrates. It's important to note that this is just an estimate and the actual amount of carbohydrates in a food item can vary depending on factors like cooking methods, brand, and serving size. Consulting with a registered dietitian can help provide more accurate calculations and guidance on managing your carbohydrate intake. Page