To calculate the grams of carbohydrate in the foods you eat using carbohydrate factors, you need a scale that gives weights in grams (not pounds and ounces) and a source of carbohydrate factors (either a list, package labels, or the USDA Nutrient Database, www.nal.usda.gov/fnic/foodcomp/search). It also helps to have a calculator. Here’s what to do:
You are having white rice as part of your meal. You put your plate on the scale, set it to zero, and dish up a portion of the cooked rice. Your scale tells you it weighs 250 grams.
From this Carbohydrate Factor Reference List, you find that the carbohydrate factor for white rice is 0.24 (meaning that 24% of the total weight of cooked rice is carbohydrate).
You multiply 250 grams by 0.24 to find the amount of carbohydrate you will be eating: 250 grams of cooked rice x 0.24 = 60 grams of carbohydrate.
Source URL: https://www.diabetesselfmanagement.com/nutrition-exercise/meal-planning/carbohydrate-factors/carbohydrate-factors-at-a-glance/
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