Home > Diabetes > Diabetes-What Are Carbohydrate-Insulin Ratios? Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Oct 25, 2011 by Cmfhp1, Views: 3726 Carbohydrate/Insulin ratio is a way of learning how to dose your mealtime insulin so you can adjust it by what you are eating. You need to see a registered dietitian or certified diabetes educator to learn how to do it. Watch this video for more information.