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Calcimator

Diabetes Carb Counter Calculator

Count carbohydrates and calculate insulin bolus doses using the 500 rule (ICR) and 1800 rule (ISF). Includes correction dose for high blood glucose.

Inputs

Results

Total bolus dose (units)

5.5

Carb bolus (units)4.8
Correction bolus (units)0.7
Insulin-to-carb ratio (1:X g)12.5
Insulin sensitivity factor (mg/dL per unit)45
Est. daily carbs (g)180
Daily carb calories (kcal)720
Est. meal glycemic load33
How to Use This Calculator
  1. Enter the total carbohydrates in your planned meal in grams.
  2. Input your Total Daily Dose (TDD) of insulin.
  3. Enter your current blood glucose in mg/dL and your target blood glucose.
  4. Review the suggested insulin-to-carb ratio and correction bolus.
  5. Always confirm dosing decisions with your endocrinologist or diabetes care team.
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