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Insulin-to-Carb Ratio Calculator

Calculate the insulin dose needed for a meal based on your personal insulin-to-carb ratio and the meal's carbohydrate content.

units of insulin needed
⚠️ MEDICAL DISCLAIMER: This calculator is for educational purposes only. Always consult with your healthcare provider before adjusting insulin doses. Individual needs vary.
How to use ICR:

If your ratio is 1:10, you need 1 unit of insulin for every 10 grams of carbohydrates.

Example: 60g carbs ÷ 10 = 6 units

Work with your endocrinologist to determine your personal insulin to carb ratio. It may vary throughout the day (breakfast vs lunch vs dinner).