JDRF Calculator

Calculate insulin dosages, carbohydrate ratios, and blood glucose corrections for diabetes management.

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About This Tool

The JDRF Calculator is a comprehensive diabetes management tool that helps calculate insulin dosages based on carbohydrate intake, blood glucose levels, and personal insulin sensitivity. It calculates bolus insulin doses by combining carbohydrate coverage and blood glucose correction, helping users manage type 1 diabetes more effectively. The tool includes calculations for insulin-to-carb ratio, correction factor, and active insulin time considerations.

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How to Use

Enter your current blood glucose level in mg/dL
Input your target blood glucose level
Enter the carbohydrates you plan to eat in grams
Provide your insulin-to-carb ratio (grams per unit)
Enter your correction factor (mg/dL per unit)
Optionally add active insulin units if applicable
Click 'Calculate Insulin Dose' to see your recommended bolus insulin dosage
Review the detailed breakdown of carbohydrate coverage and correction dose

Frequently Asked Questions

Find Quick Answers

What is the JDRF Calculator used for?

The JDRF Calculator helps people with diabetes calculate their insulin dosage needs based on carbohydrate intake, current blood glucose levels, and personal insulin sensitivity factors.

How accurate is the insulin dose calculation?

The calculator provides estimates based on standard diabetes management formulas. Always consult with your healthcare provider for personalized medical advice and dosage adjustments.

What is insulin-to-carb ratio?

Insulin-to-carb ratio (ICR) is the number of grams of carbohydrates covered by 1 unit of rapid-acting insulin. For example, a 1:15 ratio means 1 unit covers 15g of carbs.

What is correction factor?

Correction factor (also called insulin sensitivity factor) is the amount blood glucose decreases per unit of insulin. For example, 1:50 means 1 unit lowers blood glucose by 50 mg/dL.

Should I subtract active insulin?

Yes, if you have active insulin from a previous dose, you should subtract it from the calculated dose to avoid insulin stacking and potential hypoglycemia.

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