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Diabetes & Blood Sugar

Carb-to-Insulin Ratio

Calculate how many grams of carbohydrates are covered by one unit of insulin using the 500 rule.

Carb-to-Insulin Ratio Calculator

Uses the 500 Rule to estimate how many grams of carbs 1 unit of rapid-acting insulin covers.

Include all basal + bolus insulin units taken daily

⚕️ Medical Disclaimer: This tool provides general health information for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional before making health decisions.

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Frequently Asked Questions

Common questions about the Carb-to-Insulin Ratio

The Carb-to-Insulin Ratio is a free online tool that calculate how many grams of carbohydrates are covered by one unit of insulin using the 500 rule. It is designed to provide quick, easy-to-understand results for anyone interested in monitoring or improving their health and wellbeing.

The Carb-to-Insulin Ratio uses established health and medical formulas based on peer-reviewed research. Results are estimates intended for educational and informational purposes. Individual variation means that actual values may differ. For clinical decisions, always consult a qualified healthcare professional.

Yes, the Carb-to-Insulin Ratio on MyVitalsHub is completely free to use. There is no subscription, no account registration, and no hidden fees. All 100+ tools on MyVitalsHub are free and accessible to everyone.

No. MyVitalsHub is designed with a privacy-first approach. The Carb-to-Insulin Ratio runs entirely in your browser and does not transmit, store, or share any of the personal information you enter. Your data stays on your device.