Educational only. Not a substitute for your clinician's instructions. Always confirm doses with your care team.
Blood sugar
Insulin dose calculatorCalculate your meal and correction dose in seconds
This calculator estimates a meal dose and a correction dose of rapid-acting insulin from your carb ratio, correction factor, and blood sugar readings, then combines them into one suggested total dose.
What you will learn
- Meal Dose — How many units cover the carbs you're about to eat, based on your insulin-to-carb ratio.
- Correction Dose — How many extra units bring a high blood sugar back down to your personal target.
- Total Suggested Dose — Your meal and correction doses combined into one number to review before dosing.
- What To Do Next — See guidance on your dose size and where to go if you want to talk it through further.
Enter your details
Correction dose
mg/dL
mg/dL
mg/dL/u
Meal dose
g
g/u
Educational only. Not a substitute for your clinician's instructions. Always confirm doses with your care team.
Blood sugar
Insulin dose calculatorCalculate your meal and correction dose in seconds
This calculator estimates a meal dose and a correction dose of rapid-acting insulin from your carb ratio, correction factor, and blood sugar readings, then combines them into one suggested total dose.
What you will learn
- Meal Dose — How many units cover the carbs you're about to eat, based on your insulin-to-carb ratio.
- Correction Dose — How many extra units bring a high blood sugar back down to your personal target.
- Total Suggested Dose — Your meal and correction doses combined into one number to review before dosing.
- What To Do Next — See guidance on your dose size and where to go if you want to talk it through further.
Enter your details
Correction dose
mg/dL
mg/dL
mg/dL/u
Meal dose
g
g/u