69 free, evidence-based diabetes tools. Pick a calculator below — each one runs in your browser, no account needed.
Count carbs across a multi-item meal.
Open →Daily fiber target and how to hit it.
Open →Effect of a food's GI on your post-meal curve.
Open →GL of a food = GI × carbs ÷ 100.
Open →Quick GI lookup for Indian dishes.
Open →Predict the post-meal glucose peak.
Open →Total carbs minus fiber and sugar alcohols.
Open →Convert serving size to grams of carbs.
Open →Why high-fat meals spike BG later.
Open →GI of a multi-ingredient home recipe.
Open →Convert hidden sugar into teaspoons.
Open →Total daily insulin split into basal and bolus.
Open →How much one unit of insulin lowers glucose.
Open →Why timing your bolus matters for the spike.
Open →How to adjust insulin based on patterns.
Open →Calculate your ISF (correction factor).
Open →Risk of stacking corrections too close together.
Open →Units of bolus insulin per gram of carb.
Open →Glucose impact of a missed insulin or pill dose.
Open →Estimate total daily insulin from weight.
Open →Daily/weekly average glucose from a few spot checks.
Open →At-a-glance CGM summary — TIR, GMI, CV, mean.
Open →How stable your glucose patterns are day-to-day.
Open →Estimate HbA1c from average glucose data.
Open →Compare fasting and post-meal glucose patterns.
Open →Coefficient of variation of CGM data.
Open →How long your HbA1c takes to reflect new habits.
Open →Translate HbA1c into average glucose.
Open →Plan a glucose review with your care team.
Open →Percentage of day spent in 70–180 mg/dL.
Open →Composite long-term complication risk.
Open →10-year cardiovascular risk for people with diabetes.
Open →Emotional burden of daily diabetes management.
Open →Kidney filtration rate from creatinine and demographics.
Open →Safety risk of intermittent or extended fasting.
Open →Diabetic foot ulcer and complication risk score.
Open →Risk of severe lows in next 12 months.
Open →Risk of developing type 2 diabetes.
Open →IDF-DAR risk score for Ramadan fasting.
Open →Likelihood of T2 remission with intervention.
Open →Body mass index — global standard.
Open →Calories burned at rest.
Open →Body fat % from waist, height, and age.
Open →Total daily energy expenditure based on activity.
Open →Healthy weight range for your height and frame.
Open →Calories burned from daily step count.
Open →How drinks affect glucose, insulin needs, and overnight lows.
Open →Estimate glucose drop from a workout.
Open →Effect of dehydration on blood glucose.
Open →Tighter glucose targets during pregnancy.
Open →Risk from too much sitting time per day.
Open →Adjust insulin and meals around shift work.
Open →Glucose impact of common illnesses.
Open →Effect of sleep duration and quality on control.
Open →Effect of stress hormones on blood glucose.
Open →Adjust basal/bolus across time zones.
Open →Effect of a walk on the post-meal spike.
Open →Yearly out-of-pocket cost for diabetes care, supplies, and meds.
Open →Real cost per glucose reading or sensor wear.
Open →Insurance vs out-of-pocket cost comparison.
Open →Likely eligibility for newer diabetes medications.
Open →Total monthly cost of diabetes care.
Open →Long-term cost of skipping medications.
Open →Reset plan after a hard glucose day.
Open →Time and cost burden for caregivers.
Open →Likelihood of T1, T2, or LADA based on profile.
Open →Generate a one-page emergency action plan.
Open →How often hyperglycemia happens, normalised.
Open →How often hypos happen, normalised.
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