Free Tools & Calculators

Educational calculators for women managing gestational diabetes. Built on ADA Standards of Care 2026 and ACOG guidance.

All tools are educational. Always discuss your numbers and patterns with your healthcare provider.

Glucose Target Zone Checker

Compare a single blood glucose reading against ADA gestational diabetes targets for fasting, 1-hour, and 2-hour postprandial timing.

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A1C ↔ Average Glucose Converter

Convert between A1C percentage and estimated average glucose (eAG) using the ADA-validated regression formula. mg/dL and mmol/L supported.

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Daily Carb Allocator

Distribute a daily carb target across meals and snacks using the GD-friendly pattern: smaller breakfast, moderate meals, ~15g bedtime snack.

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Trimester Carb Need Estimator

Estimates a daily carb range based on week of pregnancy and activity level. Built on ACOG/IOM caloric guidance + the 175g pregnancy DRI floor.

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Bedtime Snack Picker

Pick a bedtime snack composition based on your recent fasting glucose pattern. Three archetypes for the three patterns we see in GD.

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Need personalized meal plans?

Calculators give you the numbers. The full meal planner gives you the meals — built around your trimester, dietary needs, and carb targets.

Start your free meal plan