Free Sugar Tools
A1C Calculator
Use this free A1C calculator to convert A1C percentage to estimated average glucose, or glucose to A1C in mg/dL and mmol/L.
Open tool → CalculatorBanana Carb and Sugar Calculator
Find how many carbs are in a banana by size, quantity and ripeness, with sugar, fibre, calories and net carbs.
Open tool → ReferenceBlood Sugar Level Chart
Use this blood sugar level chart to see the published range for fasting, post-meal, random or A1C readings.
Open tool → ConverterBlood Sugar Unit Converter
Convert blood sugar from mg/dL to mmol/L and back. Get a clear glucose-specific result and common reading reference table.
Open tool → CalculatorDaily Sugar Limit Calculator
Find out how much added sugar you should have a day using your age, sex and daily calories.
Open tool → ConverterSugar Cube Grams Calculator
Find how many grams of sugar are in a sugar cube. Enter cube count and grams per cube for a total and optional teaspoons equivalent.
Open tool → ConverterSugar Grams to Teaspoons Converter
How many grams is a teaspoon of sugar? 4.2 g for granulated white — labels round it to 4 g. Convert both ways and check the AHA daily added-sugar limit.
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