Bread Unit (BU) Calculator

Enter the carbohydrate content per 100 g of a food and the total weight of the portion — the calculator will work out how many bread units it contains. The calculation is based on the definition of 1 BU described on the "Bread Unit" page.
How many grams of carbohydrate count as 1 bread unit
Bread
Unit
Illustration for the bread unit calculator
This calculator is for informational purposes only and does not replace the advice of a doctor or dietitian regarding nutrition.