Sugar Reduction Calculator accuracy and testing

Formula source

• New sugar = original sugar x (1 - reduction percent / 100). Per-serving values divide by servings.

Test cases

Known limitations

• This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
• Use the result as a planning estimate unless the calculator page states a stricter purpose.

Assumptions

• All prices, rates, package sizes, and recipe values are user-entered unless clearly labeled as a general planning default.
• Calculations run locally in your browser and do not store food, nutrition, household, or budget details.
• This is planning math, not nutrition, medical, allergen, or food-safety advice.

Unit handling

• Original Sugar accepts values in g.
• Reduction accepts values in %.
• Servings accepts numeric values.
• New Sugar Amount is displayed in g.
• Sugar Removed is displayed in g.
• Removed per Serving is displayed in g.
• New Sugar per Serving is displayed in g.

Rounding rules

• Number displays use up to 2 decimal places in the calculator UI.
• Input precision follows configured step values where provided.

Version history

Change log