Cups to Grams Sugar
Fixed granulated sugar density: 198 g per US cup (King Arthur chart).
Limitation: Educational kitchen conversion only.
How to Convert Sugar Cups to Grams
Enter cups of granulated sugar. Packed brown sugar uses a different density—see the general converter.
Enter cup measure from the recipe.
Weigh when it matters
Volume-to-weight charts are averages. For finicky baking, weigh on a kitchen scale.
What 198 g per Cup Assumes
White granulated cane sugar, loosely filled then leveled in a US cup.
Worked Examples
1 cup sugar
Inputs
Result
King Arthur granulated reference.
½ cup sugar
Inputs
Result
198 × 0.5 = 99 g.
Check your cup style
US customary cups differ from metric cups (250 mL). This cluster uses the US legal cup.
Frequently Asked Questions
Still have questions about this calculation?
Try the CalculatorSugar Conversion Formula
Single-ingredient shortcut using chart density.
Formula
Scientific Background
Assumptions follow published kitchen references cited in sources. Results are rounded for display.
Sources & review
Cups to Grams Sugar documents the references behind its formulas and assumptions. Always treat results as educational estimates, not personalized professional advice.
Last reviewed
July 22, 2026
Reference
kingarthurbaking.com
https://www.kingarthurbaking.com/learn/ingredient-weight-chartFree Calculator Hub methodology
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