Cups to Grams Calculator
Multiplies US cups by King Arthur grams-per-cup for ten common ingredients and shows grams plus equivalent tablespoons.
Limitation: Educational kitchen conversion only.
How to Convert Cups to Grams
Choose an ingredient, enter cups, and read grams. Densities follow King Arthur spooned/leveled cup weights unless noted.
Select the ingredient closest to your recipe.
Weigh when it matters
Volume-to-weight charts are averages. For finicky baking, weigh on a kitchen scale.
What the Gram Result Means
The primary output is total grams. Details show the grams-per-cup assumption and cup-to-tablespoon equivalent.
Worked Examples
1 cup all-purpose flour
Inputs
Result
King Arthur lists 120 g per spooned, leveled US cup of all-purpose flour.
2½ cups granulated sugar
Inputs
Result
198 g/cup × 2.5 = 495 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 CalculatorCups to Grams Formula
Each ingredient has a reference grams-per-cup value. Multiply cups by that density.
Formula
Scientific Background
Assumptions follow published kitchen references cited in sources. Results are rounded for display.
Sources & review
Cups to Grams Calculator 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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See our methodology and corrections policy.