Tool
Cups to Grams Converter
Convert cup measurements to grams by ingredient.
Kitchen / Recipe Tools
What this tool does
Estimate grams from cups using common ingredient density values.
How to use
- Select an ingredient.
- Enter number of cups.
- View estimated grams.
Formula
grams = cups × ingredient density (g per cup)
Examples
2 cups all-purpose flour
Input: 2 cups flour
Output: ≈ 240 g
Uses ~120 g per cup for all-purpose flour.
Common use cases
- Convert US recipes to metric baking
- Weigh ingredients for accuracy
- Scale baking recipes precisely
FAQ
Why do grams vary by ingredient?
Density differs—flour, sugar, and butter weigh different amounts per cup.
Is this exact?
These are common estimates; sifted vs packed cups can vary.
Can I use metric cups?
Values assume US customary cups (236.588 ml).
Does sifted flour weigh the same?
No. Sifted flour is less dense—packed vs sifted cups can differ by 20% or more.
Source notes
- USDA FoodData Central and King Arthur Baking reference densities.
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Last reviewed: 2026-05-23