Grams to Cups

120 Grams to Cups

120 grams converts to a different number of cups depending on the ingredient. See how much 120g of flour, sugar, butter, and more equals in cups below.

120 grams of all-purpose flour ≈

1US cup

About 1 cup

Based on 1 US cup of all-purpose flour = 120g

Sources: King Arthur Baking — Ingredient Weight Chart · USDA FoodData Central — Wheat flour, white, all-purpose, enriched, bleached (FDC 168894)

Data last verified: July 18, 2026

120g to cups by ingredient

IngredientGrams per cup120g in cupsKitchen fraction
All-purpose flour120g1 cups1 cup
Granulated sugar198g0.61 cups⅝ cup
Butter227g0.53 cups½ cup
Water240g0.50 cups½ cup
Milk244g0.49 cups½ cup
Bread flour120g1 cups1 cup
Honey339g0.35 cups⅓ cup
Cocoa powder84g1.43 cups1 ⅜ cups + 1 tablespoon
Cake flour120g1 cups1 cup
Maple syrup315g0.38 cups⅜ cup
Long-grain white rice (dry)185g0.65 cups⅔ cup
Cornstarch128g0.94 cups⅞ cup + 1 tablespoon
Rolled oats89g1.35 cups1 ⅓ cups
Vegetable oil (soybean)218g0.55 cups½ cup + 1 tablespoon
Olive oil216g0.56 cups½ cup + 1 tablespoon
Plain whole-milk yogurt245g0.49 cups½ cup
Brown sugar (packed)220g0.55 cups½ cup + 1 tablespoon
Table salt (fine)288g0.42 cups⅜ cup + 1 tablespoon
Powdered sugar120g1 cups1 cup
Almond flour96g1.25 cups1 ¼ cups

Reference data from our ingredient database

This table uses the US cup / 240 ml

If your recipe uses a metric or US customary cup, the result will differ slightly — switch cup sizes and enter any gram amount in the calculator.

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Frequently asked questions

How many cups is 120 grams of flour?

120 grams of flour is about 1 cups, based on 1 US cup of flour = 120g.

How many cups is 120 grams of sugar?

120 grams of sugar is about 0.61 cups, based on 1 US cup of sugar = 198g.

Why does 120g convert to a different number of cups for each ingredient?

Grams measure weight and cups measure volume, so the result depends on how dense each ingredient is. That's why 120g of flour, sugar, and butter each equal a different number of cups — see the full table above for every ingredient.

Which cup size does this page use?

This table uses the US cup / 240 ml. If your recipe uses a metric or US customary cup, the result will differ slightly — switch cup sizes and enter any gram amount in the calculator.

Can I convert 120g to cups for an ingredient not listed here?

Yes — open the Grams to Cups calculator, enter 120 grams, and choose any ingredient in our database for an exact result.

Need a different amount?

Open the calculator to enter any gram amount, or browse the grams to cups chart and all ingredients.