300 Grams to Cups
300 grams converts to a different number of cups depending on the ingredient. See how much 300g of flour, sugar, butter, and more equals in cups below.
300 grams of all-purpose flour ≈
2.50 US cups
About 2 ½ cups
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
300g to cups by ingredient
| Ingredient | Grams per cup | 300g in cups | Kitchen fraction |
|---|---|---|---|
| All-purpose flour | 120g | 2.50 cups | 2 ½ cups |
| Granulated sugar | 198g | 1.52 cups | 1 ½ cups |
| Butter | 227g | 1.32 cups | 1 ¼ cups + 1 tablespoon |
| Water | 240g | 1.25 cups | 1 ¼ cups |
| Milk | 244g | 1.23 cups | 1 ¼ cups |
| Bread flour | 120g | 2.50 cups | 2 ½ cups |
| Honey | 339g | 0.88 cups | ⅞ cup |
| Cocoa powder | 84g | 3.57 cups | 3 ½ cups + 1 tablespoon |
| Cake flour | 120g | 2.50 cups | 2 ½ cups |
| Maple syrup | 315g | 0.95 cups | ⅞ cup + 1 tablespoon |
| Long-grain white rice (dry) | 185g | 1.62 cups | 1 ⅝ cups |
| Cornstarch | 128g | 2.34 cups | 2 ⅓ cups |
| Rolled oats | 89g | 3.37 cups | 3 ⅜ cups |
| Vegetable oil (soybean) | 218g | 1.38 cups | 1 ⅜ cups |
| Olive oil | 216g | 1.39 cups | 1 ⅓ cups + 1 tablespoon |
| Plain whole-milk yogurt | 245g | 1.22 cups | 1 ¼ cups |
| Brown sugar (packed) | 220g | 1.36 cups | 1 ⅜ cups |
| Table salt (fine) | 288g | 1.04 cups | 1 cup + 1 tablespoon |
| Powdered sugar | 120g | 2.50 cups | 2 ½ cups |
| Almond flour | 96g | 3.13 cups | 3 ⅛ cups |
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.
Frequently asked questions
How many cups is 300 grams of flour?
300 grams of flour is about 2.50 cups, based on 1 US cup of flour = 120g.
How many cups is 300 grams of sugar?
300 grams of sugar is about 1.52 cups, based on 1 US cup of sugar = 198g.
Why does 300g 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 300g 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 300g to cups for an ingredient not listed here?
Yes — open the Grams to Cups calculator, enter 300 grams, and choose any ingredient in our database to get the conversion.
Need a different amount?
Open the calculator to enter any gram amount, or browse the grams to cups chart and all ingredients.