Grams to Cups

400 Grams to Cups

400 grams converts to a different number of cups depending on the ingredient. See how much 400g of flour, sugar, butter, and more equals in cups below.

400 grams of all-purpose flour ≈

3.33 US cups

About 3 ⅓ 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

400g to cups by ingredient

Ingredient Grams per cup 400g in cups Kitchen fraction
All-purpose flour 120g 3.33 cups 3 ⅓ cups
Granulated sugar 198g 2.02 cups 2 cups
Butter 227g 1.76 cups 1 ¾ cups
Water 240g 1.67 cups 1 ⅔ cups
Milk 244g 1.64 cups 1 ⅝ cups
Bread flour 120g 3.33 cups 3 ⅓ cups
Honey 339g 1.18 cups 1 ⅛ cups + 1 tablespoon
Cocoa powder 84g 4.76 cups 4 ¾ cups
Cake flour 120g 3.33 cups 3 ⅓ cups
Maple syrup 315g 1.27 cups 1 ¼ cups
Long-grain white rice (dry) 185g 2.16 cups 2 ⅛ cups + 1 tablespoon
Cornstarch 128g 3.13 cups 3 ⅛ cups
Rolled oats 89g 4.49 cups 4 ½ cups
Vegetable oil (soybean) 218g 1.83 cups 1 ¾ cups + 1 tablespoon
Olive oil 216g 1.85 cups 1 ⅞ cups
Plain whole-milk yogurt 245g 1.63 cups 1 ⅝ cups
Brown sugar (packed) 220g 1.82 cups 1 ¾ cups + 1 tablespoon
Table salt (fine) 288g 1.39 cups 1 ⅓ cups + 1 tablespoon
Powdered sugar 120g 3.33 cups 3 ⅓ cups
Almond flour 96g 4.17 cups 4 ⅛ cups + 1 tablespoon

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.

Frequently asked questions

How many cups is 400 grams of flour?

400 grams of flour is about 3.33 cups, based on 1 US cup of flour = 120g.

How many cups is 400 grams of sugar?

400 grams of sugar is about 2.02 cups, based on 1 US cup of sugar = 198g.

Why does 400g 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 400g 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 400g to cups for an ingredient not listed here?

Yes — open the Grams to Cups calculator, enter 400 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.