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 ≈

3.33US 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

IngredientGrams per cup400g in cupsKitchen fraction
All-purpose flour120g3.33 cups3 ⅓ cups
Granulated sugar198g2.02 cups2 cups
Butter227g1.76 cups1 ¾ cups
Water240g1.67 cups1 ⅔ cups
Milk244g1.64 cups1 ⅝ cups
Bread flour120g3.33 cups3 ⅓ cups
Honey339g1.18 cups1 ⅛ cups + 1 tablespoon
Cocoa powder84g4.76 cups4 ¾ cups
Cake flour120g3.33 cups3 ⅓ cups
Maple syrup315g1.27 cups1 ¼ cups
Long-grain white rice (dry)185g2.16 cups2 ⅛ cups + 1 tablespoon
Cornstarch128g3.13 cups3 ⅛ cups
Rolled oats89g4.49 cups4 ½ cups
Vegetable oil (soybean)218g1.83 cups1 ¾ cups + 1 tablespoon
Olive oil216g1.85 cups1 ⅞ cups
Plain whole-milk yogurt245g1.63 cups1 ⅝ cups
Brown sugar (packed)220g1.82 cups1 ¾ cups + 1 tablespoon
Table salt (fine)288g1.39 cups1 ⅓ cups + 1 tablespoon
Powdered sugar120g3.33 cups3 ⅓ cups
Almond flour96g4.17 cups4 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 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.