420 Grams to Cups Conversion Chart
Convert 420 grams to cups for flour, sugar, butter, oats, and 25+ ingredients. Exact fractions, decimals, tablespoon equivalents, and culinary guidance.
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420 grams of All-Purpose Flour equals approximately 3 1/2 cups (US Legal Cup (Nutrition)).
How Many Cups is 420 Grams?
Converting 420 grams to cups depends on the ingredient because bulk density varies widely across kitchen staples:
420g in Cups Across Common Ingredients
See how much cup volume 420 grams takes up depending on ingredient density. Click any ingredient for its dedicated page.
| Item / Measurement | Weight | Cups (US Standard) | Tablespoons | Teaspoons |
|---|---|---|---|---|
| All-Purpose Flour | 420g | 3 1/2 (3.50 cups) | 56.0 tbsp | 168.0 tsp |
| Granulated White Sugar | 420g | 2 1/8 (2.10 cups) | 33.6 tbsp | 100.8 tsp |
| Butter (Unsalted or Salted) | 420g | 1 7/8 (1.85 cups) | 29.6 tbsp | 88.8 tsp |
| Brown Sugar (Light or Dark) | 420g | 1 7/8 (1.91 cups) | 30.5 tbsp | 91.6 tsp |
| Powdered Sugar (Confectioners) | 420g | 3 1/2 (3.50 cups) | 56.0 tbsp | 168.0 tsp |
| White Rice (Long or Medium Grain, Uncooked) | 420g | 2 1/4 (2.27 cups) | 36.3 tbsp | 109.0 tsp |
| Rolled Oats (Old Fashioned) | 420g | 4 2/3 (4.67 cups) | 74.7 tbsp | 224.0 tsp |
| Cocoa Powder (Unsweetened / Dutch Process) | 420g | 4.94 (4.94 cups) | 79.1 tbsp | 237.2 tsp |
| Honey (Pure Liquid) | 420g | 1 1/4 (1.24 cups) | 19.8 tbsp | 59.3 tsp |
| Whole Milk (Cow) | 420g | 1 3/4 (1.71 cups) | 27.4 tbsp | 82.3 tsp |
| Water (Pure) | 420g | 1 3/4 (1.75 cups) | 28.0 tbsp | 84.0 tsp |
| Peanut Butter (Smooth / Creamy) | 420g | 1 2/3 (1.68 cups) | 26.9 tbsp | 80.6 tsp |
| Plain Yogurt (Regular) | 420g | 1 3/4 (1.71 cups) | 27.4 tbsp | 82.3 tsp |
| Greek Yogurt (Strained) | 420g | 1 1/2 (1.47 cups) | 23.6 tbsp | 70.7 tsp |
| Bread Flour (High Protein) | 420g | 3 1/3 (3.31 cups) | 52.9 tbsp | 158.7 tsp |
| Almond Flour (Blanched Superfine) | 420g | 4 3/8 (4.38 cups) | 70.0 tbsp | 210.0 tsp |
| Cake Flour (Low Protein / Chlorinated) | 420g | 3 2/3 (3.68 cups) | 58.9 tbsp | 176.8 tsp |
| Whole Wheat Flour | 420g | 3 1/2 (3.50 cups) | 56.0 tbsp | 168.0 tsp |
| Cream Cheese (Block Style) | 420g | 1 7/8 (1.87 cups) | 29.9 tbsp | 89.6 tsp |
| Chocolate Chips (Semi-Sweet Regular) | 420g | 2 1/2 (2.47 cups) | 39.5 tbsp | 118.6 tsp |
| Heavy Cream / Heavy Whipping Cream | 420g | 1 3/4 (1.76 cups) | 28.2 tbsp | 84.7 tsp |
| Olive Oil (Extra Virgin) | 420g | 1.94 (1.94 cups) | 31.1 tbsp | 93.3 tsp |
| Sourdough Starter (100% Hydration) | 420g | 1 3/4 (1.75 cups) | 28.0 tbsp | 84.0 tsp |
Nearby Gram Weights
Need a slightly different weight? Check these related conversion amounts:
Frequently Asked Questions
How many cups is 420 grams of flour?
420 grams of all-purpose flour equals approximately 3 1/2 cups (3.50 cups) when spooned and leveled.
How many cups is 420 grams of sugar?
420 grams of granulated white sugar equals approximately 2 1/8 cups (2.10 cups).
How many cups is 420 grams of butter?
420 grams of butter equals approximately 1 7/8 cups (1.85 cups), or 3.70 US sticks.
Why does 420 grams produce different cup amounts for different ingredients?
Cups measure physical space (volume) while grams measure mass. Because granulated sugar (200g/cup) is significantly denser than all-purpose flour (120g/cup), 420 grams of sugar takes up much less space in a cup than 420 grams of flour.