45 Grams to Cups Conversion Chart
Convert 45 grams to cups for flour, sugar, butter, oats, and 25+ ingredients. Exact fractions, decimals, tablespoon equivalents, and culinary guidance.
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45 grams of All-Purpose Flour equals approximately 3/8 cups (US Legal Cup (Nutrition)).
How Many Cups is 45 Grams?
Converting 45 grams to cups depends on the ingredient because bulk density varies widely across kitchen staples:
45g in Cups Across Common Ingredients
See how much cup volume 45 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 | 45g | 3/8 (0.38 cups) | 6.0 tbsp | 18.0 tsp |
| Granulated White Sugar | 45g | 1/4 (0.23 cups) | 3.6 tbsp | 10.8 tsp |
| Butter (Unsalted or Salted) | 45g | 1/6 (0.20 cups) | 3.2 tbsp | 9.5 tsp |
| Brown Sugar (Light or Dark) | 45g | 1/6 (0.20 cups) | 3.3 tbsp | 9.8 tsp |
| Powdered Sugar (Confectioners) | 45g | 3/8 (0.38 cups) | 6.0 tbsp | 18.0 tsp |
| White Rice (Long or Medium Grain, Uncooked) | 45g | 1/4 (0.24 cups) | 3.9 tbsp | 11.7 tsp |
| Rolled Oats (Old Fashioned) | 45g | 1/2 (0.50 cups) | 8.0 tbsp | 24.0 tsp |
| Cocoa Powder (Unsweetened / Dutch Process) | 45g | 1/2 (0.53 cups) | 8.5 tbsp | 25.4 tsp |
| Honey (Pure Liquid) | 45g | 1/8 (0.13 cups) | 2.1 tbsp | 6.4 tsp |
| Whole Milk (Cow) | 45g | 1/6 (0.18 cups) | 2.9 tbsp | 8.8 tsp |
| Water (Pure) | 45g | 1/6 (0.19 cups) | 3.0 tbsp | 9.0 tsp |
| Peanut Butter (Smooth / Creamy) | 45g | 1/6 (0.18 cups) | 2.9 tbsp | 8.6 tsp |
| Plain Yogurt (Regular) | 45g | 1/6 (0.18 cups) | 2.9 tbsp | 8.8 tsp |
| Greek Yogurt (Strained) | 45g | 1/6 (0.16 cups) | 2.5 tbsp | 7.6 tsp |
| Bread Flour (High Protein) | 45g | 3/8 (0.35 cups) | 5.7 tbsp | 17.0 tsp |
| Almond Flour (Blanched Superfine) | 45g | 1/2 (0.47 cups) | 7.5 tbsp | 22.5 tsp |
| Cake Flour (Low Protein / Chlorinated) | 45g | 3/8 (0.39 cups) | 6.3 tbsp | 18.9 tsp |
| Whole Wheat Flour | 45g | 3/8 (0.38 cups) | 6.0 tbsp | 18.0 tsp |
| Cream Cheese (Block Style) | 45g | 1/6 (0.20 cups) | 3.2 tbsp | 9.6 tsp |
| Chocolate Chips (Semi-Sweet Regular) | 45g | 1/4 (0.26 cups) | 4.2 tbsp | 12.7 tsp |
| Heavy Cream / Heavy Whipping Cream | 45g | 1/6 (0.19 cups) | 3.0 tbsp | 9.1 tsp |
| Olive Oil (Extra Virgin) | 45g | 1/6 (0.21 cups) | 3.3 tbsp | 10.0 tsp |
| Sourdough Starter (100% Hydration) | 45g | 1/6 (0.19 cups) | 3.0 tbsp | 9.0 tsp |
Nearby Gram Weights
Need a slightly different weight? Check these related conversion amounts:
Frequently Asked Questions
How many cups is 45 grams of flour?
45 grams of all-purpose flour equals approximately 3/8 cups (0.38 cups) when spooned and leveled.
How many cups is 45 grams of sugar?
45 grams of granulated white sugar equals approximately 1/4 cups (0.23 cups).
How many cups is 45 grams of butter?
45 grams of butter equals approximately 1/6 cups (0.20 cups), or 0.40 US sticks.
Why does 45 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), 45 grams of sugar takes up much less space in a cup than 45 grams of flour.