21 grams is about 0.11 cup sugar, 0.18 cup flour, 1.48 tbsp butter, or 1.42 tbsp water. Convert 21g to cups, tablespoons, and teaspoons by ingredient.
21 Grams to Cups Converter
This calculator is built for the 21-gram range, which comes in handy for small recipe portions and quick kitchen estimates. Choose an ingredient and it will convert that weight into cups, tablespoons, and teaspoons. For a few examples, 21 grams is roughly 0.11 cup sugar, 0.18 cup flour, 1.48 tbsp butter, or 1.42 tbsp water.
Because every ingredient behaves a little differently, the same 21 grams will not always take up the same amount of space. Dense mixtures like honey, molasses, and peanut butter are much more compact than airy ingredients such as flour, oats, or cocoa powder.
21 Grams to Cups, Tablespoons, and Teaspoons Table
Use the chart below for a fast look at what 21 grams equals for each ingredient. It is a useful shortcut when a recipe calls for 21g and you want a measuring-cup estimate without pulling out a scale.
| Ingredient | Approx. Grams per Cup | 21 Grams to Cups | 21 Grams to Tbsp | 21 Grams to Tsp |
|---|---|---|---|---|
| Flour | 120 g | 0.175 | 2.8 | 8.4 |
| All-Purpose Flour | 120 g | 0.175 | 2.8 | 8.4 |
| Plain Flour (UK) | 125 g | 0.168 | 2.69 | 8.06 |
| Bread Flour | 127 g | 0.165 | 2.65 | 7.94 |
| Almond Flour | 96 g | 0.219 | 3.5 | 10.5 |
| Sugar | 200 g | 0.105 | 1.68 | 5.04 |
| Granulated Sugar | 200 g | 0.105 | 1.68 | 5.04 |
| White Sugar | 200 g | 0.105 | 1.68 | 5.04 |
| Caster Sugar | 225 g | 0.093 | 1.49 | 4.48 |
| Brown Sugar, Packed | 220 g | 0.095 | 1.53 | 4.58 |
| Powdered Sugar | 120 g | 0.175 | 2.8 | 8.4 |
| Icing Sugar | 120 g | 0.175 | 2.8 | 8.4 |
| Butter | 227 g | 0.093 | 1.48 | 4.44 |
| Sourdough Starter | 240 g | 0.088 | 1.4 | 4.2 |
| Sourdough Discard | 240 g | 0.088 | 1.4 | 4.2 |
| Water | 237 g | 0.089 | 1.42 | 4.25 |
| Liquid, Water-Like | 237 g | 0.089 | 1.42 | 4.25 |
| Dry Ingredient, Generic | 120 g | 0.175 | 2.8 | 8.4 |
| Milk | 245 g | 0.086 | 1.37 | 4.11 |
| Yogurt | 245 g | 0.086 | 1.37 | 4.11 |
| Greek Yogurt | 245 g | 0.086 | 1.37 | 4.11 |
| Sour Cream | 240 g | 0.088 | 1.4 | 4.2 |
| Heavy Cream | 238 g | 0.088 | 1.41 | 4.24 |
| Cream | 238 g | 0.088 | 1.41 | 4.24 |
| Cream Cheese | 225 g | 0.093 | 1.49 | 4.48 |
| Condensed Milk | 306 g | 0.069 | 1.1 | 3.29 |
| Cottage Cheese | 225 g | 0.093 | 1.49 | 4.48 |
| Cheese | 113 g | 0.186 | 2.97 | 8.92 |
| Shredded Cheese | 113 g | 0.186 | 2.97 | 8.92 |
| Grated Cheese | 100 g | 0.21 | 3.36 | 10.08 |
| Parmesan Cheese, Grated | 100 g | 0.21 | 3.36 | 10.08 |
| Rice | 185 g | 0.114 | 1.82 | 5.45 |
| Rice, Uncooked | 185 g | 0.114 | 1.82 | 5.45 |
| Cooked Rice | 158 g | 0.133 | 2.13 | 6.38 |
| Oats | 90 g | 0.233 | 3.73 | 11.2 |
| Rolled Oats | 90 g | 0.233 | 3.73 | 11.2 |
| Chocolate Chips | 170 g | 0.124 | 1.98 | 5.93 |
| Chocolate | 170 g | 0.124 | 1.98 | 5.93 |
| Cocoa Powder | 85 g | 0.247 | 3.95 | 11.86 |
| Cornstarch | 128 g | 0.164 | 2.63 | 7.88 |
| Pasta, Dry | 100 g | 0.21 | 3.36 | 10.08 |
| Breadcrumbs | 108 g | 0.194 | 3.11 | 9.33 |
| Peanut Butter | 258 g | 0.081 | 1.3 | 3.91 |
| Oil | 218 g | 0.096 | 1.54 | 4.62 |
| Molasses | 337 g | 0.062 | 1 | 2.99 |
| Mayo | 220 g | 0.095 | 1.53 | 4.58 |
| Honey | 340 g | 0.062 | 0.99 | 2.96 |
| Egg White | 243 g | 0.086 | 1.38 | 4.15 |
| Chicken, Chopped | 140 g | 0.15 | 2.4 | 7.2 |
| Meat, Chopped | 140 g | 0.15 | 2.4 | 7.2 |
| Ground Beef, Cooked | 150 g | 0.14 | 2.24 | 6.72 |
| Blueberries | 148 g | 0.142 | 2.27 | 6.81 |
| Strawberries, Sliced | 166 g | 0.127 | 2.02 | 6.07 |
| Broccoli, Chopped | 91 g | 0.231 | 3.69 | 11.08 |
| Potatoes, Diced | 150 g | 0.14 | 2.24 | 6.72 |
| Pumpkin Puree | 245 g | 0.086 | 1.37 | 4.11 |
| Almonds | 143 g | 0.147 | 2.35 | 7.05 |
| Nuts, Mixed | 140 g | 0.15 | 2.4 | 7.2 |
| Chickpeas, Cooked | 164 g | 0.128 | 2.05 | 6.15 |
| Beans, Cooked | 177 g | 0.119 | 1.9 | 5.69 |
| Lentils, Dry | 192 g | 0.109 | 1.75 | 5.25 |
| Quinoa, Dry | 170 g | 0.124 | 1.98 | 5.93 |
| Vegetables, Chopped | 150 g | 0.14 | 2.24 | 6.72 |
| Coffee Grounds | 82 g | 0.256 | 4.1 | 12.29 |
| Dog Food, Dry Kibble | 100 g | 0.21 | 3.36 | 10.08 |
Why 21 Grams Doesn’t Work the Same for Every Ingredient
Mass stays fixed, but volume shifts with density, texture, and packing. That is why 21 grams of sugar, 21 grams of flour, and 21 grams of honey all end up at different cup measurements.
If you are baking, a scale will always give the cleanest result. Still, when you just need a fast estimate, the 21-gram calculator and table above are a practical shortcut for cups, tablespoons, and teaspoons.
