Cups to Grams Converter for Baking and Cooking
Convert cups to grams for flour, sugar, butter, oats, honey, milk, and many more ingredients using ingredient-specific density data. Whether you're searching for cups to grams flour, cups to grams sugar, or simply how many grams in a cup — this page gives you a live calculator plus practical reference tables.
Every result uses the standard US cup and ingredient-specific density values — making it easy to translate American recipes into metric weights for more consistent, repeatable baking.
Why convert cups to grams?
- 1.Weight is easier to repeat, share, and scale than volume.
- 2.Ingredient-aware values are more accurate than generic charts.
- 3.Converting US cups to grams helps when using international recipes with a digital scale.
Best uses for this page
Use this calculator when a recipe says "1 cup to grams", "2 cups to grams", or "1/2 cup to grams" and you want a cleaner metric version. Also useful before scaling recipes with the recipe scaler or printing a reference from the conversion charts.
Need the reverse direction — Use the grams to cups converter on the homepage for ingredient-specific conversions back to volume.
How to Use This Cups to Grams Converter
The page answers two kinds of search intent: quick calculator intent and detailed reference intent. Use the tool for a fast conversion, then scan the tables and ingredient notes below to understand why cups-to-grams results change so much between flour, sugar, butter, oats, and liquids.
Choose the exact ingredient
Pick the ingredient first — cups to grams flour, sugar, and butter all use different density values.
Enter the cup amount
Type whole numbers, decimals, or simple fractions such as 1/2 or 1 1/2 to match the recipe exactly.
Read the gram result
The calculator converts the cup volume into grams using the ingredient's stored grams-per-cup density.
Weigh and bake
Use the gram amount on a kitchen scale so your recipe is easier to repeat, troubleshoot, and scale.
US cups vs. metric cups to grams
This page uses the US cup (~240 ml) as default. A metric cup is 250 ml, so metric cups-to-grams results will be slightly higher. If your recipe comes from Australia, New Zealand, or another metric-cup country, use these values as a guide and confirm important ingredients by weight.
When this page is most useful
Cups-to-grams conversions matter most in baking because small shifts in flour, liquid, sugar, or fat can change structure and texture. Many bakers use this page before scaling recipes in the recipe scaler or before printing a reference from the conversion charts.
Cups to Grams Quick Reference Table
Common ingredients across ¼ cup, ⅓ cup, ½ cup, and 1 cup. Values use real ingredient density data rounded to the nearest whole gram.
| Ingredient | ¼ cup | ⅓ cup | ½ cup | 1 cup |
|---|---|---|---|---|
| All-Purpose Flour | 31 g | 42 g | 63 g | 125 g |
| Bread Flour | 32 g | 42 g | 64 g | 127 g |
| Cake Flour | 29 g | 38 g | 57 g | 114 g |
| Whole Wheat Flour | 30 g | 40 g | 60 g | 120 g |
| Almond Flour | 24 g | 32 g | 48 g | 96 g |
| Coconut Flour | 28 g | 37 g | 56 g | 112 g |
| Cocoa Powder | 25 g | 33 g | 50 g | 99 g |
| Granulated Sugar | 50 g | 67 g | 100 g | 200 g |
| Brown Sugar (packed) | 55 g | 73 g | 110 g | 220 g |
| Powdered Sugar | 30 g | 40 g | 60 g | 120 g |
| Honey | 85 g | 113 g | 170 g | 340 g |
| Maple Syrup | 81 g | 107 g | 161 g | 322 g |
| Butter | 57 g | 76 g | 114 g | 227 g |
| Olive Oil | 54 g | 72 g | 108 g | 216 g |
| Vegetable Oil | 55 g | 73 g | 109 g | 218 g |
| Milk | 61 g | 81 g | 122 g | 244 g |
| Heavy Cream | 60 g | 79 g | 119 g | 238 g |
| Yogurt | 61 g | 82 g | 123 g | 245 g |
| Cream Cheese | 58 g | 77 g | 116 g | 232 g |
| Water | 59 g | 79 g | 119 g | 237 g |
| Rolled Oats | 23 g | 30 g | 45 g | 90 g |
| Rice (uncooked) | 46 g | 62 g | 93 g | 185 g |
| Quinoa (dry) | 43 g | 57 g | 85 g | 170 g |
Looking for more — Compare with the flour conversion chart and sugar conversion chart.
1 Cup to Grams, ½ Cup to Grams, and 2 Cups to Grams
The most searched kitchen amounts — ¼ cup, ⅓ cup, ½ cup, 1 cup, and 2 cups — for the five most popular ingredients.
| Ingredient | ¼ cup | ⅓ cup | ½ cup | 1 cup | 2 cups |
|---|---|---|---|---|---|
| All-Purpose Flour | 31 g | 42 g | 63 g | 125 g | 250 g |
| Granulated Sugar | 50 g | 67 g | 100 g | 200 g | 400 g |
| Butter | 57 g | 76 g | 114 g | 227 g | 454 g |
| Rolled Oats | 23 g | 30 g | 45 g | 90 g | 180 g |
| Honey | 85 g | 113 g | 170 g | 340 g | 680 g |
Need more ingredients or amounts — Search the ingredients directory or scale the full recipe in the recipe scaler.
Why Cups to Grams Conversions Change by Ingredient
The biggest mistake in online conversion charts is pretending volume converts to one fixed weight. Density, packing, air content, and ingredient structure all change how much mass fits into a cup. The four groups below explain why one chart number is never enough.
Flour is the most variable cups-to-grams ingredient
Flour is where small measuring errors create the biggest baking problems. A recipe that should use 125 g of all-purpose flour can end up with significantly more if the cup is scooped directly into the bag — making muffins dry, cookies cakey, and bread stiffer than intended. Searches like "how many grams in a cup of flour" are common precisely because bakers notice the difference in texture almost immediately.
Spoon and level
Best reference for repeatable home baking.
Sifted flour
Lighter because more air remains in the cup.
Scooped directly
Often too heavy for cakes, muffins, and cookies.
Sugar changes by crystal size and packing method
Cups-to-grams sugar conversions are not interchangeable. Granulated sugar is dense and consistent; powdered sugar is much lighter because it contains more air; packed brown sugar is heavier because the cup is deliberately compressed. Choosing the wrong sugar type in a frosting or cookie recipe can shift sweetness, spread, moisture retention, and texture.
Granulated sugar
Standard white sugar for cookies, cakes, and syrups.
Powdered sugar
Lighter because finely milled and full of air.
Brown sugar packed
Heavier — packed and contains molasses.
Butter and liquids are more stable, but not identical
Bakers often assume every liquid behaves like water, but that fails quickly when comparing milk, honey, oil, and melted fat. Butter is about 227 g per cup, water about 237 g, milk around 244 g, and honey is far heavier at roughly 340 g. That difference matters for frostings, fillings, and enriched doughs where precise ratios affect texture and consistency.
Butter
Frostings, bars, and pastry.
Water
The reference most people assume all liquids follow.
Milk
Slightly heavier due to solids and fat.
Honey
Very dense — volume-to-weight differences are dramatic.
Oats and alternative flours stay light by volume
Lightweight ingredients such as rolled oats, almond flour, and coconut flour look bulky in the cup but weigh far less than wheat flour or sugar. That matters when adapting gluten-free recipes or adding texture to granola, crumble toppings, or pancakes. Expect oat results to be much lower than flour — oats trap far more air in the same volume.
Rolled Oats
Very light — high air volume.
Almond Flour
Ground almonds hold a lot of air.
Coconut Flour
Highly absorbent — used in smaller amounts.
Whole Wheat
Denser than cake flour due to bran.
Cups to Grams — Frequently Asked Questions
Why does 1 cup convert to different gram values for different ingredients?
How many grams is 1 cup of all-purpose flour?
How many grams is 1 cup of sugar?
How many grams is 1 cup of butter?
Is this cups to grams converter based on US cups or metric cups?
How many grams is ½ cup of flour?
How many grams is ¼ cup of common ingredients?
When should I use a kitchen scale instead of cups?
Can I convert grams back to cups on this site?
Why is packed brown sugar heavier than white sugar in the same cup?
Need to go the other way?
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