Cups To Grams Calculator 2026
Instantly convert cups to grams for flour, sugar, butter, and more. Perfect for baking and cooking accurate metric volume to mass conversions.
Ingredient Conversion
Enter your volume in cups and select the ingredient to convert
Enter the volume in US cups (1 cup ≈ 236.6 mL).
Select the ingredient to apply the correct density conversion.
Choose how many decimal places to show in the results.
Your Conversion Results
Grams, ounces, milliliters, and density breakdown
Enter your cups and select an ingredient above, then click Convert to Grams to reveal your baking conversion.
Common Baking Conversions
Quickly reference standard weight conversions for popular baking ingredients based on US customary cups.
| Ingredient | 1 Cup | 1/2 Cup | 1/4 Cup |
|---|---|---|---|
| All-Purpose Flour | 125 g | 62.5 g | 31.3 g |
| Granulated Sugar | 200 g | 100 g | 50 g |
| Brown Sugar (packed) | 220 g | 110 g | 55 g |
| Powdered Sugar | 120 g | 60 g | 30 g |
| Butter | 227 g | 113.5 g | 56.8 g |
| Milk | 244 g | 122 g | 61 g |
| Water | 236.6 g | 118.3 g | 59.1 g |
| Cocoa Powder | 86 g | 43 g | 21.5 g |
| Rolled Oats | 90 g | 45 g | 22.5 g |
| White Rice (uncooked) | 185 g | 92.5 g | 46.3 g |
Cups To Grams Calculator FAQ
Everything you need to know about converting volume to mass, understanding ingredient densities, and improving your baking accuracy.
Cups measure volume (how much space an ingredient takes up), while grams measure mass (how heavy it is). Different ingredients have different densities. For example, a cup of lead is much heavier than a cup of feathers. Similarly, a cup of honey (dense) weighs much more than a cup of cocoa powder (light and airy).
There are approximately 125 grams in 1 US cup of all-purpose flour. However, this can vary slightly depending on how the flour is scooped. For the most accurate baking results, it is recommended to spoon the flour into the measuring cup and level it off, or use a digital kitchen scale.
No. 1 cup is equal to 240 milliliters (volume), not grams (mass). For water, 1 cup is approximately 236.6 grams because water has a density of 1 g/mL. For other ingredients, the weight in grams will be different based on their specific density.
You can use this calculator by selecting your ingredient and entering the number of cups. It uses standardized density values to provide a highly accurate estimate. For professional baking, however, weighing ingredients with a digital scale is always the most reliable method.
A US customary cup is approximately 236.59 mL, while a US legal cup (used on nutrition labels) is exactly 240 mL. A metric cup, used in countries like Australia, Canada, and New Zealand, is exactly 250 mL. This calculator uses the standard US customary cup (236.59 mL) for its conversions.
There are 200 grams in 1 US cup of granulated white sugar. For brown sugar (packed), it is about 220 grams per cup, and for powdered (icing) sugar, it is approximately 120 grams per cup due to its finer, airier texture.