Cups to Grams Converter

This converter translates between volume (cups) and weight (grams) for over 55 common cooking and baking ingredients. Because each ingredient has a different density, a cup of flour weighs much less than a cup of sugar. Our converter accounts for these differences to give you precise measurements every time.

How to Use the Cups to Grams Converter

1. Enter the amount — Type a number in the amount field or tap a quick fraction button (¼, ⅓, ½, ⅔, ¾, 1, 1½, 2, or 3 cups).

2. Select an ingredient — Browse by category (Flours, Sugars, Dairy & Fats, Liquids, Nuts & Seeds, Grains, Baking) or search by name. Click the ingredient to select it.

3. View the conversion — Your result appears instantly, complete with an animated measuring cup visual, the gram (or cup) equivalent, and the ounce equivalent.

4. Use the reference table — Below the main result, see a quick reference grid showing conversions for 8 common amounts so you can plan your recipe at a glance.

5. Switch direction — Toggle between "Cups → Grams" and "Grams → Cups" mode at any time.

Why Cups to Grams Conversions Matter

Cups are a volume measurement and grams are a weight measurement. A cup of feathers weighs far less than a cup of lead, and the same principle applies to ingredients. One cup of all-purpose flour weighs about 120 grams, while one cup of granulated sugar weighs about 200 grams — a 67% difference for the same volume.

Professional bakers worldwide prefer weight measurements because they are more precise and reproducible. How tightly you pack flour into a cup, whether you sift it first, or even the humidity in your kitchen can all change how many grams end up in that cup. Using a kitchen scale eliminates this variability.

Common Cups to Grams Conversions

Flours

Sugars & Sweeteners

Dairy, Fats & Liquids

US Cup vs. Metric Cup

It is important to know which cup standard your recipe uses. The US customary cup equals 236.588 mL, while the metric cup (used in Australia, New Zealand, and some other countries) equals exactly 250 mL. The difference is about 5.7%, which can matter in precise baking. This converter uses the US cup.

Tips for Accurate Measuring

Spoon and level method: For dry ingredients like flour, spoon the ingredient into the measuring cup and level off with a straight edge. Do not scoop directly from the bag, as this can pack the ingredient and give you up to 25% more than intended.

Brown sugar: Brown sugar is typically measured packed into the cup, pressed firmly with your fingers. This is already factored into our conversion values.

Liquids: Use a liquid measuring cup (with a pour spout) placed on a flat surface. Read at eye level at the bottom of the meniscus.

Invest in a kitchen scale: For the best accuracy, especially in baking, a digital kitchen scale that reads in grams is indispensable. They are inexpensive and eliminate the guesswork of volume measurements entirely.

Frequently Asked Questions