Cups to Grams Calculator

Cups to grams conversion charts

These tables use a US customary cup of 236.588 ml and rounded practical kitchen weights. Dry ingredients assume level cups unless noted.

Flour cups to grams

Sugar cups to grams

Fats and liquids cups to grams

Other common ingredients cups to grams

Grams to cups quick chart

Why This Converter Is Ingredient-Aware

A cup of flour and a cup of honey do not weigh the same. Volume units like cups, tablespoons, teaspoons, milliliters, and fluid ounces tell you how much space something occupies. Weight units like grams, kilograms, ounces, and pounds tell you mass. This calculator bridges the two by using ingredient-specific density references, so the same input amount can produce very different gram values depending on what you are measuring.

That makes it useful for everyday lookups such as flour cups to grams, butter tablespoons to ounces, sugar grams to cups, or honey tablespoons to milliliters. It also works both directions, so you can start with a recipe written in grams and convert it to cups and spoons if that fits your kitchen setup better.

This matters most in baking, where small measurement changes can shift texture more than many cooks expect. Flour can compress in the cup, brown sugar can be loosely or tightly packed, and ingredients like oats or cocoa powder trap different amounts of air. A converter that ignores ingredient density can only give a generic answer, but a kitchen tool that accounts for the ingredient can give a much more realistic estimate for recipe scaling, substitution, and label-style portion planning.

Even with ingredient awareness, kitchen conversions are still estimates rather than laboratory measurements. Brand differences, humidity, grind size, and whether you scoop or spoon an ingredient into the cup can all change the final weight. For repeatable baking, grams are still the better final format. This converter is most helpful when you need to translate between recipe styles quickly, compare measurements from different countries, or sanity-check a recipe that mixes volume and weight units.

How the calculator works

The calculator converts volume to mass with density. The full formula is:

grams = cups x 236.588 x density in g/ml

Because most kitchen references are easier to think about by cup, the equivalent shortcut is:

grams = cups x grams per cup

For example, all-purpose flour uses 125 g per cup, so 2 cups all-purpose flour = 2 x 125 = 250 g. Milk uses 245 g per cup, so 1/2 cup milk = 0.5 x 245 = about 122 g.

Measuring method changes the answer

Flour is the classic example. Spoon-and-level flour is gently spooned into the cup and leveled with a straight edge; this is the method assumed by the all-purpose flour value here. Scooped flour is dragged through the bag or container, which compacts the flour and can make a cup materially heavier. Sifted flour traps more air and can weigh less per cup than unsifted flour.

Brown sugar is different: most baking recipes mean packed brown sugar unless they say otherwise. The packed brown sugar value here assumes the sugar is pressed into the measuring cup firmly enough to hold its shape when turned out. Loose brown sugar will weigh less.

If two websites disagree on 1 cup flour in grams, they may be using different flour brands, cup standards, or measuring methods. For repeatable baking, weigh the ingredient once in grams and use that value consistently.

Cup standards by country

Supported Ingredients

• Flours and starches: all-purpose flour, bread flour, cake flour, whole wheat flour, almond flour, cornstarch, cocoa powder, rolled oats, and uncooked white rice
• Sugars and sweeteners: granulated sugar, packed brown sugar, powdered sugar, honey, maple syrup, and peanut butter
• Fats and liquids: butter, water, milk, heavy cream, yogurt, sour cream, olive oil, vegetable oil, and coconut oil
• Leaveners, salts, and mix-ins: baking powder, baking soda, table salt, coarse salt, chocolate chips, shredded coconut, almonds, mashed banana, grated carrot, and shredded cheese

Use the search field above the ingredient selector to filter the grouped list on small screens. Values are approximate kitchen references, not package-specific nutrition data.

Methodology and references

This calculator assumes a US customary cup of 236.588 ml. Ingredient values are practical density-based kitchen references, shown as grams per cup and rounded for cooking use. Dry ingredients assume level cups; flour values are intended for spoon-and-level measuring, and brown sugar assumes packed measurement.

Because real ingredients vary by brand, grind, humidity, and handling, use these conversions as estimates. For baking formulas, allergy-sensitive production, or nutrition labeling, weigh ingredients directly and use product-specific data.

• NIST cooking measurement equivalencies for common kitchen volume measures.
• FAO/INFOODS density database for density-based food reference methodology.
• King Arthur Baking ingredient weight chart for practical baking weight references.
• 21 CFR 101.9 for US nutrition-label household measure definitions including the 240 ml label cup.

FAQs

How many grams is 1 cup of flour?

One US cup of spoon-and-level all-purpose flour is about 125 g on this calculator. Scooped or compacted flour can weigh more.

How many grams is 1 cup of sugar?

One US cup of granulated sugar is about 200 g. Packed brown sugar is about 220 g per cup because it is compressed into the cup.

How many grams is 1 cup of butter?

One US cup of butter is about 227 g. That is 16 tablespoons, 8 ounces by weight, or 2 standard US sticks.

Why do cups to grams values differ by website?

Values differ because cups measure volume, grams measure weight, and ingredients vary by density, brand, humidity, grind size, packing, and measuring method.

Is a US cup the same as a metric cup?

No. This calculator uses 236.588 ml for a US customary cup. A metric or Australian cup is usually 250 ml, and a US nutrition-label cup is 240 ml.

Does sifted flour weigh the same as unsifted flour?

No. Sifted flour contains more air and usually weighs less per cup than unsifted or scooped flour. For repeatable baking, weigh flour in grams.

How do I convert grams back to cups?

Divide grams by the ingredient's grams per cup. For example, 250 g all-purpose flour divided by 125 g per cup equals 2 cups.

Should I use cups or grams for baking?

Use grams when precision matters, especially for flour, cocoa, leaveners, and scaled recipes. Cups are convenient for quick cooking estimates, but weight is more repeatable.