Cooking & baking conversions, exact for every ingredient

A cup of flour and a cup of honey weigh completely differently. Cups & Grams converts cups, grams, ounces, tablespoons and millilitres using the real density of each ingredient.

137Ingredients

13Units

9Categories

268Substitutions

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Every ingredient has its own density. The converter uses that exact value — not a one-size-fits-all guess.

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Conversions happen in your browser the moment you type. No waiting, no account, works offline.

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Each ingredient has a cups-to-grams chart that fits on one screen — scan it without scrolling while you cook.

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Cups to Grams Chart

Common ingredients at a glance

Browse ingredient converters

137 ingredients across 9 categories.

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All-purpose flour Sugar, granulated Butter Brown sugar Powdered sugar Milk Honey Cocoa powder Rolled oats

Baking guides

Measuring tips, recipe-scaling math, and why common mistakes happen.

How to Measure Flour Correctly Without a Scale

Scooping flour straight from the bag can add 20% extra. Here is the spoon-and-le…

Baking by Weight vs Volume: Why Grams Win

Professional bakers weigh everything. Here is why grams beat cups for accuracy, …

US, UK & Metric Cups: Why They Are Not the Same

A US cup, an Imperial cup, and a metric cup are three different sizes. Here is h…

Pints, Quarts & Half-Pints: Cooking Volume Conversions

What a half-pint, pint, quart, and gallon mean in cups and millilitres — plus th…

Frequently asked questions

Why does my recipe say different amounts than your converter?

Cup measurements depend on how the ingredient was scooped, packed or fluffed. We use typical values from the King Arthur Baking Ingredient Weight Chart cross-referenced against USDA FoodData Central — see our methodology. A 10–15% spread between published sources is normal because different recipes use different scooping conventions.

Are US cups and metric cups the same?

No. A US cup is 236.6 ml; a metric cup is 250 ml; a historic UK cup is 284 ml. We use the US cup throughout because that’s what almost all online recipes assume. For metric or UK recipes, see our US, UK and metric cups guide.

How many sticks of butter are in a cup?

Two sticks of butter equal one cup. One stick is ½ cup (8 tablespoons / 113 grams). US butter sticks are marked with tablespoon graduations on the wrapper — useful when a recipe calls for a specific number of tablespoons. See the butter converter for the full breakdown.

Why do bakers use grams instead of cups?

Cups measure volume, which changes with how an ingredient is scooped, packed or fluffed. Grams measure weight, which doesn't. For repeatable results in baking (where the flour-to-liquid ratio matters most), weighing in grams takes one variable out of the equation. See why we weigh.

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