Cups to Grams Calculator

What is the Cups to Grams Calculator?

Convert cups of common baking ingredients to grams using ingredient densities. A cup of flour weighs far less than a cup of sugar, so converting baking recipes to grams needs the density of each ingredient, not of water.

How to use the Cups to Grams Calculator

1. Enter your cups, your ingredient.
2. Results update automatically as you type; you can also press Calculate.
3. Read the output: grams, ounces.
4. Use the 📊 chart to see the result visually, then copy or share it.

Formula and method

Worked example

With cups = 1, ingredient = All-purpose flour, the Cups to Grams Calculator returns grams: 125.0; ounces: 4.41.

Where the Cups to Grams Calculator helps in real life

You found a British cake recipe written in grams but own only US measuring cups. The calculator converts using the actual weight of flour, sugar or butter per cup, so the proportions stay right.

Your cookies spread differently every batch. Converting your recipe to grams once and weighing ingredients from then on removes the biggest source of inconsistency in baking.

Common mistakes to avoid

• Using one conversion for all ingredients as if they weighed the same as water.
• Scooping flour straight from the bag, which packs extra into the cup.
• Treating brown sugar and white sugar as the same weight per cup.
• Mixing US cups with metric 250 mL cups.

💡 Practical tip: A packed cup of flour can weigh 20–30% more than a spooned and leveled cup — enough to make cakes dry.

Tips for better results

• Spoon flour into the cup and level it with a knife when you must use volume.
• Buy a basic kitchen scale — it is the single best upgrade for consistent baking.
• Write the gram amounts on your recipe card for next time.

Related tools