Ingredient Tally

Cups to grams converter

Convert cups to grams for accurate baking measurements

Convert cups to grams

Result

120.0 grams

Common cup to gram conversions

Quick reference table for the most common baking ingredients. Find gram measurements for the cup amounts you use most often.

Ingredient1/4 cup1/3 cup1/2 cup1 cup1 1/2 cups2 cups
All-purpose flour30 g40 g60 g120 g180 g240 g
Bread flour32 g42 g64 g127 g191 g254 g
Granulated sugar50 g67 g100 g200 g300 g400 g
Brown sugar (packed)55 g73 g110 g220 g330 g440 g
Butter57 g76 g114 g227 g341 g454 g

How to use this calculator

  1. Enter the amount or measurement requested by the calculator.
  2. Select the unit, ingredient, or option that matches your recipe.
  3. Review the result and any notes below the calculator.
  4. Use the answer as a practical kitchen estimate and adjust based on your recipe.

Example

Use the calculator to turn recipe measurements into the format you can measure most easily, then round to a practical spoon, cup, gram, or oven setting.

Kitchen measurements can vary, especially for ingredients measured by volume.

Frequently asked questions

How many grams are in a cup?

It depends on the ingredient. A cup of all-purpose flour weighs about 120 grams, while a cup of granulated sugar weighs about 200 grams. Always select your specific ingredient for accurate conversions.

Why does the conversion vary by ingredient?

Different ingredients have different densities. A cup measures volume, while grams measure weight. Flour is light and airy, so a cup weighs less than a cup of sugar, which is denser.

Is a cup of flour the same weight as a cup of sugar?

No. A cup of all-purpose flour weighs about 120 grams, while a cup of granulated sugar weighs about 200 grams. This is why ingredient-specific conversions are important for baking accuracy.

Should I pack ingredients when measuring?

It depends on the ingredient. Brown sugar should be packed, while flour should be spooned and leveled. Our conversions assume standard measuring practices for each ingredient.

Last updated: June 5, 2026 | Reviewed by Ingredient Tally Team

About This Cups to Grams Converter

Use the cups to grams converter when you want more consistent baking measurements. Cups measure volume, while grams measure weight, so the correct conversion depends on the ingredient.

Ingredient Tally keeps the calculator near the top of the page and adds this guide so home cooks and bakers can understand the measurement choice behind the result. Recipe math is useful, but kitchen results also depend on ingredient density, oven behavior, pan size, rounding, technique, and the way a recipe was originally written.

How to Use It

  1. Select the ingredient.
  2. Enter the cup amount.
  3. Convert to grams.
  4. Review any rounding.
  5. Weigh the ingredient when precision matters.

Best Use Cases

  • Moving a US recipe into a scale-based baking workflow.
  • Checking whether a cup-based ingredient amount looks reasonable before mixing a batter or dough.
  • Reducing variation between batches when a recipe is written in cups but you prefer grams.
  • Comparing different measuring habits, such as scooped flour versus spooned-and-leveled flour.

How the Math Works

Cups are converted to grams using an ingredient density value. The same volume can weigh very different amounts depending on ingredient type and packing.

Pure unit conversions use fixed relationships, while ingredient conversions can require density assumptions. That is why a cup of flour, sugar, chopped nuts, oil, and cocoa do not all convert to the same number of grams. Treat the answer as a practical kitchen estimate and weigh key ingredients when precision matters.

When the Result Is Exact vs Estimated

This result is ingredient-specific, not universal. The conversion depends on the selected ingredient and the density assumption behind it. It is best treated as a strong estimate for common kitchen use and a starting point for precision baking.

If a recipe is sensitive, expensive, or unfamiliar, use the result as a starting point and compare it with the recipe context. That can mean checking a pan size, weighing a dry ingredient, tasting a seasoning change, or watching the batter or dough before committing to the full batch.

Worked Kitchen Example

Converting 2 cups of flour for a cake recipe

The calculator can give you a grams estimate for 2 cups of flour, but the number still depends on how the recipe writer meant those cups to be measured. Scooped flour often weighs more than spooned-and-leveled flour.

If the cake is sensitive or you plan to repeat it often, weigh the flour once, note the result and measuring method, and use that note the next time instead of starting from scratch.

Practical Kitchen Tips

  • Flour weight changes when scooped versus spooned and leveled.
  • Brown sugar weight changes when packed.
  • Use a scale for repeatable baking results.
  • Ingredient density tables are estimates, not brand guarantees.

When to Double-Check the Result

  • Flour, cocoa, powdered sugar, and other ingredients that compact or fluff easily.
  • Brown sugar, shredded cheese, or chopped ingredients where packing changes the volume.
  • Recipes from another country that may assume a different cup size.
  • Any bake where texture matters enough that a small weight difference can show up in the final crumb.

When one of these situations applies, compare the result with a related guide or a trusted recipe note instead of treating the calculator as the only source of truth.

Cups to Grams Converter FAQ

How many grams are in a cup?

It depends on the ingredient.

Why is flour tricky?

Scooping can compact flour and change weight.

Is weighing better?

For baking, weighing is usually more consistent.