Grams to Cups Calculator

Convert grams to cups for any cooking ingredient. Select from 20+ ingredients with accurate density values for precise recipe conversions.

100 Grams to Cups - All Ingredients

Ingredientg/cup100g = US Cups
Water236.590.42
Flour1250.80
Milk2450.41
Sugar2000.50
Salt2920.34
Honey3400.29
Butter2270.44
Olive Oil2160.46
Rice (raw)1850.54
Oats901.11
Jam3400.29
Nutella3000.33
Maple Syrup3220.31
Cream, 38% fat2380.42
Cream, 13% fat2420.41
Powder Sugar1200.83
Flaked Almonds851.18
Cacao1180.85
Corn Starch1280.78
Rye Flour1020.98

Understanding Grams to Cups Conversions

Why Can't You Use a Universal Conversion?

Unlike converting between units of the same type (like grams to ounces), converting between weight and volume requires knowing the density of the specific ingredient. A cup of feathers and a cup of lead have the same volume but vastly different weights!

Common Ingredient Conversions

100g Flour

0.80 US cups

100g Sugar

0.50 US cups

100g Butter

0.44 US cups

100g Water

0.42 US cups

Tips for Accurate Measurements

  • Use a kitchen scale: Weighing ingredients is always more accurate than using cups
  • Spoon and level: When using cups for flour, spoon it in and level off the top
  • Don't pack: Unless specified, don't pack ingredients into cups (except brown sugar)
  • Check your recipe source: US and metric recipes use different cup sizes
  • Liquid vs dry measuring cups: Use the right type for better accuracy

Frequently Asked Questions

How many grams are in a cup?

It depends on the ingredient. For water, 1 US cup = 236.59g. For flour, 1 cup ≈ 125g. For sugar, 1 cup ≈ 200g. Always use ingredient-specific conversions for accuracy.

What's the difference between US cups and metric cups?

US customary cups are 236.59 ml, US legal cups (nutrition labels) are 240 ml, and metric cups (UK, Australia, Canada) are 250 ml. This ~6% difference can affect recipes.

Why do recipes use cups instead of grams?

Cups are traditional in US cooking and don't require a scale. However, professional bakers and most of the world prefer weight measurements for consistency and precision.

How accurate are cup measurements?

Cup measurements can vary by 10-20% depending on how you fill the cup, humidity, and ingredient settling. A kitchen scale accurate to 1g is much more reliable.

Can I convert any ingredient from grams to cups?

Yes, if you know the ingredient's density (grams per cup). Our calculator includes 20 common ingredients, and you can enter a custom density for any other ingredient.

Why does 1 cup of flour weigh less than 1 cup of sugar?

Flour is less dense than sugar because flour particles are lighter and trap more air. Sugar granules pack more tightly together, making the same volume weigh more.

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