2 1/2 Cups in Grams
2 1/2 cups is 300 g of all-purpose flour, 495 g of granulated sugar and 565 g of butter. Every ingredient weighs differently.
By Alex Morgan, Founder and Editor. Weights checked 31 Oct 2026.
A cup measures volume and grams measure weight, so the weight of 2 1/2 cups changes with the ingredient. Choose yours in the converter or find it in the table below.
- 2 1/2 cups flour
- 300 g
- 2 1/2 cups sugar
- 495 g
- 2 1/2 cups butter
- 565 g
- 2 1/2 cups honey
- 840 g
How to convert 2 1/2 cups to grams
Multiply the cups by the weight of one cup of your ingredient.
- 1Pick your ingredient
Look up its weight per cup in the table below or in the converter.
- 2Multiply 2 1/2 by that weight
Grams = 2 1/2 × grams per cup.
- 3Round if you like
Whole grams are accurate enough for most recipes.
Worked example
2 1/2 cups Of Four Ingredients: Same Volume, Different Weight
The same volume of each ingredient weighs a different number of grams.
Each cup is drawn to the same scale and holds up to 4 cups.
2 1/2 cups in grams for 51 ingredients
Find your ingredient to see the weight of 2 1/2 cups in grams and ounces.
Weights are averages from the King Arthur Baking ingredient weight chart, last checked 31 Oct 2026. They shift a little with brand, humidity and how the cup is filled, so weigh your ingredients when accuracy matters.
Facts and tips for converting 2 1/2 cups to grams
Key figures
- 2 1/2 cups in tablespoons
- 40 tbsp
- 2 1/2 cups in teaspoons
- 120 tsp
- 2 1/2 cups in millilitres
- 591 ml
- 2 1/2 cups in fluid ounces
- 20 fl oz
Measuring tips
- Weigh in grams on a kitchen scale for the most accurate result, and set the scale to zero (tare) with the bowl on it.
- This site uses the US cup of 236.6 ml. A metric cup is 250 ml, so recipes from the UK, Australia or New Zealand can differ.
- Check whether the recipe means the ingredient sifted, packed, melted or cooked, because that changes the weight per cup.
Frequently Asked Questions (FAQs)
Quick answers: 2 1/2 cups in grams
How many grams is 2 1/2 cups of flour?
2 1/2 cups of all-purpose flour is about 300 g, using 120 g per cup.
How many grams is 2 1/2 cups of sugar?
2 1/2 cups of granulated sugar is about 495 g, using 198 g per cup.
How many grams is 2 1/2 cups of butter?
2 1/2 cups of butter is about 565 g, using 226 g per cup.
Alex Morgan
Alex Morgan is the Founder & editor of GramsToCups.recipes, helping home cooks and bakers convert grams to cups and cups to grams with ease. He focuses on simple, accurate ingredient conversions and practical kitchen measurement guides to make cooking and baking easier. About the site