Grams to Cups Converter for Baking Ingredients

Converting between grams and cups is essential for baking and cooking, particularly when working with recipes from different regions. Whilst grams provide precise weight measurements, cups offer volume-based measurements commonly used in American recipes. This converter helps you translate ingredient weights into cup measurements accurately, accounting for the density differences between various ingredients such as flour, sugar, butter, and liquids.

Grams to Cups Converter

Select Ingredient

Amount in Grams

Common Ingredient Conversions

Different ingredients have varying densities, which significantly affects their gram-to-cup conversions. Below are conversion tables for the most frequently used baking and cooking ingredients.

Flour Conversions

Grams	Plain Flour (Cups)	Self-Raising Flour (Cups)	Wholemeal Flour (Cups)
50g	0.4 cups (⅖ cup)	0.4 cups (⅖ cup)	0.36 cups (⅓ cup)
100g	0.8 cups (⅘ cup)	0.8 cups (⅘ cup)	0.72 cups (¾ cup)
125g	1 cup	1 cup	0.9 cups (1 cup)
150g	1.2 cups (1⅕ cups)	1.2 cups (1⅕ cups)	1.08 cups (1 cup)
200g	1.6 cups (1⅗ cups)	1.6 cups (1⅗ cups)	1.44 cups (1½ cups)
250g	2 cups	2 cups	1.8 cups (1⅘ cups)
500g	4 cups	4 cups	3.6 cups (3⅗ cups)

Sugar Conversions

Grams	Granulated/Caster Sugar (Cups)	Brown Sugar (Cups)	Icing Sugar (Cups)
50g	0.25 cups (¼ cup)	0.25 cups (¼ cup)	0.4 cups (⅖ cup)
100g	0.5 cups (½ cup)	0.5 cups (½ cup)	0.8 cups (⅘ cup)
150g	0.75 cups (¾ cup)	0.75 cups (¾ cup)	1.2 cups (1⅕ cups)
200g	1 cup	1 cup	1.6 cups (1⅗ cups)
250g	1.25 cups (1¼ cups)	1.3 cups (1⅓ cups)	2 cups
500g	2.5 cups (2½ cups)	2.6 cups (2⅗ cups)	4 cups

Fats and Liquids

Grams	Butter (Cups)	Cooking Oil (Cups)	Milk/Water (Cups)
50g	0.22 cups (¼ cup)	0.24 cups (¼ cup)	0.21 cups (¼ cup)
100g	0.44 cups (½ cup)	0.48 cups (½ cup)	0.42 cups (½ cup)
150g	0.66 cups (⅔ cup)	0.72 cups (¾ cup)	0.63 cups (⅔ cup)
200g	0.88 cups (⅞ cup)	0.96 cups (1 cup)	0.85 cups (⅞ cup)
250g	1.1 cups (1 cup)	1.2 cups (1¼ cups)	1.06 cups (1 cup)
500g	2.2 cups (2¼ cups)	2.4 cups (2⅖ cups)	2.11 cups (2 cups)

Conversion Formula

Basic Formula:

Cups = Grams ÷ (Cup Size in mL × Ingredient Density in g/mL)

For US cups (236.6 mL): Cups = Grams ÷ (236.6 × Density)

The conversion between grams and cups depends on the ingredient’s density. Denser ingredients like sugar require more grams to fill a cup compared to lighter ingredients like flour. The formula accounts for both the cup size (typically 236.6 mL for US cups) and the specific density of each ingredient.

Step-by-Step Conversion

Identify your ingredient and find its density. For instance, plain flour has a density of approximately 0.53 g/mL, whilst granulated sugar is about 0.85 g/mL.
Determine the cup size you’re working with. US cups (236.6 mL) are most common in recipes, though metric cups (250 mL) are also used in some regions.
Multiply the cup size by the ingredient density to get grams per cup. For plain flour: 236.6 × 0.53 = 125.4 grams per cup.
Divide your gram amount by this value. If you have 200g of plain flour: 200 ÷ 125.4 = 1.6 cups.
Convert the decimal to a fraction if needed. The result of 1.6 cups equals approximately 1⅗ cups or 1 cup and 9½ tablespoons.

Measurement Considerations

UK vs US Cups

Whilst the US cup is standardised at 236.6 mL (8 fluid ounces), the metric cup used in some Commonwealth countries equals 250 mL. This 13.4 mL difference can affect recipe outcomes, particularly in baking where precision matters. Most online recipes referencing cups use the US measurement, so our converter defaults to this standard.

Spooning vs Scooping Method

Important: How you fill your measuring cup significantly impacts accuracy. The “spoon and level” method (spooning flour into the cup and leveling with a knife) yields different results from the “scoop and sweep” method (dipping the cup directly into flour). Scooping can add 10-15% more flour due to compaction, potentially making baked goods dense or dry.

Ingredient Temperature

Temperature affects ingredient density, particularly for fats like butter. Room-temperature butter is softer and less dense than cold butter, meaning the same weight occupies different volumes. For best results, measure ingredients at the temperature specified in your recipe.

Popular Ingredient Reference

Other Common Ingredients

Ingredient	50g	100g	200g	250g
Rolled Oats	0.56 cups	1.13 cups	2.25 cups	2.82 cups
Rice (Uncooked)	0.28 cups	0.56 cups	1.13 cups	1.41 cups
Cocoa Powder	0.5 cups	1 cup	2 cups	2.5 cups
Honey	0.16 cups	0.33 cups	0.66 cups	0.83 cups
Golden Syrup	0.17 cups	0.35 cups	0.7 cups	0.88 cups
Chocolate Chips	0.31 cups	0.63 cups	1.25 cups	1.56 cups
Chopped Nuts	0.42 cups	0.83 cups	1.67 cups	2.08 cups

Frequently Asked Questions

How many grams are in one cup of flour?

Plain flour (all-purpose flour) contains approximately 125 grams per cup when measured with the spoon-and-level method. Self-raising flour has a similar density at about 125g per cup, whilst wholemeal flour is denser at roughly 140g per cup. The exact amount can vary based on factors such as humidity, how the flour is stored, and your measurement technique.

Why do gram-to-cup conversions differ between ingredients?

Grams measure weight whilst cups measure volume. Different ingredients have different densities, meaning the same volume can have vastly different weights. For example, 1 cup of butter weighs approximately 227g because butter is dense, whilst 1 cup of plain flour weighs only 125g because flour is lighter and contains air pockets.

Should I weigh or measure by volume when baking?

Weighing ingredients in grams is more accurate and reliable than volume measurements. Professional bakers prefer weight measurements because they eliminate variables like how tightly ingredients are packed or how level your measuring cup is. If a recipe provides both measurements, the gram amount will give more consistent results.

Can I use the same conversion for all types of sugar?

No, different sugars have different densities. Granulated and caster sugar are similar at about 200g per cup. Brown sugar is slightly denser due to moisture content, typically 220g per cup when packed. Icing sugar is much lighter at approximately 125g per cup because of its fine, powdery texture and incorporated cornflour.

How do I convert cups to grams?

To convert cups to grams, multiply the number of cups by the ingredient’s grams-per-cup value. For example, if a recipe calls for 2 cups of granulated sugar, multiply 2 by 200 (grams per cup of sugar) to get 400 grams. Each ingredient has its own conversion factor based on density.

Are UK and US cups the same size?

The UK traditionally uses metric measurements rather than cups, but when cups are referenced in UK recipes, they typically refer to the US cup standard of 236.6 mL. The metric cup (250 mL) is used in Australia and New Zealand. This difference, whilst small, can affect precision in baking recipes.

How do I measure sticky ingredients like honey or syrup?

For accurate measurement of sticky ingredients, lightly oil your measuring cup first, which helps the ingredient slide out easily. Alternatively, weigh these ingredients directly in grams for precision. Honey weighs approximately 340g per cup, whilst golden syrup is similar at about 350g per cup.

Does altitude affect ingredient measurements?

Altitude doesn’t significantly affect the gram-to-cup conversion itself, as the relationship between weight and volume remains constant. However, high altitude does affect how ingredients behave in recipes (particularly leavening agents), so you may need to adjust recipe quantities rather than the conversion rate.