Grams to Cups Converter (g to cups)

How to Convert Grams to Cups

Grams (g) measure weight. US cups measure volume. Since different ingredients have different densities, the same weight of two ingredients fills different amounts of a measuring cup.

The conversion is a two-step process:

How Many Cups Is…? — Popular Answers

These are the most commonly searched gram-to-cup conversions for baking and cooking:

Ingredient	50g	100g	150g	200g	250g	500g
All-Purpose Flour	0.40 cups	0.80 cups	1.20 cups	1.59 cups	1.99 cups	3.99 cups
Granulated Sugar	0.25 cups	0.50 cups	0.75 cups	0.99 cups	1.24 cups	2.49 cups
Powdered Sugar	0.38 cups	0.75 cups	1.13 cups	1.51 cups	1.89 cups	3.77 cups
Brown Sugar (packed)	0.23 cups	0.45 cups	0.68 cups	0.91 cups	1.14 cups	2.27 cups
Butter	0.23 cups	0.46 cups	0.70 cups	0.93 cups	1.16 cups	2.32 cups
Honey	0.15 cups	0.30 cups	0.45 cups	0.59 cups	0.74 cups	1.49 cups
Cocoa Powder	0.41 cups	0.81 cups	1.22 cups	1.63 cups	2.03 cups	4.06 cups
Rolled Oats	0.59 cups	1.17 cups	1.76 cups	2.35 cups	2.94 cups	5.87 cups
Rice (uncooked)	0.25 cups	0.50 cups	0.75 cups	0.99 cups	1.24 cups	2.49 cups
Water	0.21 cups	0.42 cups	0.63 cups	0.85 cups	1.06 cups	2.11 cups

Cup Subdivisions — Quick Reference

US recipes often use fractions of cups. Here's how they convert to other volume units:

Measurement	Cups	Tablespoons	Teaspoons	Milliliters
1 cup	1	16	48	236.59 mL
3/4 cup	0.75	12	36	177.44 mL
2/3 cup	0.667	10⅔	32	157.73 mL
1/2 cup	0.5	8	24	118.29 mL
1/3 cup	0.333	5⅓	16	78.86 mL
1/4 cup	0.25	4	12	59.15 mL
1/8 cup	0.125	2	6	29.57 mL

US Cup vs. Metric Cup vs. Japanese Cup

Not all "cups" are the same:

• US customary cup = 236.588 mL (used in American recipes — this is what our calculator uses)
• US legal cup = 240 mL (used on US nutrition labels)
• Metric cup = 250 mL (used in Australia, New Zealand, Canada)
• Japanese cup = 200 mL (used in Japanese cooking)
• Imperial cup = 284.131 mL (historical British measurement, rarely used today)

This matters: 200g of flour is 1.59 US cups, but only 1.51 metric cups, and 1.89 Japanese cups. Always check which cup standard your recipe uses.

When to Convert Grams to Cups

• Following metric recipes with US measuring tools: European, Australian, and professional baking recipes specify ingredients in grams. If you only own a set of measuring cups and spoons, you need to convert grams to cups.
• Scaling baking recipes: A recipe might call for "2 cups of flour," but if you're halving or doubling it, calculating in grams first (then converting back to cups) prevents rounding errors.
• Comparing nutritional information: US nutrition labels specify serving sizes in grams, but your mental reference might be in cups. Knowing that a 30g serving of cereal = about 1 cup helps you visualize portion sizes.
• Meal planning and portioning: When you have a 500g bag of flour and need to know how many cups that gives you (about 4 cups), gram-to-cup conversion helps plan how many batches you can make.

Common Mistakes When Converting Grams to Cups

• "1 cup = 240g for everything" — This only works for water. 1 cup of flour is about 126g, and 1 cup of honey is about 337g. The weight per cup varies wildly by ingredient.
• Using the wrong cup size — If an Australian recipe says "1 cup," they mean 250 mL (metric cup), not 236.59 mL (US cup). That's a 5.7% difference, which matters in precision baking.
• Not accounting for how you scoop — A "cup of flour" can weigh 120g (spooned and leveled) or 150g (scooped and packed). Professional recipes in grams eliminate this ambiguity entirely.
• Confusing weight ounces and fluid ounces — 1 cup = 8 fluid ounces (volume). But 1 cup of flour weighs about 4.4 ounces (weight). These are different measurements.