Instantly convert between grams and cups for 30+ cooking ingredients with accurate density-based calculations.
Our gram to cup converter uses density-based calculations for accurate conversions. Since a cup measures volume and a gram measures weight, the conversion depends on the ingredient's density.
The formula is simple: Cups = Grams ÷ (grams per cup). Each ingredient has a unique density — for example, 1 cup of flour weighs about 125g, while 1 cup of sugar weighs about 200g.
A common mistake is treating all ingredients equally when converting between grams and cups. 100 grams of all-purpose flour fills nearly a full cup (0.80 cups), while 100 grams of honey is only about 0.30 cups.
This is because flour is light and airy, while honey is dense and heavy. Our calculator accounts for these differences to ensure your recipes turn out perfect every time.
Quick reference for the most frequently searched cooking measurement conversions.
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100 grams of all-purpose flour is approximately 0.80 cups. This is based on a density of about 125 grams per cup for spooned and leveled flour.
Use our calculator! Simply select your ingredient and enter the grams. The tool uses accurate density data to give you the cup equivalent — no scale needed for the conversion itself. However, for the most precise baking, a digital kitchen scale is always recommended.
Because cups measure volume and grams measure weight. Flour is lighter and fluffier than sugar, so it takes fewer grams of flour to fill a cup compared to sugar. One cup of all-purpose flour weighs about 125g, while one cup of granulated sugar weighs about 200g.
Yes! Click the swap button (↕) at the top of the calculator to switch between Grams → Cups and Cups → Grams mode. The conversion happens instantly.
Our converter uses US customary cups (236.59 mL), which is the most commonly used cup measurement in recipes worldwide. The grams-per-cup values are calibrated for US cups with ingredients spooned and leveled.