Accurate · Simple · For everyday cooking
Convert grams to cups with confidence.
Accurate, ingredient-specific conversions for baking, cooking, and everyday recipes.
7/8 cups
All-Purpose Flour · US cup
100g ÷ 120g per cup = 0.83 cups
13.3
Tbsp
40
Tsp
197.2
mL
3.53
oz
This is an approximate value. Cup measurements can vary based on how the ingredient is packed.
Based on: Spoon into the cup and level with a knife — don't scoop directly from the bag, which packs it down and can add 20–30g.
100g looks very different depending on the ingredient:
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Why different ingredients have different cup weights
A cup is a volume measurement (236.6 mL in the US), but every ingredient has a different density. 100 grams of flour is not the same volume as 100 grams of sugar or butter — that's why an ingredient-specific converter gives you more accurate, consistent results than a single fixed “1 cup = X grams” rule.
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Batch Converter
Convert several ingredients at once — handy for checking a whole ingredient list in one pass.
How It Works
Pick your ingredient
Search or browse our database — each ingredient has its own measured density.
Enter an amount
Type a gram or cup amount, pick a cup standard, and the result updates instantly.
Cook with confidence
Copy the result, or check the formula and conversion table to see exactly how we got there.
Frequently asked questions
Why not just use "1 cup = 120g" for everything?
Because it's only true for a handful of ingredients. A cup of honey, a cup of oats, and a cup of flour all weigh different amounts — using one fixed number for every ingredient is the single biggest source of baking measurement errors.
How accurate are these conversions?
Our figures are standard, widely-published baking references (King Arthur Baking, USDA FoodData Central), typically accurate within about ±10%. For ingredients where precision really matters, weighing on a kitchen scale is always more accurate than converting from cups.
What's the difference between a US cup, a US legal cup, and a metric cup?
They're all close but not identical: a US customary cup is 236.588 mL, a US legal cup (used on nutrition labels) is 240 mL, and a metric cup (used in Australia and some other countries) is 250 mL. Pick the standard your recipe is written for in the converter's cup-standard dropdown.
Can I convert a whole recipe at once?
Yes — use the Recipe Converter tab above, or the batch converter further down the page, to convert several ingredients in one go instead of one at a time.