How many cups is 20 grams?
How many cups is 20 grams?
Answer
A cup measures volume and grams measure weight, so 20 grams of different ingredients fills a different number of cups. The table gives all 19 of them, with the packed, sifted and cooked states on rows of their own, each from the weight of one US cup (236.6 ml) in USDA FoodData Central; water is counted from its volume.
| Ingredient | 20 grams in cups | One US cup weighs |
|---|---|---|
| All-purpose flour | 0.16 cups | 125 grams |
| Granulated sugar | 0.1 cups | 200 grams |
| Brown sugar, packed | 0.0909 cups | 220 grams |
| Brown sugar, unpacked | 0.14 cups | 145 grams |
| Powdered sugar, unsifted | 0.17 cups | 120 grams |
| Powdered sugar, sifted | 0.2 cups | 100 grams |
| Butter | 0.0881 cups | 227 grams |
| Water | 0.0845 cups | 236.6 grams |
| Whole milk | 0.082 cups | 244 grams |
| White rice, uncooked | 0.11 cups | 185 grams |
| White rice, cooked | 0.13 cups | 158 grams |
| Rolled oats | 0.25 cups | 81 grams |
| Honey | 0.059 cups | 339 grams |
| Table salt | 0.0685 cups | 292 grams |
| Cocoa powder | 0.23 cups | 86 grams |
| Plain yogurt | 0.0816 cups | 245 grams |
| Olive oil | 0.0926 cups | 216 grams |
| Vegetable oil | 0.0917 cups | 218 grams |
| Heavy cream | 0.084 cups | 238 grams |
| Sour cream | 0.087 cups | 230 grams |
| Peanut butter | 0.0775 cups | 258 grams |
| Cornstarch | 0.16 cups | 128 grams |
How 20 grams of all-purpose flour was converted to cups
A cup is a volume, so its weight depends on the ingredient. One US cup of all-purpose flour weighs 125 grams (one hundred twenty-five), so divide 20 by 125.
20 g ÷ 125 g
=0.16 cups
(zero point one six cups)
The weight of the cup comes from USDA FoodData Central, SR Legacy entry 168894 “Wheat flour, white, all-purpose, enriched, bleached”, portion “1 cup” = 125 grams. Scooped ingredients vary with how they are filled — spooned in lightly, a cup weighs less; packed down, more — so for baking a kitchen scale is the exact tool and this figure the standard reference.
The other way round: how many grams in a cup
This page starts from grams and answers in cups. The opposite question — how many grams a recipe’s cups weigh, fractions like 1/2 and 2 1/2 included — is what the cups to grams converter is for. Both read the same USDA weights, so their numbers agree: one US cup of all-purpose flour is 125 grams there and here.
Related Calculations
See Also
- Cups to Grams - How many grams a US cup of flour, sugar, butter, rice or another ingredient weighs — by USDA data
- Ml to Cups - Convert Milliliters to Cups
- Cups to Ml - Convert Cups to Milliliters
- Grams to Ounces - Convert Grams to Ounces
- Gallons to Pounds - How much a gallon of water, milk, gasoline, diesel, oil or propane weighs in pounds — by density

Grams to US cups for the most asked ingredients
| Grams | All-purpose flour, cups | Granulated sugar, cups | Butter, cups |
|---|---|---|---|
| 10 g | 0.08 cups | 0.05 cups | 0.0441 cups |
| 12 g | 0.096 cups | 0.06 cups | 0.0529 cups |
| 14 g | 0.11 cups | 0.07 cups | 0.0617 cups |
| 15 g | 0.12 cups | 0.075 cups | 0.0661 cups |
| 16 g | 0.13 cups | 0.08 cups | 0.0705 cups |
| 17 g | 0.14 cups | 0.085 cups | 0.0749 cups |
| 18 g | 0.14 cups | 0.09 cups | 0.0793 cups |
| 20 g | 0.16 cups | 0.1 cups | 0.0881 cups |
| 21 g | 0.17 cups | 0.11 cups | 0.0925 cups |
| 22 g | 0.18 cups | 0.11 cups | 0.0969 cups |
| 23 g | 0.18 cups | 0.12 cups | 0.1 cups |
| 24 g | 0.19 cups | 0.12 cups | 0.11 cups |
| 25 g | 0.2 cups | 0.13 cups | 0.11 cups |
| 26 g | 0.21 cups | 0.13 cups | 0.11 cups |
| 27 g | 0.22 cups | 0.14 cups | 0.12 cups |