How Many Grams in a Cup of Chocolate Chips: 170, With Caveats
One cup of standard semi-sweet chocolate chips weighs 170 grams, which is 6 ounces. That is the number nearly every baking chart converges on, and it is the one to memorize. But if you have ever seen a chart say 175 or 180, you are not imagining things. The number moves, and the reasons are worth knowing before you trust any single figure.
| Cups | Grams | Ounces |
|---|---|---|
| 1/4 cup | 42 g | 1.5 oz |
| 1/3 cup | 57 g | 2 oz |
| 1/2 cup | 85 g | 3 oz |
| 2/3 cup | 113 g | 4 oz |
| 3/4 cup | 128 g | 4.5 oz |
| 1 cup | 170 g | 6 oz |
| 1 1/2 cups | 255 g | 9 oz |
| 2 cups | 340 g | 12 oz |
The bag math falls out of the same number. A standard 12-ounce bag of chocolate chips holds about 2 cups, roughly 340 grams. That is why so many cookie recipes call for "one 12-ounce bag" and "2 cups" interchangeably. They are the same thing, rounded.
Why do chocolate chip weight charts disagree
Three things move the number. First, chip size. Mini chips pack more tightly into a cup than standard chips, so a cup of minis can weigh slightly more or less depending on the brand, and the only honest answer is to weigh your specific bag. Second, how you fill the cup. Scooped and packed versus spooned and leveled can swing the weight by 10 grams or more, which is exactly the flour problem we covered in our piece on why a cup of flour weighs different amounts. Third, the type. Milk and white chocolate chips run a little lighter per cup than semi-sweet in most charts, usually cited around 150 to 160 grams.
Here is my practical rule. For cookies, brownies, and anything where the chips are a mix-in, 170 grams per cup is plenty accurate; a 10-gram swing will not change the outcome. For ganache, where the chocolate-to-cream ratio is the whole recipe, weigh the chocolate on a scale and ignore the cup entirely. A ten-dollar kitchen scale ends every version of this argument, and it is the single best upgrade a cup-measure baker can make.
The converter on this site's homepage handles the arithmetic for any amount, including the odd fractions like 2/3 cup that nobody wants to multiply by hand. But the number to carry in your head is 170. Everything else is commentary.
Frequently asked questions
How many grams are in one cup of chocolate chips?
About 170 grams, or 6 ounces, for standard semi-sweet chocolate chips spooned into a level cup.
How many cups are in a 12-ounce bag of chocolate chips?
About 2 cups, roughly 340 grams. That is why recipes use 'one 12-ounce bag' and '2 cups' interchangeably.
Do mini chocolate chips weigh the same per cup?
Not exactly. Chip size changes how tightly they pack, so a cup of mini chips can weigh slightly more or less than 170 grams depending on the brand. Weigh them for accuracy.
Why do different charts list different weights?
Packing method, chip size, brand, and rounding. Scooped versus spooned filling alone can swing the weight by 10 grams or more.
Related: How Many Grams in a Cup of Flour? AP, Bread, Cake & Whole Wheat · How Many Grams in a Cup of Butter? (Plus Sticks, Tablespoons, and the UK Trap) · Why Your Cup of Flour Weighs Different Every Time (and the Two-Minute Fix)
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