170 g of white chocolate chips is 1 cup. That is the whole answer: one US cup of white chocolate chips weighs 170 g (spooned and levelled, King Arthur Baking), so 170 g divided by 170 g per cup is exactly 1 cup. All the figures on this page are approximate — white chocolate chips is a natural product, and how it is measured moves the weight of a cup by a few grams — so when the recipe is delicate, verify with a kitchen scale. For everyday cooking, 1 cup is the number to use.

This page is the reverse of the usual conversion: most recipes list white chocolate chips in cups and the cook wants grams, but here the recipe, the packet or the scale gives grams and the cook has only cup measures. That happens more often than people expect — imported recipes, nutrition labels, bulk packs and meal-prep plans all speak in grams, while American cup measures are what is actually in the drawer. The conversion is one division, 170 ÷ 170 = 1, and the table below runs the same division for the amounts that come up most often.

170 grams of white chocolate chips in cups — conversion table

Grams Cups (approx.)
10 g 0.06 (0 cups)
25 g 0.15 cups
50 g 0.29 cups
75 g 0.44 cups
100 g 0.59 cups
125 g 0.74 (3/4 cups)
150 g 0.88 (7/8 cups)
200 g 1.18 cups
250 g 1.47 (1 1/2 cups)
300 g 1.76 (1 3/4 cups)
400 g 2.35 (2 1/3 cups)
500 g 2.94 (3 cups)

Read the table from left to right: find the grams you have, and the cups column tells you how much that is, approximately. A quarter of a cup is 42 g, half a cup is 85 g, and three quarters is 128 g. For amounts between the rows, divide the grams by 170: for example, 128 g is 0.75 (3/4 cups), and 255 g is 1.50 (1 1/2 cups). The same 170 g figure works in the other direction too — multiply cups by 170 to get grams — and the second table runs that calculation for the common cup fractions.

Cups Grams (approx.)
1/4 cup 42 g
1/3 cup 57 g
1/2 cup 85 g
2/3 cup 113 g
3/4 cup 128 g
1 cup 170 g
1 1/2 cups 255 g
2 cups 340 g

Scaling a spice blend for a market stall or a big batch

A rub or curry powder made in bulk from a recipe written in grams. Take the 85 g figure first: 85 g of white chocolate chips is 0.50 (1/2 cups), because 85 divided by 170 is 0.50. In practice that means a recipe calling for 0.50 (1/2 cups) can be weighed out as 85 g and poured or spooned straight in, with no jug to wash. The habit to build is converting once, writing the cup figure on the recipe, and then cooking from the cups — the scale only comes out for the first batch, and after that the converted recipe is a cup recipe. If the amount is awkward, round to the nearest tablespoon: one tablespoon of white chocolate chips weighs about 10.6 g, so a couple of spoonfuls either way covers most rounding gaps without anyone noticing in the finished dish.

A bakery that buys leavener by the kilo

A professional kitchen converting a bulk bag into cup measures for a daily bake. Take the 255 g figure first: 255 g of white chocolate chips is 1.50 (1 1/2 cups), because 255 divided by 170 is 1.50. In practice that means a recipe calling for 1.50 (1 1/2 cups) can be weighed out as 255 g and poured or spooned straight in, with no jug to wash. The habit to build is converting once, writing the cup figure on the recipe, and then cooking from the cups — the scale only comes out for the first batch, and after that the converted recipe is a cup recipe. If the amount is awkward, round to the nearest tablespoon: one tablespoon of white chocolate chips weighs about 10.6 g, so a couple of spoonfuls either way covers most rounding gaps without anyone noticing in the finished dish.

A preserving or pickling recipe written in grams

A spice mix where the exact balance keeps the flavour right across dozens of jars. Take the 340 g figure first: 340 g of white chocolate chips is 2.00 (2 cups), because 340 divided by 170 is 2.00. In practice that means a recipe calling for 2.00 (2 cups) can be weighed out as 340 g and poured or spooned straight in, with no jug to wash. The habit to build is converting once, writing the cup figure on the recipe, and then cooking from the cups — the scale only comes out for the first batch, and after that the converted recipe is a cup recipe. If the amount is awkward, round to the nearest tablespoon: one tablespoon of white chocolate chips weighs about 10.6 g, so a couple of spoonfuls either way covers most rounding gaps without anyone noticing in the finished dish.

Common mistakes with white chocolate chips conversions

The classic error is scooping a spice straight from the jar with the measuring cup: fine powders compact, so a scooped cup can weigh far more than a spooned and levelled one. Always spoon the powder into the cup and level it with a knife. A second error is measuring a damp spice, like a spice stored above the stove, which clumps and weighs more per cup. Keep spices dry and shake out clumps before measuring.

A second mistake is subtler: converting in the wrong direction. This page answers grams to cups, so the operation is division — grams divided by 170. The reverse page, cups to grams, multiplies instead. Mixing the two up turns 170 g into 28,900 g, which is obviously wrong, but in the middle of a busy cook it happens more often than anyone admits. The check is the table below: if the cup figure for 170 g is not 1, something has gone wrong, and the arithmetic deserves a second look.

A third mistake is rounding too early. Dividing 170 g by 170 g per cup gives exactly 1 cup, but most real amounts do not divide so neatly, and rounding to one decimal place before multiplying back can drift the answer. Keep two decimal places while you work, round only at the end, and remember that a tablespoon of white chocolate chips weighs about 10.6 g — the tablespoon is the natural rounding unit in the kitchen, and it keeps the error smaller than a measuring spoon.

About white chocolate chips

Sweet chips made from cocoa butter, milk and sugar. Cookies, blondies, bark and decorating. Store it well — cool, dry place, up to 1 year. — and the conversion stays reliable for the life of the packet.

Frequently asked questions

Does humidity change the weight?

Yes — powders absorb moisture from the air, especially above a stove or in a steamy kitchen, and clump. Store white chocolate chips in an airtight jar in a cool, dry place and the conversion stays stable.

Can I use volume instead of weight for white chocolate chips?

For a pinch or a teaspoon, volume is fine. For a whole cup or a bulk batch, weigh it: a cup of powder is the least reliable measure in the kitchen.

How many cups is 170 g of white chocolate chips?

About 1 cup — 170 g divided by 170 g per cup. The figure is approximate, because fine powders compact differently depending on how they are spooned.

Would I ever really need a whole cup of white chocolate chips?

In a home recipe, almost never — white chocolate chips is used by the teaspoon. A full cup is a bulk-cooking quantity, for spice blends, restaurant batches or preserving, where grams are converted to cups for a large mixing bowl.

How should I measure white chocolate chips for a normal recipe?

By weight or by spoon, never by the cup. One tablespoon of white chocolate chips weighs about 10.6 g, which is the practical unit for everyday cooking.

Related conversions