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CrumbCalc

How Many Grams in a Cup of Buttermilk?

1 cup of buttermilk weighs 245 grams. Every other measure is below, in both directions.

1 cup of buttermilk

245 g

≈ 8.64 oz

Data & method: This figure departs from the King Arthur chart; the source it uses instead is named under “Where this number comes from” below. An automated test pins the figure to that published source. How we calculate →

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Result

245 g

Buttermilk: 245 g per cup

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Buttermilk: cups to grams chart

Buttermilk Grams Ounces
¼ cup 61 g 2.16 oz
⅓ cup 82 g 2.88 oz
½ cup 123 g 4.32 oz
⅔ cup 163 g 5.76 oz
¾ cup 184 g 6.48 oz
1 cup 245 g 8.64 oz
1½ cups 368 g 12.96 oz
2 cups 490 g 17.28 oz
3 cups 735 g 25.93 oz
1 tablespoon 15 g 0.54 oz
1 teaspoon 5.1 g 0.18 oz

Grams to cups: buttermilk

Working the other way — a recipe in grams, and cups are what you have in the drawer:

Grams of buttermilk Cups (approx.)
50 g ⅙ cup
100 g ⅜ cup
125 g ½ cup
200 g ⅚ cup
250 g 1 cup
500 g 2.04 cups

Where this number comes from

Most of our weights are the King Arthur Baking chart figure, unchanged. This one is not, and it is worth saying why: USDA FoodData Central (FDC 170874, cultured buttermilk) lists 1 cup = 245 g. King Arthur's chart lists a flat 227 g for every liquid.

Every value we don't depart on is locked to the chart by a test, and each departure is pinned to the publication it names, so this list stays short and deliberate — you can read all of them on the methodology page.

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Frequently Asked Questions

How many grams is 1 cup of buttermilk?

One US cup of buttermilk weighs 245 grams (about 8.64 ounces). USDA FoodData Central (FDC 170874, cultured buttermilk) lists 1 cup = 245 g. King Arthur's chart lists a flat 227 g for every liquid.

How many grams is a tablespoon of buttermilk?

A tablespoon of buttermilk is about 15 grams, since one cup holds 16 tablespoons. A teaspoon is about 5.1 grams.

How many cups is 250 g of buttermilk?

250 grams of buttermilk is about 1 cup (250 ÷ 245). Weighing is more reliable than measuring by cup.