How many grams in a cup of buttermilk?

1 cup of buttermilk weighs 245 grams (8.6 oz). Half a cup is 123 grams and a tablespoon is about 15 grams. Use the converter for any other amount.

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1 cup of buttermilk weighs

245 g

8.6 oz

Cups of buttermilk to grams

Cups	Grams	Ounces
⅛ cup	31 g	1.1 oz
¼ cup	61 g	2.2 oz
⅓ cup	82 g	2.9 oz
½ cup	123 g	4.3 oz
⅔ cup	163 g	5.8 oz
¾ cup	184 g	6.5 oz
1 cup	245 g	8.6 oz
1½ cups	368 g	13 oz
2 cups	490 g	17.3 oz
3 cups	735 g	25.9 oz
4 cups	980 g	34.6 oz
1 tablespoon	15 g	0.5 oz
1 teaspoon	5.1 g	0.2 oz

Grams of buttermilk to cups

Grams	Cups	In measuring cups and spoons
25 g	0.1	1⅔ tbsp
50 g	0.2	3⅓ tbsp
100 g	0.41	⅓ cup + 1⅓ tbsp
125 g	0.51	½ cup
150 g	0.61	½ cup + 1⅔ tbsp
200 g	0.82	¾ cup + 1 tbsp
250 g	1.02	1 cup + ⅓ tbsp
300 g	1.22	1 cup + 3⅔ tbsp
500 g	2.04	2 cups + ⅔ tbsp
1000 g	4.08	4 cups + 1⅓ tbsp

Measuring buttermilk

Out of buttermilk? Stir 1 tablespoon of lemon juice or vinegar into a cup of milk and let it stand for 5 minutes.

These weights come from the USDA FoodData Central and assume a level US cup of 236.6 milliliters. For example, 1½ cups of buttermilk is 368 grams.

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Frequently asked questions

How many grams is 1 cup of buttermilk?

1 cup of buttermilk weighs 245 grams, or 8.6 ounces, measured in a level US cup.

How many grams is ½ cup of buttermilk?

½ cup of buttermilk weighs 123 grams. ¼ cup weighs 61 grams.

How many grams are in a tablespoon of buttermilk?

1 tablespoon of buttermilk weighs about 15 grams, and 1 teaspoon about 5.1 grams.

How many cups is 100 grams of buttermilk?

100 grams of buttermilk is 0.41 cups, or about ⅓ cup + 1⅓ tbsp.

Last updated November 5, 2026 · Sources: USDA FoodData Central

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