How much is 1/3 cup of buttermilk in grams?

Reviewed by Shree • Last checked October 2026 • How we measure
Instant Answer Standard Cup Weight

1/3 cup of buttermilk weighs 79.2 grams.

79.2 grams

≈ 2.79 oz (weight)

Level cup, spooned in (not packed)
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1/3 cup cup of Buttermilk weighs 245 grams.

245 grams ≈ 8.64 oz

Nearby buttermilk cup measurements

Compare weight conversions for common cup sizes of buttermilk.

Cup Amount Weight (Grams) Weight (Ounces)
1/4 cup 61g 2.2 oz
1/3 cup Current 82g 2.9 oz
1/2 cup 122g 4.3 oz
2/3 cup 163g 5.8 oz
3/4 cup 184g 6.5 oz
1 cup 245g 8.6 oz
1 1/2 cups 368g 13 oz
2 cups 490g 17.3 oz

1/3 cup of buttermilk in other units

If a recipe calls for 1/3 cup of buttermilk, here is how that exact quantity converts into other volume and weight measurements:

  • • 79.2 grams (g) by weight
  • • 2.79 ounces (oz) by weight (View buttermilk ounces chart →)
  • • 16 tablespoons (tbsp)
  • • 48 teaspoons (tsp)
  • • 8 fluid ounces (fl oz) of volume

How to measure buttermilk accurately

Level cup, spooned in (not packed)

Measuring buttermilk by volume using cups can introduce errors up to 20% due to settling, packing pressure, and variations between measuring cup brands. For dependable, professional baking and cooking results, weighing your ingredients in grams with an inexpensive digital kitchen scale eliminates every inconsistency.

Frequently asked questions

How many grams is 1/3 cup of buttermilk?

1/3 cup of buttermilk weighs 79.2 grams (approximately 2.79 ounces).

How many ounces is 1/3 cup of buttermilk?

1/3 cup of buttermilk weighs approximately 2.79 ounces (79.2g).

How many cups of buttermilk is 100 grams?

100 grams of buttermilk is approximately 0.41 cups.

How do you accurately measure 1/3 cup of buttermilk?

The most accurate way to measure buttermilk is by weight on a digital kitchen scale (79.2g). If measuring with cups, spoon the ingredient lightly into the measuring cup and level off flat with a knife without packing.

← See the full Buttermilk cups to grams conversion chart