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¾ US Cup Cultured Buttermilk = 181.5g

¾ US Cup of cultured buttermilk weighs 181.5 grams (6.4 ounces or 0.4 pounds; 177.4 mL or 12 tablespoons in volume) when measured poured liquid at a verified bulk density of 242g per 236.6 mL US Customary cup.

Imperial weight: 6.4 oz (0.4 lb) • Volume: 177.4 mL (12 tbsp)

Batch
Measuring density
Converted Measure
0.75 US cup Cultured Buttermilk (poured liquid) =
181.5 g
Physical scoop breakdown0.75 cups
1/2 cup
1/4 cup
Edit either side to reverseButtermilk chart →
Grams
181.5 g
Ounces
6.4 oz
US Cups
¾ cup
Metric (250mL)
0.71 c
Tablespoons
12 tbsp
Milliliters
177.4 mL

Kitchen note: Test-kitchen baseline uses poured liquid (242g/cup). Switching to vigorously shaken cultured buttermilk (242g/cup) changes each cup by 0g—use the packing toggle on the scale bench to match your recipe.

Batch Scaling Around ¾ US Cup Cultured Buttermilk

Batch scaling conversion table around ¾ US Cup of Cultured Buttermilk (0.5× to 3× recipe batches in grams, ounces, US cups, and milliliters)
Batch Scale Weight (g / oz) US Cups & Spoons Metric (mL)
Half Batch (0.5×) 90.8g (3.2 oz) ⅓ cup + 2 tsp 88.7 mL
Standard (1×) 181.5g (6.4 oz) ¾ cup 177.4 mL
1.5× Batch 272.3g (9.6 oz) 1 ⅛ cups 266.2 mL
Double Batch (2×) 363g (12.8 oz) 1 ½ cups 354.9 mL
Triple Batch (3×) 544.5g (19.21 oz) 2 ¼ cups 532.3 mL

Measuring ¾ US Cup of Cultured Buttermilk in the Kitchen

Measured poured liquid at a verified bulk density of 242g per US cup, ¾ US cup of cultured buttermilk weighs 181.5 grams (6.4 ounces). Measured using the vigorously shaken cultured buttermilk method (242g/cup), that same ¾ cup holds 181.5g — virtually identical weight in your mixing bowl.

Shake container vigorously before pouring to reconstitute settled cultured curds into a creamy fluid.

Source note: USDA FoodData Central #171271 & King Arthur standard (242g/cup)

Frequently Asked Questions

How many grams is ¾ cup of cultured buttermilk? ▾

¾ US Cup of cultured buttermilk measured poured liquid weighs 181.5 grams (6.4 ounces).

Why does buttermilk produce exceptionally tender baked goods? ▾

Lactic acid weakens gluten networks and reacts vigorously with alkaline baking soda, generating carbon dioxide lift and a soft crumb.

Can you freeze leftover buttermilk for future baking? ▾

Yes, freeze in 1/2-cup portions or ice cube trays; thaw and whisk to blend before mixing into batters.