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16 oz (1 lb) Cultured Buttermilk = 1 ¾ cups + 2 tbsp

16 oz (1 lb) (453.6 grams) of cultured buttermilk equals 1 ¾ cups + 2 tbsp (1.87 US Customary cups, 1.77 Metric 250 mL cups, 443.4 mL, or 29.99 tablespoons) when measured poured liquid at a verified density of 242g per US Customary cup.

Metric weight: 453.6g • Exact volume: 1.87 US Cups • 1.77 Metric Cups • 29.99 tbsp

Batch
Measuring density
Converted Measure
16 oz Cultured Buttermilk (poured liquid) =
1 ¾ US Cups + 2 tbsp
Physical scoop breakdown1.87 cups
1 cup
1/2 cup
1/4 cup
×2
2 tbsp
Edit either side to reverseButtermilk chart →
Grams
453.6 g
Ounces
16 oz
US Cups
1 ¾ cups + 2 tbsp
Metric (250mL)
1.77 c
Tablespoons
29.99 tbsp
Milliliters
443.4 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 16 oz (1 lb) Cultured Buttermilk

Batch scaling conversion table around 16 oz (1 lb) 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×) 226.8g (8 oz) ¾ cup + 3 tbsp 221.7 mL
Standard (1×) 453.6g (16 oz) 1 ¾ cups + 2 tbsp 443.4 mL
1.5× Batch 680.4g (24 oz) 2 ¾ cups + 1 tbsp 665.2 mL
Double Batch (2×) 907.2g (32 oz) 3 ¾ cups 886.9 mL
Triple Batch (3×) 1360.8g (48 oz) 5 ½ cups + 2 tbsp 1330.3 mL

Measuring 16 oz (1 lb) of Cultured Buttermilk in the Kitchen

Because 1 US Customary Cup (236.6 mL) of cultured buttermilk weighs 242g when measured poured liquid, 16 Ounces (453.6g) translates to 1.87 US cups (1 ¾ cups + 2 tbsp). By contrast, using the vigorously shaken cultured buttermilk measure (242g/cup — an identical per-cup density), 16 oz occupies 1 ¾ cups + 2 tbsp (1.87 cups).

Without a kitchen scale, measure 1 ¾ cups + 2 tbsp (29.99 tablespoons total) using poured liquid technique. 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 cups is 16 ounces (16 oz) of cultured buttermilk? ▾

16 ounces (453.6 grams) of cultured buttermilk (poured liquid, 242g per US cup) equals 1 ¾ cups + 2 tbsp (1.87 US Customary Cups, 1.77 Metric 250 mL cups, or 29.99 tablespoons).

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.