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25g Cultured Buttermilk = 1 tbsp + 2 tsp

25 grams of cultured buttermilk equals 1 tbsp + 2 tsp (0.10 US Customary cups, 0.1 Metric 250 mL cups, 24.4 mL, 1.65 tablespoons, or 0.88 oz) when measured poured liquid at a verified density of 242g per US Customary cup.

Exact decimal volume: 0.10 US Customary Cups • 0.1 Metric Cups (250 mL) • 1.65 tbsp • 0.88 oz

Batch
Measuring density
Converted Measure
25 g Cultured Buttermilk (poured liquid) =
1 tbsp + 2 tsp
Physical scoop breakdown0.10 cups
1 tbsp
2 tsp
Edit either side to reverseButtermilk chart →
Grams
25 g
Ounces
0.88 oz
US Cups
1 tbsp + 2 tsp
Metric (250mL)
0.1 c
Tablespoons
1.65 tbsp
Milliliters
24.4 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 25g Cultured Buttermilk

Batch scaling conversion table around 25g 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×) 12.5g (0.44 oz) 2 ½ tsp 12.2 mL
Standard (1×) 25g (0.88 oz) 1 tbsp + 2 tsp 24.4 mL
1.5× Batch 37.5g (1.32 oz) 2 tbsp + 1 ½ tsp 36.7 mL
Double Batch (2×) 50g (1.76 oz) 3 tbsp + 1 tsp 48.9 mL
Triple Batch (3×) 75g (2.65 oz) ¼ cup + 1 tbsp 73.3 mL

Measuring 25g of Cultured Buttermilk in the Kitchen

Because 1 US Customary Cup (236.6 mL) of cultured buttermilk weighs 242g when measured poured liquid, 25 Grams (25g) translates to 0.10 US cups (1 tbsp + 2 tsp). By contrast, using the vigorously shaken cultured buttermilk measure (242g/cup — an identical per-cup density), 25g occupies 1 tbsp + 2 tsp (0.10 cups).

Without a kitchen scale, measure 1 tbsp + 2 tsp (1.65 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 25 grams of cultured buttermilk? ▾

25 grams of cultured buttermilk (poured liquid, 242g per US cup) equals 1 tbsp + 2 tsp (0.10 US Customary Cups, 0.1 Metric 250 mL cups, or 1.65 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.