How Many Grams in 2½ Cups of Buttermilk?

Precise conversion for baking and cooking.

The exact weight is
600
grams
2½ cups of buttermilk = 600g  ·  Based on 240g per cup

🔢 Quick Calculator

cups of buttermilk = 600g

Buttermilk — All Cup-to-Gram Conversions

Cups Grams Ounces
⅛ cups 30g 1.1 oz
¼ cups 60g 2.1 oz
⅓ cups 80g 2.8 oz
½ cups 120g 4.2 oz
⅔ cups 160g 5.6 oz
¾ cups 180g 6.3 oz
1 cup 240g 8.5 oz
1¼ cups 300g 10.6 oz
1½ cups 360g 12.7 oz
1¾ cups 420g 14.8 oz
2 cups 480g 16.9 oz
2½ cups 600g 21.2 oz
3 cups 720g 25.4 oz
4 cups 960g 33.9 oz
5 cups 1200g 42.3 oz
💡 Pro Tip: Same weight as regular milk. You can make it with milk + 1 tbsp lemon juice.

Why Weigh Buttermilk in Grams?

When a recipe calls for 2½ cups of buttermilk, using a kitchen scale to measure exactly 600 grams will give you far more consistent results than volume measurement alone. This is because buttermilk can be packed, sifted, or scooped differently each time, leading to weight variations of up to 20%.

How to Measure Buttermilk by Weight

Place your mixing bowl on a digital kitchen scale and press "tare" to zero it out. Then add buttermilk until the scale reads 600g. This method is faster than measuring cups and eliminates the guesswork entirely.

Frequently Asked Questions

2½ cups of buttermilk weighs exactly 600 grams or approximately 21.2 ounces. This is based on a standard US cup measurement of 240 grams per cup.
Yes, the density of buttermilk (240g per cup) is consistent across brands. Minor variations of ±5% may occur depending on grind, moisture, and how the ingredient is packed into the cup — which is exactly why weighing with a scale is recommended.
If measuring by cups, whether you sift can change the weight by 10-20%. When measuring by weight (600g), sifting doesn't affect accuracy since you're targeting an exact gram amount regardless of volume.
This conversion uses the US standard cup (236.6ml, commonly rounded to 240ml). If you're using a metric cup (250ml), the weight will be slightly higher. For perfect accuracy, always use a kitchen scale.

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