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How Much Is 8.45 Fluid Ounces of Buttermilk in Grams?

Converting 8.45 fluid ounces of buttermilk to grams gives 258.78 g. One fluid ounce of buttermilk weighs 30.63g, so 8.45 fluid ounces is 8.45 × 30.63 = 258.78g. This conversion is specific to buttermilk because each ingredient has a different density.

8.45 fluid ounces of buttermilk
=
258.78g
Result using all fluid ounce standards info
258.78 g (US) 248.62 g (UK Fluid Ounce)
8.45 fluid ounces of buttermilk is also
258.78

Formula and Step-by-Step

fluid ounces × 30.63g/fl oz = grams
  1. Start with 8.45 fluid ounces of buttermilk
  2. 1 fluid ounce of buttermilk = 30.63g
  3. 8.45 × 30.63 = 258.78g

The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.

Measuring Tip

For liquids, place your measuring cup on a flat surface and read at eye level. The bottom of the meniscus (the curve at the surface) should align with the measurement line.

Buttermilk at Different Amounts

How buttermilk scales across common fluid ounces measurements. Your amount (8.45 fluid ounces) is highlighted.

4 fl oz122.5 g5 fl oz153.13 g6 fl oz183.75 g8 fl oz245 g8.45 fl oz258.78 g10 fl oz306.25 g12 fl oz367.5 g16 fl oz490 g

For reference, 8.45 fluid ounces of buttermilk (258.78g) is close in weight to a cup of water (237g).

Other Amounts of Buttermilk

Fluid Ounces US Grams UK Fluid Ounce
1 fluid ounce 30.63 g 29.42 g
2 fluid ounces 61.25 g 58.85 g
3 fluid ounces 91.88 g 88.27 g
4 fluid ounces 122.50 g 117.69 g
5 fluid ounces 153.13 g 147.11 g
6 fluid ounces 183.75 g 176.54 g
8 fluid ounces 245.00 g 235.38 g
8.45 fluid ounces 258.78 g 248.62 g
10 fluid ounces 306.25 g 294.23 g
12 fluid ounces 367.50 g 353.07 g
16 fluid ounces 490.00 g 470.76 g

Understanding the Units

What is a Fluid Ounce?

The US fluid ounce (29.574 ml) and the UK fluid ounce (28.413 ml) are different sizes. The UK version is about 4% smaller. This means a UK recipe calling for 8 fl oz gives you 227 ml, while 8 US fl oz gives you 237 ml. The difference is small per ounce but adds up in larger quantities.

What is a Gram?

Grams are the preferred unit in professional kitchens and bakeries because they allow exact recipe scaling. To double a recipe, simply double the gram values. No need to worry about how tightly an ingredient is packed into a cup.

Frequently Asked Questions

About 258.78 g, based on buttermilk having a density of 245g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of fluid ounces by 30.63 (grams per fluid ounce for buttermilk). For 8.45 fluid ounces: 8.45 × 30.63 = 258.78 g.
For the most accurate results, weigh buttermilk on a kitchen scale. If measuring by volume, use a liquid measuring cup on a flat surface and read the level at eye height.
Temperature has a minimal effect on most cooking liquids. The density of buttermilk changes slightly with temperature, but the difference is usually less than 1-2% between refrigerator and room temperature. This conversion assumes room temperature.
Reverse the conversion: 258.78 g ÷ 30.63 = 8.45 fluid ounces. Or use the Grams to Fluid Ounces converter.