How Much Is 6.64 Cups of Butter in Ounces?
6.64 cups of butter equals 53.17 oz. Butter has a density of 227g per cup (227g per cup), which means it's relatively heavy compared to other common cooking ingredients. For comparison, 6.64 cups of all-purpose flour would be 29.31 oz.
Formula and Step-by-Step
- Start with 6.64 cups of butter
- 1 cup of butter = 227g
- 6.64 × 227 = 1,507.28g
- Convert grams to ounces: 1,507.28 ÷ 28.3495 = 53.17 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Softened butter and melted butter measure differently by volume. Melted butter settles with no air pockets, giving a slightly higher weight per cup.
Butter at Different Amounts
How butter scales across common cups measurements. Your amount (6.64 cups) is highlighted.
For reference, 6.64 cups of butter (1,507.28g) is close in weight to a laptop (1,500g).
Other Amounts of Butter
| Cups | US Ounces | Metric Cup | Imperial Cup |
|---|---|---|---|
| 0.25 cups | 2.00 oz | 2.12 oz | 2.40 oz |
| 0.33 cups | 2.64 oz | 2.79 oz | 3.17 oz |
| 0.5 cups | 4.00 oz | 4.23 oz | 4.81 oz |
| 0.75 cups | 6.01 oz | 6.35 oz | 7.21 oz |
| 1 cup | 8.01 oz | 8.46 oz | 9.62 oz |
| 1.5 cups | 12.01 oz | 12.69 oz | 14.42 oz |
| 2 cups | 16.01 oz | 16.92 oz | 19.23 oz |
| 3 cups | 24.02 oz | 25.38 oz | 28.85 oz |
| 4 cups | 32.03 oz | 33.84 oz | 38.47 oz |
| 5 cups | 40.04 oz | 42.31 oz | 48.08 oz |
| 6.64 cups | 53.17 oz | 56.18 oz | 63.85 oz |
Understanding the Units
What is a Cup?
A cup is a US customary unit of volume equal to 236.588 milliliters or 8 fluid ounces. It is the most common volume measurement in American recipes. One cup can be divided into 16 tablespoons or 48 teaspoons.
What is an Ounce?
An ounce (oz) is a US customary unit of weight equal to 28.3495 grams or 1/16 of a pound. In cooking, "ounces" refers to weight (avoirdupois ounces), not fluid ounces which measure volume.