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Cooking conversion
Ounces of Butter to Cups
How many cups of butter are in a given weight? Type a number of ounces below to see the volume. Math uses butter's density of 0.959 g/mL.
Calculator
100 oz of butter = 12.4949 cup
Ounces of Butter to Cups Conversion Table
Common values for butter:
| Ounces of butter | Cups |
|---|---|
| 10 oz | 1.2495 cup |
| 25 oz | 3.1237 cup |
| 50 oz | 6.2475 cup |
| 100 oz | 12.4949 cup |
| 150 oz | 18.7424 cup |
| 200 oz | 24.9899 cup |
| 250 oz | 31.2374 cup |
| 500 oz | 62.4747 cup |
| 1000 oz | 124.95 cup |
How this works
Butter has a density of about 0.959 g/mL (standard: 1 cup = 227g). That means 1 mL of butter weighs 0.959 grams.
Cups = ounces × 0.1249
Note: Salted or unsalted; same density. 1 stick = 1/2 cup = 113g.
Why a cup of butter doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of butter can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.