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Cooking conversion
Ounces of Peanut Butter to Cups
How many cups of peanut butter are in a given weight? Type a number of ounces below to see the volume. Math uses peanut butter's density of 1.083 g/mL.
Calculator
100 oz of peanut butter = 11.0643 cup
Ounces of Peanut Butter to Cups Conversion Table
Common values for peanut butter:
| Ounces of peanut butter | Cups |
|---|---|
| 10 oz | 1.1064 cup |
| 25 oz | 2.7661 cup |
| 50 oz | 5.5322 cup |
| 100 oz | 11.0643 cup |
| 150 oz | 16.5965 cup |
| 200 oz | 22.1286 cup |
| 250 oz | 27.6608 cup |
| 500 oz | 55.3216 cup |
| 1000 oz | 110.64 cup |
How this works
Peanut butter has a density of about 1.083 g/mL (usda: 1 cup = 256g). That means 1 mL of peanut butter weighs 1.083 grams.
Cups = ounces × 0.1106
Note: Smooth, full-fat.
Why a cup of peanut butter doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of peanut 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.