How Much Is 12 Ounces of Peanut Butter in Cups?
Converting 12 ounces of peanut butter to cups gives 1.32 cups. First convert to grams (12 oz = 340.19g), then divide by the density of peanut butter (258g per cup). Each ingredient fills a different volume at the same weight.
Formula and Step-by-Step
- Start with 12 ounces of peanut butter
- Convert ounces to grams: 12 × 28.35 = 340.19g
- 1 cup of peanut butter = 258g
- 340.19g ÷ 258g/cup = 1.32 cups
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
Peanut butter weighs 258g per cup. Natural and processed versions may have slightly different densities.
Peanut Butter at Different Amounts
How peanut butter scales across common ounces measurements. Your amount (12 ounces) is highlighted.
Other Amounts of Peanut Butter
| Ounces | US Cups | Metric Cup | Imperial Cup |
|---|---|---|---|
| 1 ounce | 0.11 cups | 0.10 cups | 0.09 cups |
| 2 ounces | 0.22 cups | 0.21 cups | 0.18 cups |
| 3 ounces | 0.33 cups | 0.31 cups | 0.27 cups |
| 4 ounces | 0.44 cups | 0.42 cups | 0.37 cups |
| 5 ounces | 0.55 cups | 0.52 cups | 0.46 cups |
| 6 ounces | 0.66 cups | 0.62 cups | 0.55 cups |
| 8 ounces | 0.88 cups | 0.83 cups | 0.73 cups |
| 10 ounces | 1.10 cups | 1.04 cups | 0.91 cups |
| 12 ounces | 1.32 cups | 1.25 cups | 1.10 cups |
| 16 ounces | 1.76 cups | 1.66 cups | 1.46 cups |
Understanding the Units
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.
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.