3 oz of Peanut Butter to Cups
3 ounces of peanut butter = ⅓ cup
That's 0.33 US cups, or 0.31 metric cups (250 ml).
3 ounces of peanut butter in other units
- Grams
- 85
- US cups
- 0.33
- Metric cups (250 ml)
- 0.31
- Tablespoons
- 5.27
- Milliliters
- 78
How to convert ounces of peanut butter to cups
Weight ounces first become grams (1 oz = 28.35 g), so 3 oz = 85 g. One US cup of peanut butter weighs 258 g, so 85 ÷ 258 = 0.33 cups.
Chopped, whole and ground nuts weigh very different amounts per cup – check which one your recipe means.
Peanut Butter: ounces to cups chart
| Ounces | Cups | Exact |
|---|---|---|
| 1 ounce | about 1¾ tablespoons | 0.11 cups |
| 2 ounces | about 3½ tablespoons | 0.22 cups |
| 3 ounces | ⅓ cup | 0.33 cups |
| 4 ounces | about ½ cup | 0.44 cups |
| 5 ounces | about ½ cup | 0.55 cups |
| 6 ounces | about ⅔ cup | 0.66 cups |
| 8 ounces | about ⅞ cup | 0.88 cups |
| 10 ounces | about 1⅛ cups | 1.1 cups |
| 12 ounces | about 1⅓ cups | 1.32 cups |
| 16 ounces | about 1¾ cups | 1.76 cups |
3 ounces of other ingredients
The same amount weighs very different things depending on the ingredient:
| Ingredient | Cups | Exact |
|---|---|---|
| Cocoa Powder | 1 cup | 1 cups |
| Chocolate Chips | ½ cup | 0.5 cups |
| Chopped Walnuts | about ¾ cup | 0.71 cups |
| Chopped Pecans | ¾ cup | 0.75 cups |
| Whole Almonds | about ⅝ cup | 0.59 cups |
| Raisins | about ⅝ cup | 0.57 cups |
| Dried Cranberries | about ¾ cup | 0.71 cups |
| Shredded Coconut | 1 cup | 1 cups |
| Mini Marshmallows | about 1⅔ cups | 1.7 cups |
| All-Purpose Flour | about ⅔ cup | 0.68 cups |
| Bread Flour | ⅔ cup | 0.67 cups |
| Almond Flour | about ⅞ cup | 0.89 cups |
| Granulated Sugar | about ⅜ cup | 0.43 cups |
| Brown Sugar | about ⅜ cup | 0.39 cups |
More peanut butter conversions
- All peanut butter conversions
- 100 grams of peanut butter to cups
- 1 cup of peanut butter to grams
- 1 tablespoon of peanut butter to grams
Frequently asked questions
How many cups is 3 ounces of peanut butter?
3 ounces of peanut butter is ⅓ cup, based on 258 g per level US cup.
Is it different with a UK or Australian cup?
Slightly. UK, Australian and New Zealand recipes use a 250 ml metric cup, which is about 6% bigger than a US cup (236.6 ml). In metric cups, 3 ounces of peanut butter is 0.31 cups.
Should I weigh peanut butter or measure it by volume?
Chopped, whole and ground nuts weigh very different amounts per cup – check which one your recipe means. Weighing is always more accurate, which is why grams are the safest choice for baking.