Peanut Butter in Grams: 1 Cup, ½ Cup, Tablespoon Conversions
1 cup of peanut butter weighs 258 grams. Peanut butter packs unevenly in a cup — natural peanut butter in particular can leave air pockets or be denser depending on how well it's been stirred. For consistent results in baking, weigh it. 1 tablespoon of peanut butter weighs 16 grams.
For the most accurate results, weigh your peanut butter with a digital kitchen scale — the values below assume a level, unpacked cup.
Peanut butter cups to grams
| Cups | Grams | Ounces | Tablespoons |
|---|---|---|---|
| 1/4 cup | 64.5g | 2.3 oz | 4 tbsp |
| 1/3 cup | 85.1g | 3 oz | 5.3 tbsp |
| 1/2 cup | 129g | 4.6 oz | 8.1 tbsp |
| 2/3 cup | 172.9g | 6.1 oz | 10.8 tbsp |
| 3/4 cup | 193.5g | 6.8 oz | 12.1 tbsp |
| 1 cup | 258g | 9.1 oz | 16.1 tbsp |
| 1 1/2 cups | 387g | 13.7 oz | 24.2 tbsp |
| 2 cups | 516g | 18.2 oz | 32.3 tbsp |
Peanut butter ounces to grams
| Ounces | Grams | Cups |
|---|---|---|
| 1 oz | 28.4g | 0.1 cups |
| 2 oz | 56.7g | 0.2 cups |
| 3 oz | 85.1g | 0.3 cups |
| 4 oz | 113.4g | 0.4 cups |
| 6 oz | 170.1g | 0.7 cups |
| 8 oz | 226.8g | 0.9 cups |
| 10 oz | 283.5g | 1.1 cups |
| 12 oz | 340.2g | 1.3 cups |
| 16 oz | 453.6g | 1.8 cups |
Peanut butter tablespoons to grams
| Tablespoons | Grams |
|---|---|
| 16 tablespoons | 256g |
| 12 tablespoons | 192g |
| 8 tablespoons | 128g |
| 4 tablespoons | 64g |
| 2 tablespoons | 32g |
| 1 tablespoon | 16g |
Frequently asked questions
How many grams in 1 cup of peanut butter?
1 cup of peanut butter weighs 258g.
How many grams is 1/4 cup of peanut butter?
1/4 cup of peanut butter weighs 64.5g.
How many grams is 1/3 cup of peanut butter?
1/3 cup of peanut butter weighs 85.14g.
How many grams is 1/2 cup of peanut butter?
1/2 cup of peanut butter weighs 129g.
How many grams is 2 tablespoons of peanut butter?
2 tablespoons of peanut butter weighs 32g.
How many grams is 1 tablespoon of peanut butter?
1 tablespoon of peanut butter weighs 16g.
How many ounces in a cup of peanut butter?
1 cup of peanut butter weighs approximately 9.1 ounces (258g).
How many cups is 100g of peanut butter?
100g of peanut butter is approximately 0.39 cups.
Who is this useful for?
If you're an international cook following US-based recipes, you'll often encounter cup measurements for peanut butter. However, many countries — including those in Europe and Asia — primarily use grams for precision. Converting peanut butter to grams ensures consistent and reliable results, whether you're baking or cooking.
Why accuracy matters for peanut butter
Precision is especially important when using peanut butter in baking and cooking. Even small variations in weight can impact the texture, consistency, and flavour of your dish. For example, too much peanut butter in a recipe can make baked goods dense, while too little may cause them to be too dry or crumbly.
Common mistakes to avoid when cooking with peanut butter
- Using natural peanut butter without stirring, leading to oily or dry results.
- Not adjusting sugar when substituting peanut butter in recipes.
- Using peanut butter with added salt in recipes that call for unsalted versions.