Grams to Cups: Peanut butter
1 cup of peanut butter weighs about 258 grams. Convert any amount between grams, cups and spoons below.
100 g of peanut butter = ⅜ cup (0.39 exactly)
How much does 1 cup of peanut butter weigh?
One US cup of peanut butter weighs about 258 grams (9.1 oz). A tablespoon holds about 16.1 g and a teaspoon about 5.4 g.
| Amount | Peanut butter in grams |
|---|---|
| 1 cup | 258 g |
| ¾ cup | 194 g |
| ⅔ cup | 172 g |
| ½ cup | 129 g |
| ⅓ cup | 86 g |
| ¼ cup | 64 g |
| 1 tablespoon | 16.1 g |
| 1 teaspoon | 5.4 g |
Grams to cups peanut butter chart
| Grams | Cups | Decimal cups |
|---|---|---|
| 25 g | ⅛ cup | 0.10 |
| 50 g | ¼ cup | 0.19 |
| 75 g | ¼ cup | 0.29 |
| 100 g | ⅜ cup | 0.39 |
| 125 g | ½ cup | 0.48 |
| 150 g | ⅝ cup | 0.58 |
| 200 g | ¾ cup | 0.78 |
| 250 g | 1 cup | 0.97 |
| 300 g | 1 ⅛ cups | 1.16 |
| 400 g | 1 ½ cups | 1.55 |
| 500 g | 2 cups | 1.94 |
| 750 g | 2 ⅞ cups | 2.91 |
| 1000 g | 3 ⅞ cups | 3.88 |
How to measure peanut butter
Measure solid fats by packing them into a dry cup or using the tablespoon marks on the wrapper. Liquid oils go in a clear measuring jug, read at eye level.
Peanut butter compared with other fats & oils
Different fats & oils weigh different amounts per cup, so never swap one for another by volume without converting.
| Ingredient | 1 cup in grams |
|---|---|
| Butter | 226.8 g |
| Vegetable oil | 218 g |
| Olive oil | 216 g |
| Coconut oil | 218 g |
Frequently asked questions
How many grams are in a cup of peanut butter?
One US cup of peanut butter is about 258 grams.
How many cups is 100 grams of peanut butter?
100 grams of peanut butter is about ⅜ cup (0.39 cups).
How many cups is 250 grams of peanut butter?
250 grams of peanut butter is about 1 cup (0.97 cups).
How many grams in a tablespoon of peanut butter?
A level tablespoon of peanut butter weighs about 16.1 grams.
Other ingredients
Last updated: November 2026. Values use the US cup (236.6 ml) and the spoon-and-level method for dry ingredients.