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How many grams is ⅔ cup of peanut butter (smooth)?

Answer

172 g

⅔ cup of peanut butter (smooth) is about 172 grams, or 6.1 ounces. That works out from USDA's figure of roughly 258 g for a full US cup (236.6 mL).

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Peanut butter (smooth): cups and spoons to grams

VolumeGramsOunces
¼ cup65 g2.3 oz
⅓ cup86 g3 oz
½ cup129 g4.6 oz
⅔ cup172 g6.1 oz
¾ cup194 g6.8 oz
1 cup258 g9.1 oz
2 cups516 g18.2 oz
1 tablespoon16 g0.57 oz

Source: USDA FoodData Central #174266, Peanut butter, smooth style, with salt (Includes foods for USDA's Food Distribution Program). USDA lists 1 cup = 258 g. Weights are approximate.

Measuring tip

Solid fats are easiest to measure by weight or with the markings on the wrapper. Oils and melted fats can go straight into a liquid measuring cup.

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