Peanut butter: grams to cups

One cup of peanut butter weighs 258 grams. 100 g is ⅜ cup (0.39). 300 g is 1 ⅛ cups (1.16).

  • 80 grams

    ¼ cup

    0.31 cups

  • 100 grams

    ⅜ cup

    0.39 cups

  • 200 grams

    ¾ cup

    0.78 cups

  • 300 grams

    1 ⅛ cups

    1.16 cups

1 cup
0.97 cups · 8.8 oz

Worth knowing. A level tablespoon is 16 g, the figure on the jar. King Arthur lists 270 g per cup; natural peanut butter that separates weighs less until you stir the oil back in.

Density reference: USDA FoodData Central

Peanut butter conversion chart

GramsCupsOunces
50 g¼1.8 oz
80 g¼2.8 oz
100 g⅜3.5 oz
125 g½4.4 oz
150 g⅝5.3 oz
200 g¾7.1 oz
250 g18.8 oz
300 g1 ⅛10.6 oz
375 g1 ½13.2 oz
500 g217.6 oz
1000 g3 ⅞35.3 oz

Worth knowing. A level tablespoon is 16 g, the figure on the jar. King Arthur lists 270 g per cup; natural peanut butter that separates weighs less until you stir the oil back in.

Density reference: USDA FoodData Central

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