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Dense and sticky. Natural vs commercial peanut butter can vary in density. Weighing ensures accurate results in cookies and sauces.
1 cup =
258
grams
All values calculated using the actual density of Peanut Butter (1.09 g/ml).
¼ cup
65g
2.3 oz
⅓ cup
86g
3.0 oz
½ cup
129g
4.6 oz
⅔ cup
172g
6.1 oz
¾ cup
194g
6.8 oz
1 cup
258g
9.1 oz
1½ cups
387g
13.7 oz
2 cups
516g
18.2 oz
1 tablespoon
16g
1 teaspoon
5g
½ tablespoon
8g
Why density matters
Peanut Butter has a density of 1.09 g/ml. Compare that to water at 1.0 g/ml — a denser ingredient will give a higher gram count per cup. Generic converters that assume 240g per cup for everything would give you 18g less than the actual weight — which can ruin precision bakes.
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