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Peanut butter: cups to grams
One US cup of peanut butter weighs 258 g, and one tablespoon weighs 16 g. Convert any amount below, in either direction.
peanut butter
258 g
9.1 oz
of peanut butter
Smooth, spooned into the cup and levelled.
Peanut butter conversion table
Every amount a recipe is likely to ask for. Half a cup is 129 g.
| Peanut butter | Grams | Ounces |
|---|---|---|
| 1 teaspoon | 5.4 g | 0.2 oz |
| 1 tablespoon | 16 g | 0.6 oz |
| 1/4 cup | 65 g | 2.3 oz |
| 1/3 cup | 86 g | 3 oz |
| 1/2 cup | 129 g | 4.6 oz |
| 2/3 cup | 172 g | 6.1 oz |
| 3/4 cup | 194 g | 6.8 oz |
| 1 cup | 258 g | 9.1 oz |
| 1 1/2 cups | 387 g | 13.7 oz |
| 2 cups | 516 g | 18.2 oz |
| 3 cups | 774 g | 27.3 oz |
| 4 cups | 1032 g | 36.4 oz |
Smooth, spooned into the cup and levelled.
Other everything else
- cocoa powder, 85 g per cup
- chocolate chips, 170 g per cup
- table salt, 273 g per cup
- baking powder, 192 g per cup
- baking soda, 220 g per cup
- raisins, 165 g per cup
- chopped nuts, 117 g per cup
- shredded coconut, 85 g per cup
- mayonnaise, 220 g per cup
Questions
How many grams is a cup of peanut butter?
258 g. That is one US customary cup, 236.6 ml. Smooth, spooned into the cup and levelled.
How many grams is a tablespoon of peanut butter?
16 g. A tablespoon is a sixteenth of a cup. A teaspoon of peanut butter is 5.4 g.
Which cup does this use?
The US customary cup, 236.6 ml, which is the one American recipes mean. A UK or Australian metric cup is 250 ml, about 6% larger, and a Japanese cup is 200 ml. If your recipe is metric, type the millilitres in directly.
Why is my cup of flour heavier than 120 g?
Because of how you filled it. Scooping straight from the bag compacts the flour and can give you 145 g or more; the standard 120 g assumes you spooned it in and levelled it off. That 20% swing is the reason bakers weigh instead of scooping, and it is why halved and doubled recipes go wrong so often.
Are these conversions exact?
They are the standard US baking-reference values, and each ingredient page says how the cup was filled to get its number. For liquids and sugars they are good to within a gram or two. For anything fluffy or packable, like flour, brown sugar or grated cheese, measuring by volume carries more error than the conversion does.
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