Convert Peanut Butter from Cup (US) to Grams

How many grams is 1 US cup of peanut butter?

1 US cup of peanut butter (smooth peanut butter) is 257.28 grams. 2 US cups of peanut butter is 514.56 grams. 1/2 US cup of peanut butter is 128.64 grams. 1/4 US cup (0.25 US cup) of peanut butter is 64.32 grams. Use the converter below for any amount.

  • These figures use the US cup (240 ml), so 1 cup is 257.28 g. A metric cup is slightly larger at 250 ml and holds about 268 g. Use the metric cup converter →
  • Cup sizes are not standard worldwide, so the same cup of an ingredient can weigh more or less depending on the country. What is a cup measurement →

Peanut butter is roasted peanuts ground into a thick, oily paste, sold smooth or crunchy. One metric cup (250 ml) of peanut butter weighs around 268 grams or 9.45 ounces. It is used in cookies, brownies, no-bake bars, satay sauce, and as a spread for toast and sandwiches.

Peanut butter is sticky and clings to measuring cups, so scooping reliably is hard. Weighing in grams gives accurate amounts without the mess of scraping out a cup.

Also known as

  • smooth peanut butter
  • crunchy peanut butter
  • natural peanut butter

Butter is a dairy fat that creams with sugar to build structure and lift, while peanut butter is an oily paste that adds dense flavour. They are close in weight (227 g vs 268 g per cup), so weigh when swapping in cookies and bars; expect a nuttier, denser result from peanut butter. See what 1 US cup of butter is in grams.

Peanuts are the whole form used for crunch and texture where peanut butter adds creaminess. A cup of peanuts (154 g) is much lighter than a cup of peanut butter (268 g); always swap by weight. See what 1 US cup of peanuts is in grams.

Almond butter is the milder, slightly sweeter nut-butter sibling, a touch lighter per cup (256 g vs 268 g). It swaps 1:1 by volume for peanut butter in cookies, bars, and sauces, with a milder, less salty flavour. See what 1 US cup of almond butter is in grams.

Sunflower seed butter is the nut-free stand-in, lighter per cup (250 g vs 268 g). It swaps 1:1 for peanut butter in school and allergy bakes, with an earthier, more savoury taste. See what 1 US cup of sunflower seed butter is in grams.

Hulled tahini is a smooth sesame seed paste, lighter per cup (240 g vs 268 g) and far more savoury than peanut butter. Swap by weight when using it in dressings, halva, or bars where a nut-free, bitter-edged paste suits the recipe. See what 1 US cup of hulled tahini is in grams.

Out of peanut butter? See peanut butter substitutes →

No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.

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Peanut Butter Measurement Converter

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Result

257.28 Grams

Common Peanut Butter Conversions

Here are the most common peanut butter conversions from cups (US) to grams.

Cups (US)Grams
0.25 cups (US)64.32 g
0.5 cups (US)128.64 g
0.75 cups (US)192.96 g
1 cup (US)257.28 g
1.25 cups (US)321.6 g
1.5 cups (US)385.92 g
2 cups (US)514.56 g
2.5 cups (US)643.2 g
3 cups (US)771.84 g

Peanut Butter Conversion Chart

The conversion chart below gives a quick reference for converting peanut butter from Cup (US) to Grams and other measurements.

cup(US)gramscupouncestbsptsp
0.25 cup (US)64.32 g0.24 cup2.27 oz4 tbsp12 tsp
0.5 cup (US)128.64 g0.48 cup4.54 oz8 tbsp24 tsp
1 cup (US)257.28 g0.96 cup9.07 oz16 tbsp48 tsp
2 cup (US)514.56 g1.92 cup18.14 oz32 tbsp96 tsp

For the reverse conversion, see 100 grams of peanut butter in US cups.

Frequently Asked Questions

What is 1 US cup of peanut butter in grams?
1 US cup of peanut butter is 257.28 grams. The ratio is fixed, so 2 US cups of peanut butter is 514.56 grams and 0.5 US cups is 128.64 grams. Use the converter above for any quantity, or check the conversion chart on this page for the most common amounts at a glance. Open the peanut butter converter
How many grams is 1.5 US cups of peanut butter?
1.5 US cups of peanut butter is 385.92 grams. The ratio is fixed, so 1 US cup of peanut butter is 257.28 grams and 2 US cups is 514.56 grams. Type any other amount into the converter above for the exact figure, or use the chart below for the common ones.
What is 2 US cups of peanut butter in grams?
2 US cups of peanut butter is 514.56 grams. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 US cup of peanut butter is 257.28 grams, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact grams reading.
How many US cups of peanut butter is 257.28 grams?
257.28 grams of peanut butter is 1 US cup. The conversion works the same in reverse, so you can switch between grams and US cups without changing the result. This helps when a recipe lists US cups but you would rather weigh or measure in grams. The converter above and the chart below cover both directions for any amount.
Are peanut butter and smooth peanut butter the same thing?
Yes. Smooth peanut butter is another name for peanut butter, so they are the same ingredient and convert identically. 1 US cup of peanut butter is 257.28 grams under either name, and 2 US cups is 514.56 grams. Recipes use the two names interchangeably, so you can follow either one without changing quantities or weighing any differently.
What is 1/2 cup (US) peanut butter in grams?
1/2 US cup of peanut butter is 128.64 grams. The ratio is fixed, so 1 US cup of peanut butter is 257.28 grams and 2 US cups is 514.56 grams. Half measures come up often when scaling a recipe down, and the figure divides cleanly. Use the converter above for any other amount, or the chart below for the common ones.
What is 1/4 cup (US) peanut butter in grams?
1/4 US cup (0.25 US cup) of peanut butter is 64.32 grams. The ratio is fixed, so 1 US cup of peanut butter is 257.28 grams and 2 US cups is 514.56 grams. Quarter amounts often come up when scaling a recipe down step by step, and the figure divides cleanly. Use the converter above for any other quantity, or the chart below for the most common amounts.
Is 1 cup of peanut butter 268 or 257 grams?
A cup of peanut butter weighs 268 grams in a metric cup (250 ml) and about 257 grams in a US cup (240 ml), since the metric cup holds a little more. Most US recipes mean the US cup, while UK, Australian, and European recipes use the metric cup. The difference is small but worth checking when a recipe is precise. Weigh on a scale for the most reliable result.

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