Convert Peanut Butter from Cup to Ounces

How many ounces is 1 cup of peanut butter?

1 cup of peanut butter (smooth peanut butter) is 9.45 ounces. 2 cups of peanut butter is 18.9 ounces. 1/2 cup of peanut butter is 4.72 ounces. 1/4 cup (0.25 cup) of peanut butter is 2.36 ounces. Use the converter below for any amount.

  • These figures use the metric cup (250 ml). A US cup is slightly smaller at 240 ml, so it holds a little less. Use the US 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 cup of butter is in ounces.

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 cup of peanuts is in ounces.

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 cup of almond butter is in ounces.

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 cup of sunflower seed butter is in ounces.

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 cup of hulled tahini is in ounces.

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.

Scoop it right, get measuring cups

Peanut Butter Measurement Converter

Enter a value and pick your units.

Result

9.45 Ounces

Common Peanut Butter Conversions

Here are the most common peanut butter conversions from cups to ounces.

CupsOunces
0.25 cups2.36 oz
0.5 cups4.72 oz
0.75 cups7.09 oz
1 cup9.45 oz
1.25 cups11.81 oz
1.5 cups14.18 oz
2 cups18.9 oz
2.5 cups23.63 oz
3 cups28.35 oz

Peanut Butter Conversion Chart

The conversion chart below gives a quick reference for converting peanut butter from Cup to Ounces and other measurements.

cupouncesgramscup(US)tbsptsp
0.25 cup2.36 oz67 g0.26 cup (US)4.17 tbsp12.5 tsp
0.5 cup4.72 oz134 g0.52 cup (US)8.33 tbsp25 tsp
1 cup9.45 oz268 g1.04 cup (US)16.67 tbsp50 tsp
2 cup18.9 oz536 g2.08 cup (US)33.33 tbsp100 tsp

For the reverse conversion, see 1 ounce of peanut butter in cups.

Frequently Asked Questions

What is 1 cup of peanut butter in ounces?
1 cup of peanut butter is 9.45 ounces. The ratio is fixed, so 2 cups of peanut butter is 18.9 ounces and 0.5 cups is 4.72 ounces. 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 ounces is 1.5 cups of peanut butter?
1.5 cups of peanut butter is 14.18 ounces. The ratio is fixed, so 1 cup of peanut butter is 9.45 ounces and 2 cups is 18.9 ounces. Type any other amount into the converter above for the exact figure, or use the chart below for the common ones.
What is 2 cups of peanut butter in ounces?
2 cups of peanut butter is 18.9 ounces. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 cup of peanut butter is 9.45 ounces, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact ounces reading.
How many cups of peanut butter is 9.45 ounces?
9.45 ounces of peanut butter is 1 cup. The conversion works the same in reverse, so you can switch between ounces and cups without changing the result. This helps when a recipe lists cups but you would rather weigh or measure in ounces. 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 cup of peanut butter is 9.45 ounces under either name, and 2 cups is 18.9 ounces. Recipes use the two names interchangeably, so you can follow either one without changing quantities or weighing any differently.
What is 1/2 cup peanut butter in ounces?
1/2 cup of peanut butter is 4.72 ounces. The ratio is fixed, so 1 cup of peanut butter is 9.45 ounces and 2 cups is 18.9 ounces. 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 peanut butter in ounces?
1/4 cup (0.25 cup) of peanut butter is 2.36 ounces. The ratio is fixed, so 1 cup of peanut butter is 9.45 ounces and 2 cups is 18.9 ounces. 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.

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