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

More about measuring Peanut Butter

Related Peanut Butter Ingredients

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 our Almond Butter converter.

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 our Sunflower Seed Butter converter.

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 our Hulled Tahini converter.

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

Enter a value and pick your units.

Result

9.45 Ounces

Peanut Butter Calculators & Baking Tools

Working with peanut butter? These tools handle the jobs a converter cannot.

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

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 above 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 above cover both directions for any amount.
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 above for the common ones.