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Peanut Butter — Cups in Ounces
How many ounces of peanut butter in 1 cup?
1 cup of peanut butter equals 8.46 ( ~ 8 1/2) ounces*
About peanut butter measurements
Peanut butter packs dense and sticky at around 1.01 g/ml (about 240 g per cup), but only once you press out the air pockets. Natural styles separate, so a scoop from the oily top weighs less than one from the stiff bottom; stir the jar fully before measuring for a true reading.
Cups of peanut butter equivalent in ounces?

FAQs on peanut butter volume to weight conversion
1 cup of peanut butter equals how many ounces?
1 cup of peanut butter is equivalent 8.46 ( ~ 8 1/2) ounces.
How much is 8.46 ounces of peanut butter in cups?
8.46 ounces of peanut butter equals 1 cup.
US cups to Ounces of Peanut butter Conversion Chart
Note: Fractions are rounded to the nearest 8th fraction. Values are rounded to 3 significant figures.
| US cups to ounces of Peanut butter | ||
|---|---|---|
| 0.529 ( 1/2 ) ounces | ||
| 1.06 ( 1 ) ounces | ||
| 2.12 ( 2 1/8 ) ounces | ||
| 2.82 ( 2 3/4 ) ounces | ||
| 4.23 ( 4 1/4 ) ounces | ||
| 5.64 ( 5 2/3 ) ounces | ||
| 6.35 ( 6 1/3 ) ounces | ||
| 1 US cup | 8.46 ( 8 1/2 ) ounces | |
| 1 | 8.99 ( 9 ) ounces | |
| 1 | 9.52 ( 9 1/2 ) ounces | |
| 1 | 10.6 ( 10 1/2 ) ounces | |
| 1 | 11.3 ( 11 1/4 ) ounces | |
| 1 | 12.7 ( 12 2/3 ) ounces | |
| 1 | 14.1 ( 14 1/8 ) ounces | |
| 1 | 14.8 ( 14 3/4 ) ounces | |
| 2 US cups | 16.9 ( 17 ) ounces | |
| 2 | 17.5 ( 17 1/2 ) ounces | |
| 2 | 18 ( 18 ) ounces | |
| 2 | 19 ( 19 ) ounces | |
| 2 | 19.7 ( 19 3/4 ) ounces | |
| 2 | 21.2 ( 21 1/8 ) ounces | |
| 3 US cups | 25.4 ( 25 1/3 ) ounces | |
| 4 US cups | 33.8 ( 33 3/4 ) ounces | |
| 5 US cups | 42.3 ( 42 1/3 ) ounces | |
| 6 US cups | 50.8 ( 50 3/4 ) ounces | |
| 8 US cups | 67.7 ( 67 2/3 ) ounces | |
References:
Popular Volume to Weight Conversions
A note on cooking ingredients measurements
Notes: results are rounded (by default) to 3 significant figures. Cooking conversions use standard ingredient densities — the exact weight varies slightly with the brand and how tightly the ingredient is packed ☺.