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Cooking conversion
Milliliters of Peanut Butter to Ounces
How many ounces are in milliliters of peanut butter? Type a value below to see the result instantly. Cooking conversions depend on the density of each ingredient — the math here uses 1.083 g/mL for peanut butter.
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1 mL of peanut butter = 0.038202 oz
Milliliters of Peanut Butter to Ounces Conversion Table
Common values for peanut butter:
| Milliliters of peanut butter | Ounces |
|---|---|
| 0.25 mL | 0.00955 oz |
| 0.5 mL | 0.019101 oz |
| 1 mL | 0.038202 oz |
| 2 mL | 0.076403 oz |
| 3 mL | 0.114605 oz |
| 4 mL | 0.152807 oz |
| 5 mL | 0.191009 oz |
| 8 mL | 0.305614 oz |
| 10 mL | 0.382017 oz |
How this works
Peanut butter has a density of about 1.083 g/mL (usda: 1 cup = 256g). That means 1 mL of peanut butter weighs 1.083 grams.
Ounces = milliliters × 0.0382
Note: Smooth, full-fat.
Why a cup of peanut butter doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of peanut butter can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.