How Many Grams in a Cup of Peanut Butter?
1 cup = 258g · Tablespoon and teaspoon counts are US volume measures. Semi-solid foods pack unevenly — a kitchen scale is more reliable than measuring spoons.
Quick values
- Cups
- 1
- Tablespoons
- 16
- Teaspoons
- 48
- Grams per tbsp
- 16.125g
- Grams per tsp
- 5.375g
- Grams
- 258
- Ounces
- 9.10069
- Pounds
- 0.568793
Peanut Butter cups to grams conversion table
| Cups | Tablespoons | Teaspoons | Grams | Ounces |
|---|---|---|---|---|
| 1/4 | 4 | 12 | 64.5g | 2.275172 |
| 1/3 | 5.333333 | 16 | 86g | 3.033563 |
| 1/2 | 8 | 24 | 129g | 4.550345 |
| 2/3 | 10.666667 | 32 | 172g | 6.067126 |
| 3/4 | 12 | 36 | 193.5g | 6.825517 |
| 1 | 16 | 48 | 258g | 9.10069 |
| 1.5 | 24 | 72 | 387g | 13.651034 |
| 2 | 32 | 96 | 516g | 18.201379 |
Each US tablespoon ≈ 16.125g · Each US teaspoon ≈ 5.375g
About Peanut Butter measurements
Peanut butter is a dense spread used in cookies, sauces, and sandwiches. One US cup of standard commercial peanut butter weighs approximately 258 grams when packed into a measuring cup without air pockets. Natural peanut butter with separated oil must be stirred completely before measuring or weight will vary between oil-heavy and dry portions.
Spoon peanut butter into a dry measuring cup and level, using an rubber spatula to release stuck portions, or weigh 258 grams directly—the most reliable method for peanut butter cookies where fat balance matters. Oil-coated measuring cups help release sticky natural brands cleanly.
Common mistakes include pouring off separated oil before measuring, which reduces fat and ruins texture. Substituting powdered peanut butter reconstituted with water—the weight and fat differ entirely from 258 grams per cup of regular spread. Using crunchy versus creamy changes volume slightly due to air around peanut pieces but weight stays near 258 grams packed.
Store peanut butter at room temperature for smooth spreading or refrigerate natural varieties to slow separation. Use within three months of opening for best flavor. Substitute almond butter or sunflower seed butter at similar weights with flavor changes; Nutella at 300 grams per cup is sweeter and softer.
Peanut butter at 258 grams per cup anchors classic cookie recipes where fat and protein balance spread and chew. Natural styles require thorough stirring before weighing so oil separation does not skew results between the top and bottom of the jar. Powdered peanut butter reconstituted with water is not equivalent to 258 grams of spread per cup for baking substitutions. When making peanut sauce, weighing peanut butter with soy sauce and lime by grams scales more cleanly than juggling sticky half-cup measures for doubled dinner party batches.
Energy bars binding dates and peanut butter repeat best when peanut butter is weighed at 258 grams per cup—cup measures leave streaks of uneven fat that cause crumbling when bars chill.
Frequently asked questions
One US cup of peanut butter equals 258 grams when packed into a measuring cup. Stir natural PB before measuring.
Pack into a dry cup with a spatula or weigh 258g. Stir separated natural peanut butter fully before measuring.
Almond butter or sunflower butter substitute at similar weight. Nutella (300g per cup) is sweeter with different baking behavior.
Store sealed at room temperature or refrigerate natural varieties. Use within 3 months of opening for best quality.