Peanuts (Whole):
Grams to Cups
One cup of whole peanuts weighs 145 grams. Technically a legume but used culinarily as a nut, peanuts are one of the most widely used baking ingredients — the base for peanut butter and a crunchy addition to cookies, brittle, and chocolate bark.
Convert Peanuts (Whole)
1 cup = 145 grams
= — grams
= — cups
Quick reference
Measurement Table
| Cups | Grams | Ounces |
|---|---|---|
| ⅛ cup | 18 g | 0.63 oz |
| ¼ cup | 36 g | 1.27 oz |
| ⅓ cup | 48 g | 1.69 oz |
| ½ cup | 73 g | 2.57 oz |
| ⅔ cup | 97 g | 3.42 oz |
| ¾ cup | 109 g | 3.84 oz |
| 1 cup | 145 g | 5.11 oz |
| 1¼ cups | 181 g | 6.38 oz |
| 1½ cups | 218 g | 7.69 oz |
| 2 cups | 290 g | 10.23 oz |
| 3 cups | 435 g | 15.34 oz |
About Peanuts (Whole)
Whole roasted peanuts pack efficiently into a measuring cup due to their relatively uniform oval shape, yielding 145 g per cup — heavier than most true tree nuts. Raw peanuts weigh slightly less and have a very different, green-bean-like flavor; always confirm whether a recipe requires raw or roasted.
In baking, peanuts contribute a bold, savory-sweet flavor and a distinct crunch. Chopped peanuts are a classic topping for cookies, ice cream cakes, and peanut butter cups. When making peanut brittle or peanut bark, whole or roughly chopped roasted peanuts are added at the end of the sugar cooking process to avoid over-toasting.
Peanuts are the richest source of flavor for homemade peanut butter. The ratio of oil to solids — and whether you add sugar and salt — dramatically affects the final texture and taste. For baking, natural peanut butter (just peanuts and salt) behaves differently than commercial stabilized peanut butter in recipes.
For people with tree nut allergies, peanuts are often a safer option since they are legumes rather than nuts — but peanut allergy itself is among the most common and severe food allergies. Always confirm your audience's allergies before baking with peanuts.
Tips for measuring Peanuts (Whole)
- Use roasted peanuts for baking — raw peanuts have a completely different, green flavor.
- Weigh chopped peanuts — they pack much more densely than whole peanuts.
- Add to brittle or bark at the last moment to avoid over-toasting in hot sugar.
- Unsalted peanuts give you better control over the recipe's total salt level.
Common mistakes
- Using raw peanuts when roasted are needed — the flavor difference is dramatic.
- Measuring chopped peanuts at the same weight as whole peanuts per cup.
- Forgetting to check for nut allergies — peanut allergy is common and severe.
Frequently Asked Questions
- How many grams in a cup of Peanuts (Whole)?
- 1 cup of Peanuts (Whole) weighs 145 grams. This is the standard measurement used in most American recipes.
- How many cups is 145 grams of Peanuts (Whole)?
- 145 grams of Peanuts (Whole) equals exactly 1 cup. For partial amounts, use the converter above or the measurement table.
- Is 145 g per cup accurate for all brands?
- 145 g/cup is the widely accepted standard. Minor brand-to-brand variation exists (±5–10%), but for most baking purposes this figure is reliable.