100g Peanut Butter in Cups
100 grams of peanut butter is ⅜ cup — 258g per US cup. A couple of spoonfuls — a satay sauce base, or a swirl dropped through a brownie batter before it goes in the oven.
How many cups is 100g of peanut butter?
100 grams of peanut butter equals:
Measuring by hand? That is 6 tablespoons + ½ teaspoon.
Press peanut butter into the cup to force out air pockets, then level it. Warming it slightly makes it release cleanly.
Grams to Cups Converter
Quick select
100 grams of Peanut Butter is about ⅜ cup, using a 236.588 millilitre cup at 258 grams per cup.
Reading
- cups
- 0.39
- tbsp
- 6.2
- tsp
- 18.6
See the full 100g to cups guide →
See 100g peanut butter to cups →
US customary cup (236.588ml) · 258g per cup
Dedicated conversion guides use the default US customary cup.
Applies to this page only — the database value (258g per US cup) is unchanged.
100g of peanut butter vs other ingredients
Grams measure weight and cups measure volume, so the same 100 grams fills a different amount of cup for every ingredient:
| Ingredient | 100g in cups | g per cup |
|---|---|---|
| Peanut Butter | ⅜ cup | 258 |
| All-Purpose Flour | ¾ cup | 125 |
| Granulated Sugar | ½ cup | 200 |
| Butter | ½ cup | 227 |
See all 100g conversions on the 100 grams to cups chart.
Nearby peanut butter amounts
Full ladder on the peanut butter grams to cups chart.
Frequently Asked Questions
How many cups is 100g of peanut butter?
100 grams of peanut butter is ⅜ cup. In kitchen measures that is 6 tablespoons + ½ teaspoon, worked out from 258 grams per US cup.
How many grams are in 1 cup of peanut butter?
One US cup of peanut butter weighs about 258 grams, one tablespoon about 16.13 grams, and one teaspoon about 5.38 grams. This page divides 100 grams by that cup weight.
Is 100g of peanut butter the same as 100g of all-purpose flour?
No. 100g of peanut butter is ⅜ cup, while 100g of all-purpose flour is ¾ cup. Same weight on the scale, different volume in the cup, because the two have different densities.
How do I measure 100g of peanut butter without a scale?
Use 6 tablespoons + ½ teaspoon. Press peanut butter into the cup to force out air pockets, then level it. Warming it slightly makes it release cleanly.
Is it better to weigh peanut butter or measure it in cups?
Weighing is more accurate, especially in baking, because it removes the variation in how the peanut butter is packed into the cup. If you have no scale, use the cup figure above and keep your measuring method consistent across the whole recipe.