Convert Peanut butter: cups to grams
1 cup of Peanut butter = 270 grams
Amount of Peanut butter
Density: 1.141 g/ml · Peanut butter
Peanut butter: cups to grams at a glance
The amounts people ask for most, worked out for Peanut butter.
How much Peanut butter weighs
Every figure below is one measured number — 270 g per US cup — scaled. That is why this table and the converter above it cannot disagree.
One cup, side by side
How much does a cup of peanut butter weigh?
270 g, from King Arthur's 135 g per half cup. That makes peanut butter the heaviest fat on this site — a cup of it outweighs a cup of butter (227 g) by nearly a fifth, and outweighs a cup of all-purpose flour more than twice over.
Source for Peanut butter: King Arthur Baking (135 g per 1/2 cup) · King Arthur Baking ingredient weight chart
Frequently asked questions
How many grams is 1 cup of Peanut butter?
1 cup of Peanut butter is 270 grams, because one US cup of Peanut butter weighs 270 g. That single measured figure is the whole conversion — every other unit on this page is derived from it.
How many cups is 100 grams of Peanut butter?
100 grams of Peanut butter is 0.37 cups. It is the same conversion read backwards, so this page and its reverse always agree.
Why doesn't a cup of Peanut butter weigh the same as a cup of anything else?
Because a cup is a fixed volume — 236.588 ml — and what it weighs depends entirely on what you put in it. A cup of Peanut butter is 270 g. The same cup holds 120 g of all-purpose flour, 236.6 g of water, 336 g of honey. Converting without naming the ingredient is guessing, and across this site's ingredients the spread from the lightest cup to the heaviest is fourfold.
Where does dishscale's figure for Peanut butter come from?
One US cup of Peanut butter is 270 g. The dataset records that as: “King Arthur Baking (135 g per 1/2 cup)”. That is the King Arthur Baking ingredient weight chart. Every ingredient on the site carries the reference its weight came from, so any number here can be checked — and corrected if the source disagrees.