Cups to Grams and Grams to Cups Calculator
Turns a volume of an ingredient into its weight, and back again, using a typical density for that ingredient.
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
The formula
grams = cups × grams per cup cups = grams ÷ grams per cup 1 cup = 240 ml = 16 tbsp = 48 tsp
This page takes a US cup as 240 ml, the size used on US nutrition labels, with a 15 ml tablespoon and a 5 ml teaspoon. The older US customary cup is 236.6 ml, which is about 1.4% smaller.
What to watch out for
Spoon dry ingredients into the cup and level them with a straight edge. For baking, weigh wherever you can: a scale removes the packing problem altogether.
Frequently Asked Questions
How many grams is a cup of flour?
About 125 g of plain flour when spooned and levelled, in a 240 ml cup. Scooped, it can reach 150 g.
How many cups is 100 g of sugar?
0.5 of a cup of granulated sugar.
How many grams is a tablespoon of butter?
About 14.2 g. Honey is heavier, at about 21.3 g per tablespoon.
Why does a cup of each ingredient weigh something different?
A cup measures space, not weight. Sugar packs densely and cocoa powder is mostly air, so the same cup holds very different weights of them.