Gram to Cup

45 grams of butter to cups

45 g of butter is about 0.2 cups, which is roughly 1/6 cup or 3.17 tablespoons. That comes from 227 g per US cup. A US stick is 113 g, so a cup is two sticks.

Measure45 g of butter
Cups0.2
Kitchen measure1/6 cup
Tablespoons3.17
Grams per cup used227 g

Butter is the easiest conversion on this site because American butter comes pre-measured. One US stick weighs 113 g, so a cup of butter is exactly two sticks, 227 g. The wrapper usually has tablespoon markings printed on it, and one tablespoon is about 14 g.

Result
0.83 cups
About 7/8 cup of all-purpose flour. 100 g is 3.53 oz by weight.
Assumes spoon-and-level. Scooped flour runs closer to 140 g a cup.

Questions

How many cups is 45 g of butter?
0.2 cups, or about 1/6 cup. That is worked out at 227 g per US cup.
How many tablespoons is 45 g of butter?
About 3.17 tablespoons, since one US cup is 16 tablespoons. For small amounts tablespoons are usually the more accurate measure to work with.
Why does 45 g give a different number of cups for other ingredients?
Because cups measure volume and grams measure weight. 45 g of butter is 0.2 cups at 227 g per cup, while the same 45 g of a denser or lighter ingredient fills a different amount of space.

Other amounts of butter

25 g28 g30 g32 g33 g35 g39 g40 g50 g60 g

See all butter conversions or 45 g of every other ingredient.