Gram to Cup

125 grams of granulated sugar to cups

125 g of granulated sugar is about 0.63 cups, which is roughly 5/8 cup or 10 tablespoons. That comes from 200 g per US cup. Granulated sugar barely compresses, so this number holds.

Measure125 g of granulated sugar
Cups0.63
Kitchen measure5/8 cup
Tablespoons10
Grams per cup used200 g

Granulated sugar is the best behaved ingredient in the kitchen. Its crystals are heavy, uniform and free flowing, so a cup weighs 200 g whether you scoop it, pour it or spoon it. There is no packing method to argue about.

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 125 g of granulated sugar?
0.63 cups, or about 5/8 cup. That is worked out at 200 g per US cup.
How many tablespoons is 125 g of granulated sugar?
About 10 tablespoons, since one US cup is 16 tablespoons. For small amounts tablespoons are usually the more accurate measure to work with.
Why does 125 g give a different number of cups for other ingredients?
Because cups measure volume and grams measure weight. 125 g of granulated sugar is 0.63 cups at 200 g per cup, while the same 125 g of a denser or lighter ingredient fills a different amount of space.

Other amounts of granulated sugar

90 g100 g110 g112 g113 g115 g120 g140 g150 g160 g

See all granulated sugar conversions or 125 g of every other ingredient.