Gram to Cup

340 grams of granulated sugar to cups

340 g of granulated sugar is about 1.7 cups, which is roughly 1 cup + 2/3 or 27.2 tablespoons. That comes from 200 g per US cup. Granulated sugar barely compresses, so this number holds.

Measure340 g of granulated sugar
Cups1.7
Kitchen measure1 cup + 2/3
Tablespoons27.2
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 340 g of granulated sugar?
1.7 cups, or about 1 cup + 2/3. That is worked out at 200 g per US cup.
How many tablespoons is 340 g of granulated sugar?
About 27.2 tablespoons, since one US cup is 16 tablespoons. For small amounts tablespoons are usually the more accurate measure to work with.
Why does 340 g give a different number of cups for other ingredients?
Because cups measure volume and grams measure weight. 340 g of granulated sugar is 1.7 cups at 200 g per cup, while the same 340 g of a denser or lighter ingredient fills a different amount of space.

Other amounts of granulated sugar

250 g260 g270 g280 g300 g320 g350 g375 g400 g425 g

See all granulated sugar conversions or 340 g of every other ingredient.