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How many sugar cubes' worth of sugar is in a glass of grape juice?

About 9 sugar cubesA glass of grape juice has about 36 g of sugar, and one cube is 4 g.

It takes about 9 sugar cubes.

How we worked it out

A glass of grape juice has about 36 g of sugar, and one cube is 4 g. Standard 4 g sugar cubes. Sugar amounts from nutrition labels and USDA data. Real life adds a little friction and waste, so treat the number as a solid ballpark rather than a lab result. The constants behind every experiment are on the science page.

Watch it happen

This was one of the five experiments in It Took #30. In the game you guess first, then the experiment plays out with your number: too few and it fails, too many and it overshoots.

Play It Took #30Play today’s experiments

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