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How many sugar cubes' worth of sugar is in a McDonald’s hot fudge sundae?

About 12 sugar cubesA McDonald’s hot fudge sundae has about 48 g of sugar, and one cube is 4 g.

It takes about 12 sugar cubes.

How we worked it out

A McDonald’s hot fudge sundae has about 48 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 #14. 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 #14Play today’s experiments

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