
Here we will calculate 13 cups doubled and illustrate 13 cups doubled on a measuring cup. What is 13 cups doubled? 13 cups doubled is twice 13 cups. Therefore, to double 13 cups, we multiply 13 by 2. Here is the formula, the math, and the answer to 13 cups doubled:
Cup × 2 = Cup doubled
13 × 2 = 26
13 cups doubled = 26 cups
Below is an illustration of a measuring cup. We show 13 cups and 13 cups doubled (26 cups) so you can see where they are in relation to each other.

As you can see, we filled up our measuring cup to 13 cups doubled. In other words, we filled it up to 26, which is two times 13.
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