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I need to make a sheet cake...?

How many boxes of cake mix would I need?

Full sheet cake = 18 x 24 x 2 inches or 18 x 26 x 2

3 Answers

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  • 1 decade ago
    Favorite Answer

    volume of 18x24x2 = 864 cu in

    volume of 18x26x2 = 936 cu in

    A box of cake mix will make a 13x9x2 cake, which is 234 cu in

    So you'd need 864/234 or 3.7 boxes to make the 18x24, 936/234 or 4 boxes to make the 18x26.

  • Anonymous
    1 decade ago

    That sounds like a two box job. Get the rainbow cake mix! It's the best.

    Source(s): I love to make rainbow cake mix
  • 1 decade ago

    5 boxes and your cake will be full of sheet.

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