if you're doing rounds, 4" high is enough to yield 243 servings (8 cubic inch servings).
http://shinymetalobjects.net/cake/calculator/cake_calculator_byVolume.cgi
Your serving slice of cake is: 1" x 2" x 4", which is 8 cubic inches.
10" round: 5" x 5" x π x 4" = 314 cubic inches
14" round: 7" x 7" x π x 4" = 615.44 cubic inches
18" round: 9" x 9" x π x 4" = 1017.36 cubic inches
total volume: 1946.8 cubic inches
1946.8 / 8 = 243.35 total servings.
Thanks Metria that is a lot of help. I am doing rounds and they want to serve the cake for desert, so I want to make sure there is enough and I didn't want the cake to look dumpy (short). I always see these big beautiful cakes posted on CC but never knew how high each tier is. Thanks again
If you make your tiers 6", they might not fit on a standard dessert plate. I think people go as high as 5", and sometimes they do a double-barrel or double-tier, same size rounds, stacked on top of each other (8"). But those are really two-tiers in one, so you still get a 4" high piece of cake.
Here's another thread for you.
https://cakecentral.com/modules.php?name=Forums&file=viewtopic&p=6316686&sid=7ea34067468f9ea8c39202be1bc4ba01
Thanks, metria, for the detailed math! I love that stuff.
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