How to do automatic scaling of ratios in excel

Yazzy

New Member
Joined
Jan 25, 2011
Messages
6
Hello,

I have a recipe that uses for example,

3 cup flour
2 cup sugar
3 cups milk
4 eggs

And this produces 18 muffins. Are there formulas I could use in excel to scale the recipe up or down automatically? Meaning if I wanted to produce 30 muffins. Could it automatically change the ingredients to produce 30 muffins instead?

I appreciate that help. Thanks in advance.

Yazzy
 

CWatts

Well-known Member
Joined
Jan 22, 2010
Messages
701
Yes but it will be kind of funky. For exmaple, to go from 18 muffins to 30 muffins, you'll take your ingredient volume divide by the number of muffins the recipe calls for and then multiple it by 30.

3 cups of flour would be 3 / 18 * 30 which would work out to 5 cups.

Not bad but...

4 eggs would be 4 / 18 * 30 = 6.667 eggs so you or your chef's would have to understand how to get the right amount of egg into the recipe.

Math wise it will be simple, but functionally, you may have some problem. It may be easier if you just give the option to double, triple, quadrouple, etc the recipe.
 
Last edited:

ChrisM

Well-known Member
Joined
Jun 11, 2002
Messages
2,129
To slightly restate that reply, you need to figure out how much it takes to make one muffin, hence the 3 / 18. Store the results of that calc next to each ingredient in your sheet. Now use another cell to hold how many muffins you want to make, say 30.

Now in a new column next to each ingredient, multiply the "one muffin amount" by the 30.
 

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