Wednesday, June 2, 2010

How To Convert Recipes Written In % Into Actual Weights

Because I prefer to write my recipes in terms of percents I am going to give you a way to convert them into actual weights that you can use.   The reason why I write recipes in percents is that way they can apply to everyone.   This way you can make up a small test batch, then if you like it and want to make more you can make a batch as big or small as you need and still have the same exact properties.  Think of it as if your recipe was written in ratios, this way everything remains constant. 

If you don't have a copy of SM3 (soapmaker 3, which I will cover in another entry) one of the best calculators for converting a recipe from percents into actual weight is found on the WSP supplier website.
Here is the link for their Batch Size Calculator

this calculator is very simple to use.   Simply type in your ingredient list and the percents used for each ingredient.  Remember your total batch size much total up to 100%.    Enter the numerical number that goes with your batch size and tag the weight you want to use.   Do you prefer your total batch to be measured in ounces, pounds, milliliter or grams (grams is not shown on the page for some reason).   Then scroll down to the bottom of the page to calculate the recipe.  Once that is done you will see all four weight options and you can choose which one you want to use for weighing out your ingredients.

But sometimes it's nice to think of your total recipe in terms of ounces, but weigh everything out in grams. 

This calculator can be used for everything, including soap to change the size of your recipe.

But if you are using it to convert a soap recipe into a different size, be sure to run your recipe through a lye calculator to get the required liquid and lye amounts.  Never use a soap recipe that you haven't run through a lye calculator yourself.

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