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Basic calculations
Many formulations are calculated by percentage because it depends the method you are measuring. If a formulation calls for 1% of a particular ingredient of the volume of your product your calculation will be EXAMPLE:
You are making 1000g of conditioner and you want to add 1% of a specific ingredient,
On your calculator enter 1000 x 1% = 10
So you will add either 10ml or 10g depending on how you are
measuring.
Example B – Using several ingredients in formulations with percentages to balance been water.
Ingredient A 16.7 %
Ingredient B – 10%
Ingredient C -3%
Balance -water
If you want to make 1kg of a specific product on your calculator add all the ingredient percentages together. In this case
you have 3 ingredients totaling to 29.7 (16.7 +10+3)
Deduct 29.7 % from 100%
The amount of water you will be using is 100 -29.7 = 70.3%
Now that you know the amount of water you will be using.. you are going to measure out your ingredients.
e.g. Ingredient A is 16.7%
Remember in our example we are making 1000g of a specific product
On your calculator you will enter 100 x 16.7 = 167.00
The amount converted from % to grams is 167g
The total amount of water is 703g