How do i calculate a herbal formula by grams if i do 100 grams of herb with herbs shown in percentages. For example a herbal formula containing 7 herbs in percentages

20%

20%

20%

10%

10%

10%

10%

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20%

20%

20%

10%

10%

10%

10%

20% of 100 grams is .2 X 100 or 20 grams. Same math can be used for any volume desired.

That would be the safest way.

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