Metric-Standard-Drops Conversions for Herbals

Here's a handy chart for making conversions when measuring alternative and conventional medicines, remedies, essential oils, etc.  It can help when making calculations about how many doses you have in a bottle, maybe what size bottle to purchase, or how much tincture to make.

Metric	US--ounces	US--teaspoons	Dram	Drops
	0.021 ounce	1/8 teaspoon		13
1 ml	0.033 ounce		0.27	20
1.25 ml	0.042 ounce	1/4 teaspoon		25
2.5 ml	0.083 ounce	1/2 teaspoon		50
3.75 ml	0.125 ounce	3/4 teaspoon	1	75
5 ml	0.167 ounce	1 teaspoon		100
7.5 ml	0.250 ounce	1 1/2 teaspoons		150
10 ml	0.333 ounce	2 teaspoons		200
15 ml	0.500 ounce	1 tablespoon		300
30 ml	1 ounce	2 tablespoons		600
60 ml	2 ounces	4 tablespoons		1200

Note:  A dram was a unit of measurement used in Ancient Greece by apothecarists.  It's still sometimes used in aromatherapy and essential oils today.

 9.19.19