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Milligrams to Milliliters: How Dosing Differs Between Edibles, Vapes, Tinctures, & Topicals

Written by Mell Green

Cannabidiol (CBD) dosage can be confusing, especially if you’re not used to milligrams (mg) and milliliters (mL) in your day-to-day life. Figuring out the right dosage for your needs will depend on several things, including your weight, diet, metabolism, environment, and genetics. That said, knowing how much you are taking will allow you to get the effects you desire.

It’s important to note that dosing is still very hazy and researchers are doing their best to figure it all out. Certain methods make measuring doses a bit more tricky than others but these basics should help you get a good handle on doing calculations:


Gummy bears, lollipops, chocolate bars, capsules, and cookies will measure in mg and come in serving sizes of approximately 5mg-40mg. For example, a package of gummy bears will either tell you how much CBD is in the entire package or how much CBD is in a single gummy.

To find the amount per edible, all you need to do is divide the number of gummies/treats in the package by the total amount of CBD in the package. The same applies to other edibles.


These liquids, which are measured in mL, can be tricky to properly dose compared to edibles. For the most part, you should be given three measurements on the package: bottle size, CBD concentration, and serving size. Most vape oils will come in a 30mL bottle and will have a serving size of around 1-1.5mL, meaning each bottle will contain approximately 20-30 servings–this is where a bit of math comes into play.

Some disposable vape pens will give you the total CBD concentration and the number of puffs you’ll get from the pen, making it easier for you to determine how much CBD you’re getting per puff.


Oils and tinctures are measured in both mL (serving size/bottle size) and mg. CBD oils and tinctures hold a much higher CBD concentration range; some can contain up to 5,000mg per bottle. Find the serving size and note how much CBD is in each drop in order to get the right dosage for consumption.


Lotions and other skin products have completely revolutionized the beauty industry with a range of products including lotions, balms, creams, and ointments, even hair products. Topicals are measured by mg, so consumers must note the serving size, as the dosage will depend on how much is applied to the skin.

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About the author

Mell Green

Mell is a published writer and advocate of the legal cannabis movement who’s dedicated to all things wellness. You can catch her work in a number of publications including Plant People,, and the Weed Blog. She’s a proud volunteer of the National Hemp Association and enjoys consuming cannabis medicinally and recreationally.

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