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How to read a dilution chart

How To Read A Dilution Chart

Using undiluted essential oils frequently can be a one-way ticket to sensitized, irritated skin. Diluting not only saves your skin, but also saves you money and is a good practice to learn. Though our aromatherapists have discussedhow to dilute and even created a nifty dilution chart foroils androll-ons, we at EG feel it is important to rehash this crucial topic until everyone feels comfortable diluting.

Recently we received a few questions on how to read the dilution charts we offer. What use is a dilution chart if you don’t know how to read it? Let’s break it down.

1% dilution rate

You will typically see essential oils diluted in one ounce of carrier oil. As in the image above, a 1% dilution rate is 6 drops of essential oil per one ounce of carrier oil. To achieve a 2% dilution rate, you would multiply the number of drops of essential oil by two, but keep one ounce of carrier oil the same. If you were to multiply the number of ounces of carrier oil by two, as well as 6 drops of essential oil, it would still equal to a 1% dilution rate.

3% dilution rate

This works if you want to use more carrier oil, but be sure to multiply the number of drops of essential oil according to the dilution rate you want to achieve. For example, say you have 4 ounces of carrier oil but want to achieve a 3% dilution rate. Because the above 3% dilution rate is measured per one ounce of carrier oil, and you are using four ounces of carrier oil, simply multiply 18 drops by four. As you will find, 72 drops of essential oil in 4 ounces of carrier oil is a 3% dilution rate.

1% dilution rate

You may also come across dilution rates that are measured in less than an ounce of carrier oil, such as in our roll-on dilution charts which we measure in 10 ml or 2 tsp of carrier oil. 10 ml is ⅓ of an ounce, so you would then divide the number of drops of essential oil fromthis dilution chart by three to achieve your desired dilution in 10 ml of carrier oil. When you have a lower amount of carrier oil, you will also reduce the amount of essential oils you are using through division such as we did above. We have made it easy by creating thisroll-on dilution chart.

Yes, essential oil dilution does require a little math, but with practice you can figure out your own dilution amounts in no time. In the meantime, these dilution charts are a helpful tool. Happy diluting!

Download the roll-on dilution chart (10 ml)

Download the oil dilution chart (ounces)


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6 Responses


October 23, 2018

Silly question, but let’s say I want to make a blend of multiple oils (like Cedarwood, Bergamot and Frankincense) in a 10 ml roller bottle with Coconut Carrier Oil. If I want a 3% dilution, I believe I would need 6 drops of oil. My question is, do I do 6 drops of each of the oils mentioned above, or a total of 6 drops between the three?

Edens Garden

September 20, 2018

Hi Donna! That’s correct, a 3% dilution in 10 ml of carrier oil would be 6 drops. And you can use any carrier oil to dilute essential oil, including Sweet Almond.


September 20, 2018

hi. hope you can answer this question for me. for Christmas my cousin got me the undiluted chakras set. the rollerball chart for a 3% dilution i should add 6 drops of eo? is this correct? argh, i’m confused. could you also use almond carrier oil with the set? or any other kind but fco? thank you.

Edens Garden

September 11, 2018

Hi Marsha! The dilution rates you are are referring to deal with different dilution rate percentages, different amounts of essential oil and carrier oil. Here is a side-by-side comparison of these dilutions-

4% dilution = 24 drops of essential oil in 1 oz of carrier oil
3% dilution = 72 drops of essential oil in 4 oz of carrier oil

If you are having trouble, here is a dilution calculator you may find helpful: https://marvymoms.com/dilution-calculator-that-will-change-how-you-use-essential-oils-forever/


September 11, 2018

I am confused! The dilution chart shows 24 drops 0f EO is a 4% dilution, however the instructions at the top show 72 drops for a 4% solution. Sorry but I find these charts rather confusing.


June 04, 2018

Thank you for the informative dilution charts. They are helpful, just what I needed, and easy to understand.