Essential Oil Conversion Calculator / Recipe Converter

Convert your recipe from one type, size or dilution to another

Use this essential oil conversion calculator/recipe converter to:

• Convert an essential oil recipe to a rollerball or massage oil recipe at your chosen size and dilution
• Convert an essential oil recipe to a diffuser recipe for the size of diffuser you own
• Convert an essential oil recipe to an inhaler recipe
• Use the converter as an advanced essential oil dilution calculator - calculate how many drops of each oil in your blend are needed for your desired dilution

You might also be interested in our other calculators. If you just want to know the total number of drops of essential oil needed for your desired dilution, try our Simple Dilution Calculator. If you want to check whether the essential oils in an existing recipe are at safe dilutions, try our Recipe Dilution Safety Calculator. But to convert a recipe, use the recipe converter below.

Instructions for Using the Essential Oil Conversion Calculator

How to Convert to a Rollerball/Massage Oil Recipe or Change the Dilution or Size of a Rollerball/Massage Oil Recipe

e.g. if you want to convert a massage oil recipe that has 15 drops of Lavender oil, 12 drops of Sweet Orange oil and 100 ml of carrier oil to a 10 ml rollerball recipe with a dilution of 2%, you would:

1. Select 'Rollerball/massage oil blend'
2. Select 'ml' as the answer to the question 'Is your bottle measured in ounces or ml'
3. Enter 10 as the size of the bottle or container
4. Select 2% as the dilution
5. In the first row of the Essential Oils table, enter 'Lavender' as the name of the oil and '15' as the number of drops
6. In the second row of the Essential Oils table, enter 'Sweet Orange' as the name of the oil and '12' as the number of drops. Note you DON'T need to enter the carrier oil
7. Click Convert

How to Convert to a Diffuser Recipe

e.g. if you want to convert a rollerball recipe that has 5 drops of Lavender oil and 3 drops of Sweet Orange oil to a diffuser recipe, you would:

1. Select 'Diffuser blend'
2. Select the size of your diffuser
3. In the first row of the Essential Oils table, enter 'Lavender' as the name of the oil and '5' as the number of drops
4. In the second row of the Essential Oils table, enter 'Sweet Orange' as the name of the oil and '3' as the number of drops.
5. Click Convert

How to Convert to an Inhaler Recipe

e.g. if you want to use the essential oil conversion calculator to convert a rollerball recipe that has 5 drops of Lavender oil and 3 drops of Sweet Orange oil to an inhaler recipe, you would:

1. Select 'Inhaler blend'
2. Select the size of your diffuser
3. Click Convert

How to Use the Conversion Calculator as an Advanced Essential Oil Dilution Calculator

e.g. if you want a 10 ml rollerball recipe at 2% dilution, you want to use Lavender oil and Sweet Orange oil and you want Lavender to make up 75% of the essential oils and Sweet Orange to make up the other 25%, you would:

1. Select 'Rollerball/massage oil blend'
2. Select 'ml' as the answer to the question 'Is your bottle measured in ounces or ml'
3. Enter 10 as the size of the bottle or container
4. Select 2% as the dilution
5. In the first row of the Essential Oils table, enter 'Lavender' as the name of the oil and '75' as the number of drops
6. In the second row of the Essential Oils table, enter 'Sweet Orange' as the name of the oil and '25' as the number of drops. Note you DON'T need to enter the carrier oil
7. Click Convert

How to Use the Free Essential Oil Calculator to Convert Recipes from this Website

1. Use our Advanced Recipe Search or browse the site to find a recipe you like
2. Click the “Convert to a Different Recipe Type, Dilution or Size” link at the top of the list of ingredients

3. This will open the essential oil calculator and automatically fill in the number of drops of each oil.
4. Then all you need to do is select the type of recipe you want to convert to and click Convert