Free tool
How many drops of essential oil? Drops, millilitres and dilution percentages
This calculator assumes about 20 drops to a millilitre, so 10 ml holds about 200 drops, 2 ml about 40 drops and 120 drops is 6 ml. Enter a carrier volume and a dilution percentage to get the total drop count and the drops each oil needs.
Drops, millilitres and percentages
Every number on this page assumes 20 drops to one millilitre: 1 ml = 20 drops and 1 drop = 0.05 ml. Drop size varies with the oil's viscosity and the dropper, so treat the count as a working reference, not a measurement.
How many millilitres is 120 drops?
Divide the drop count by 20: 120 ÷ 20 = 6 ml.
How many drops are in 10 ml of essential oil?
Multiply the volume by 20: 10 ml × 20 = 200 drops.
How many drops is a 2% blend in 30 ml?
Multiply the carrier volume by 20, then by the percentage: 30 ml × 20 × 2% = 12 drops.
Drops per carrier volume
| Dilution | 10 ml | 20 ml | 30 ml | 60 ml |
|---|---|---|---|---|
| 0.5% | 1 | 2 | 3 | 6 |
| 1% | 2 | 4 | 6 | 12 |
| 2% | 4 | 8 | 12 | 24 |
| 3% | 6 | 12 | 18 | 36 |
| 4% | 8 | 16 | 24 | 48 |
| 5% | 10 | 20 | 30 | 60 |
Rounded to the nearest whole drop.
Drops to millilitres
| Drops | Millilitres |
|---|---|
| 5 | 0.25 |
| 10 | 0.5 |
| 20 | 1 |
| 40 | 2 |
| 60 | 3 |
| 120 | 6 |
| 200 | 10 |
Result
Total drops
12
Save the formula and reuse it next time
In Aromemor, a saved blend keeps the dilution, the drop counts and the safety result together.
This is a general dilution conversion, for reference only, and is not professional medical advice.
The result is a conversion reference and does not replace professional judgement. Dilution is only one of the safety conditions.
This tool is not a medical device and nothing on it is professional medical advice. If you feel unwell, speak to a doctor or a registered healthcare professional.
How to use it
- Enter the carrier oil volume in millilitres.
- Choose or type the target dilution percentage.
- Set how many oils are in the blend.
- Read the total drops and the drops per oil.
- Copy the result into your own record if you need it.
Age and recommended dilution
| Age group | Recommended dilution |
|---|---|
| 0 – 3 months | 0.2% or less |
| 3 – 24 months | 0.25% – 0.5% |
| 2 – 6 years | 1% – 2% |
| 6 – 15 years | 1.5% – 3% |
| Adults | 2% – 5% |
These ranges are general reference points. Individual oils carry stricter ceilings of their own. Before use, consult a doctor, pharmacist or qualified aromatherapist.
Keep the result
This tool calculates inside your browser only, and the result is gone once you close the tab. To keep formulas and dosages long term, create the blend in the Aromemor app, where the dilution and drop counts stay under the client record.
Open the intake form tool：Collect background and safety notes first.
Open the blend generator：Build a diffuser ratio.
Frequently asked questions
How many drops are in a millilitre?
This calculator uses the common approximation of about 20 drops to a millilitre. Actual drop size varies with the oil's viscosity and the dropper, so treat the result as a reference figure.
Does the calculator store what I type?
No. Everything is computed in your browser and nothing is sent anywhere. Closing the tab leaves no record.
Can I use the result as it is?
Dilution is only one of the safety conditions. Age, skin type, application site, the individual ceiling of each oil and health background all still apply. The result is for reference only and is not professional medical advice.
Save the formula and reuse it next time
In Aromemor, a saved blend keeps the dilution, the drop counts and the safety result together.