DIY e-liquid calculator user guide

Making your own DIY e-liquid becomes simple, fast, and precise thanks to our mixing calculator. In just four steps, you get the exact dosages of base, concentrated flavor, and nicotine boosters suited to your setup.

1. Choose the total amount of e-liquid

First indicate the desired final e-liquid volume (for example 50 ml, 100 ml, 500 ml, or 1 liter).
This volume corresponds to the sum of:

  • the e-liquid base,
  • the concentrated flavor,
  • nicotine boosters.

Making large quantities helps optimize your stock and achieve significant savings compared to ready-to-use e-liquids.

By filling in the calculator fields, it automatically calculates the exact amounts of each ingredient to obtain a balanced e-liquid that meets manufacturer recommendations.

2. Adjust the nicotine level

Then select the desired nicotine level (in mg/ml).
The calculator automatically determines:

  • the number of boosters needed,
  • the exact volume to include in your mix.

If you don’t know your ideal dosage, a nicotine level test can help you determine the right level based on your daily cigarette consumption.

3. Set the PG/VG ratio

Now select the desired PG/VG ratio for your DIY e-liquid. The PG/VG ratio corresponds to the composition of your base and boosters:

  • PG (propylene glycol): fluidity and flavor delivery
  • VG (vegetable glycerin): vapor density and smoothness in the mouth

This information is always indicated:

  • on the product page of the base and boosters,
  • directly on the bottles.

How to choose the right PG/VG ratio?

  • A PG-rich base (e.g. 70/30 PG/VG) is more fluid and emphasizes flavors. It is recommended for low-power electronic cigarettes and high-resistance coils.
  • A VG-rich base (e.g. 30/70 PG/VG) is thicker, produces more vapor, and is perfect for powerful sub-ohm devices, while limiting leaks.
  • In case of doubt, a 50/50 PG/VG base remains the best compromise, compatible with most electronic cigarettes.

4. Indicate the dosage (dilution rate) of your flavor?

Concentrated flavors are flavor concentrates that should never be vaped alone. The dosage or dilution rate corresponds to the percentage of flavor to include in your final mix. As a rule, this rate is between 10% and 20%, meaning the flavor represents about 10 to 20% of the total volume of the e-liquid once the recipe is finished.

👉 This dilution rate is always indicated on the product sheet of each flavor.

Some manufacturers provide several percentages depending on the PG/VG ratio of the base used. In this case, it is recommended to note the value indicated for a 50/50 PG/VG base, then select your actual ratio in the calculator. The DIY calculator automatically adjusts the dosage to ensure optimal flavor.

What do you need to make a DIY e-liquid?

✔️ Essential ingredients

  • Neutral base (with or without nicotine)
  • Concentrated flavor
  • Nicotine boosters (if you want a nicotine-containing e-liquid)

✔️ Additives (optional)

E-liquid additives allow you to customize your recipe: sweeter, fresher, rounder, richer, or more intense. They are used in small amounts and add a finishing touch to your preparation.

✔️ DIY accessories

For precise dosing and clean preparation, some accessories are highly recommended:

  • Graduated bottles,
  • Syringes or droppers,
  • Beakers,
  • DIY bottle opener to easily remove caps,
  • Small empty bottles to carry your e-liquid.

DIY e-liquid: preparation steps

Once you have the dosages provided by the DIY calculator, all that’s left is to assemble your recipe:

  • Wear protective gloves if you handle nicotine.
  • Pour the indicated amount of base, then add the nicotine boosters corresponding to your final strength. Close the bottle and shake vigorously.
  • Let it rest for one to two minutes so the air bubbles disappear.
  • Then add the exact amount of concentrated flavor, then shake again.
  • During the entire maturation phase, shake and gently air out your e-liquid once a day.

Maturation (steep) time for your DIY e-liquid

Maturation, also called steeping, allows the flavors to fully develop. It should be done away from light, in a dry place, at room temperature.

Recommended resting times according to flavor type:

  • Simple fruity flavor: 0 to 5 days
  • Complex fruity flavor (fruit-only recipe): 3 to 7 days
  • Mint, anise, licorice, coffee, vanilla flavor: 1 to 2 weeks
  • Gourmet flavor: 2 to 3 weeks
  • Classic flavor (tobacco): minimum 2 weeks
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