E-Liquid Calculator
Precisely craft your own DIY e-juice from scratch. This eliquid calculator provides exact measurements for perfect, repeatable results every time.
Choose whether to measure your ingredients by volume (milliliters) or the more accurate method of weight (grams).
The final volume of your e-liquid in milliliters (ml).
The target nicotine concentration of your final mix in mg/ml.
The percentage of Vegetable Glycerin (VG) in your final mix. The rest will be Propylene Glycol (PG).
The strength of your concentrated nicotine solution in mg/ml.
The percentage of VG in your nicotine base. Enter 0 for 100% PG, 100 for 100% VG, or 50 for a 50/50 mix.
The total percentage of all flavor concentrates combined.
What is an E-Liquid Calculator?
An eliquid calculator is an essential tool for vapers who prefer to create their own e-juice, a practice commonly known as “DIY” (Do-It-Yourself). It takes the guesswork out of mixing by providing the precise measurements for each core ingredient: nicotine base, Propylene Glycol (PG), Vegetable Glycerin (VG), and flavorings. Using a calculator ensures safety, consistency, and allows you to perfectly tailor your vape juice to your exact preferences in terms of nicotine strength, flavor intensity, and vapor production.
This tool is invaluable for everyone from beginners just starting their DIY journey to seasoned experts who need to document and replicate their complex recipes. By accurately calculating component ratios, you can avoid common mistakes like creating a liquid that is too harsh, has a muted flavor, or doesn’t match your desired PG/VG balance. For more advanced recipes, consider our advanced vape calculator.
The E-Liquid Calculator Formula and Explanation
The core of any eliquid calculator is a set of formulas that determine the volume or weight of each component based on your desired final product. While it may seem complex, the logic is straightforward. We assume flavorings are PG-based, a common standard in DIY mixing.
Formula Variables
The calculator uses the following inputs to generate your recipe:
| Variable | Meaning | Unit | Typical Range |
|---|---|---|---|
| Total Amount | The total volume of the final e-liquid bottle. | ml | 10 – 250 |
| Desired Strength | The target nicotine concentration for the final product. | mg/ml | 0 – 20 (for freebase), 10 – 50 (for salts) |
| Desired VG Ratio | The target percentage of Vegetable Glycerin in the final mix. | % | 30 – 90 |
| Nicotine Base Strength | The concentration of your nicotine stock solution. | mg/ml | 36, 48, 72, 100 |
| Nicotine Base Liquid | The percentage of VG your nicotine is suspended in. | % VG | 0 (100% PG) – 100 (100% VG) |
| Total Flavoring | The combined percentage of all flavor concentrates. | % | 5 – 25 |
Calculation Steps:
- Nicotine Calculation: First, we determine how much of your nicotine base is needed.
Nicotine Amount = (Desired Strength / Nicotine Base Strength) * Total Amount - Flavoring Calculation: Next, we calculate the total amount of flavoring needed.
Flavoring Amount = (Total Flavoring % / 100) * Total Amount - Base Liquid Calculation: The remaining volume is your unflavored PG and VG base.
Total Base = Total Amount - Nicotine Amount - Flavoring Amount - Final VG/PG Amounts: Finally, we calculate the precise amounts of standalone PG and VG to add, accounting for the PG/VG content already present in your nicotine base and assuming flavors are 100% PG. This is the most complex step, ensuring your final ratio is perfect.
Practical Examples
Example 1: Smooth, High-VG Mix
Let’s say you want to create 60ml of a low-nicotine, high-VG liquid for smooth clouds, using a common nicotine base. Check out our guide on steeping ejuice to perfect the final flavor.
- Inputs:
- Total Amount: 60 ml
- Desired Strength: 3 mg/ml
- Desired VG Ratio: 80%
- Nicotine Base Strength: 72 mg/ml
- Nicotine Base Liquid: 100% VG
- Total Flavoring: 12%
- Results (in ml):
- Nicotine Base: 2.50 ml
- Propylene Glycol (PG): 2.30 ml
- Vegetable Glycerin (VG): 48.00 ml
- Flavoring(s): 7.20 ml
Example 2: Balanced 50/50 Nic Salt Mix
Here, the goal is a 30ml bottle with a higher nicotine content and balanced throat hit, suitable for a pod system. Understanding freebase vs nic salts is key here.
- Inputs:
- Total Amount: 30 ml
- Desired Strength: 20 mg/ml
- Desired VG Ratio: 50%
- Nicotine Base Strength: 100 mg/ml
- Nicotine Base Liquid: 50% VG
- Total Flavoring: 18%
- Results (in ml):
- Nicotine Base: 6.00 ml
- Propylene Glycol (PG): 3.60 ml
- Vegetable Glycerin (VG): 15.00 ml
- Flavoring(s): 5.40 ml
How to Use This E-Liquid Calculator
Using our eliquid calculator is a simple, step-by-step process:
- Select Your Unit: First, choose whether you will be measuring your ingredients by volume (ml) or by weight (grams). Grams is recommended for higher accuracy.
- Enter Target Recipe: Fill in the top three fields for your desired final product: the total bottle size, the nicotine strength, and the VG percentage.
- Enter Your Ingredients: In the second section, input the details for the ingredients you have on hand: your nicotine base’s strength and its own PG/VG ratio, and the total percentage for all your flavorings.
- Review Your Recipe: The calculator will instantly update, showing you a detailed breakdown in the results table and a visual chart.
- Mix with Confidence: Carefully measure each ingredient according to the generated recipe. Always wear gloves when handling nicotine.
Key Factors That Affect E-Liquid Mixing
Several factors can influence the outcome of your DIY e-juice. Paying attention to them is crucial for creating the perfect vape.
- Nicotine Base Strength: This is the most critical ingredient for safety. Always double-check your nicotine strength (e.g., 72mg/ml vs 100mg/ml) as a mistake here can make the liquid unvapable or dangerous.
- PG/VG Ratio: This ratio determines the core experience. High VG leads to thicker clouds and a smoother hit, while high PG provides a stronger throat hit and carries flavor more effectively. Find your ideal PG/VG Ratios for your device.
- Flavor Percentage: Different concentrates have different potencies. A starting point of 10-15% total flavor is common, but you may need to adjust based on the specific flavors you’re using.
- Steeping: This is the process of letting your mixed e-juice sit for a period (days to weeks). It allows the flavors to meld and deepen, often dramatically improving the taste.
- Accuracy of Measurement: Using a digital scale to measure by weight (grams) is far more accurate than measuring by volume (ml), as it eliminates inconsistencies from liquid density and measurement reading errors.
- Base Liquid Purity: Always use high-quality, pharmaceutical-grade Propylene Glycol and Vegetable Glycerin to ensure the safety and purity of your final product.
Frequently Asked Questions (FAQ)
- 1. Why should I use grams instead of ml?
- Measuring by weight (grams) is more accurate because it isn’t affected by temperature or the slight variations in reading a syringe. Digital scales are precise and make the process faster and more repeatable.
- 2. What is steeping and is it necessary?
- Steeping is allowing your e-liquid to age. While not always necessary for simple fruit flavors, it is highly recommended for complex dessert, cream, and tobacco blends, as it significantly enhances and deepens the flavor profile.
- 3. The calculator shows a negative PG value. What did I do wrong?
- This usually means your recipe is impossible to create with the given ingredients. It happens if the PG from your nicotine base and flavorings alone exceeds the total PG required for your desired final VG/PG ratio. Try lowering the flavor percentage or using a higher VG nicotine base.
- 4. Can I mix multiple flavorings?
- Yes. The ‘Total Flavoring (%)’ field should be the sum of all individual flavor percentages. For example, if you use 10% Strawberry and 5% Cream, you would enter 15% in the calculator.
- 5. What’s the difference between freebase and salt nicotine?
- Freebase nicotine is the traditional form, which provides a noticeable “throat hit” at higher strengths. Nicotine salts are smoother, allowing for higher concentrations without the harshness, making them popular in low-power pod devices. Our calculator works for both; just enter the correct strength values.
- 6. Is it safe to make my own e-liquid?
- It is safe if you follow proper procedures. The biggest risk comes from handling concentrated nicotine. Always wear nitrile gloves, work in a clean area, and keep your supplies away from children and pets. Start with a reliable DIY starter kit.
- 7. How do I store my DIY e-liquid?
- Store your finished e-liquid, as well as your base ingredients, in a cool, dark place away from direct sunlight. This prevents the nicotine from oxidizing and the flavors from degrading over time.
- 8. My flavor seems weak, what should I do?
- First, try steeping the liquid for a week. If the flavor is still weak, you can try increasing the total flavor percentage slightly. Be aware that some people experience “vaper’s tongue,” a temporary loss of taste for a specific flavor, which may require you to switch flavors for a while.
Related Tools and Internal Resources
Expand your DIY e-juice knowledge with our other powerful tools and in-depth guides:
- Coil Wrapping Calculator: Calculate the perfect coil builds for your RDA or RTA.
- Ohm’s Law Vaping Guide: Understand the essential electronic principles for safe vaping.
- E-Juice Steeping Methods: Explore different techniques to mature your e-liquid flavors.
- Vape Battery Life Estimator: Estimate how long your batteries will last with your current setup.