Mixing shortfills doesn’t need to be complicated. With this nicotine shot calculator, you can instantly work out how much nicotine to add to your e-liquid. Whether you’re topping up a 50 ml shortfill, a 100 ml bottle, or experimenting with different strengths, this tool takes the guesswork out of mixing.
Most vapers in the UK use 18 mg nicotine shots or 20 mg nic salt shots, and it can be confusing knowing how many millilitres or how many 10 ml shots you actually need. That’s where this calculator comes in handy. Enter your base liquid size, your shot strength, and your target nicotine level, and you’ll get an exact answer in seconds. No maths, no mistakes, just a clean result you can trust.
This nic shot calculator works with:
Standard 18 mg freebase shots
Nic salt shot calculator inputs up to 20 mg
Popular shortfill sizes such as 50 ml and 100 ml
Final strengths like 1.5 mg, 3 mg, or 6 mg
It’s designed for adult smokers who want a simple way to measure their mixes accurately. Remember: all Vape and Go products are intended for adults over 18, nicotine is addictive, and vaping is not risk-free.
Finding the right nicotine strength for your shortfill can be confusing. That’s why Vape and Go made this nicotine shot calculator. It’s designed for standard 18 mg nic shots, nic salt shots, and all popular UK shortfill sizes. Just enter your bottle size, shot strength, and target strength to see exactly how much nicotine to add for your perfect mix.
Products are intended for adult smokers only, strictly 18+, and not risk-free.
Using the vape nicotine shot calculator is straightforward:
Enter the size of your 0 mg shortfill e-liquid (e.g., 50 ml or 100 ml).
Type in your nicotine shot strength (usually 18 mg for freebase or 20 mg for nic salts).
Add the final nicotine strength you’d like to achieve (most vapers mix to 3 mg).
Press Calculate! and the tool will show exactly how many millilitres — and how many 10 ml bottles — you’ll need to add.
The result is accurate to two decimal places, so whether you’re adding a full bottle or a partial shot, you’ll know exactly how to mix your shortfill.
Most shortfills in the UK are designed with space for a 10 ml or 20 ml addition, making 18 mg nic shots the standard choice. This 18 mg nicotine shot calculator includes presets for the most common mixes, so you can get your result with a single click.
50 ml shortfill to 3 mg → Add 10 ml of 18 mg nic shot. This is exactly one standard bottle. Your final volume will be 60 ml of e-liquid at 3 mg strength.
100 ml shortfill to 3 mg → Add 20 ml of 18 mg nic shots. That’s two bottles, giving you 120 ml at 3 mg strength.
These are the most popular shortfill mixes, but you can also use the calculator to work out other strengths such as 1.5 mg or 6 mg. For example, mixing a 50 ml shortfill to 6 mg with 18 mg shots would require around 25 ml (2.5 bottles) — which usually means transferring into a bigger bottle for space.
The 18mg nic shot calculator UK function is ideal if you’re using freebase shots and want a smooth, predictable way to reach your preferred strength.
Nicotine salts (nic salts) are smoother at higher strengths and are also widely sold in the UK at 20 mg/ml, which is the legal TPD limit. If you prefer nic salts, simply set the calculator’s “Nicotine Shot Strength” field to 20.
Here’s how the nic salt shot calculator works for common mixes:
50 ml shortfill to 3 mg with 20 mg nic salt shot → Add about 8.8 ml. This is just under a full 10 ml bottle, giving you roughly 58.8 ml of finished e-liquid at 3 mg strength.
100 ml shortfill to 3 mg with 20 mg nic salt shots → Add about 17.6 ml. That’s just under two bottles, resulting in 117.6 ml at 3 mg strength.
Because 20 mg nic salt shots are stronger than 18 mg freebase shots, you’ll use slightly less liquid to reach the same final strength. This is useful if you want to keep the final bottle size closer to the original shortfill volume or if you prefer the smoother throat hit of salts.
The calculator also works for less common mixes — for example, taking a 100 ml shortfill to 6 mg with 20 mg nic salts would need around 35.3 ml (just over 3.5 bottles). Again, you’d need a larger mixing bottle to make space.
Check common UK shortfill mixes using 18 mg shots. Values are rounded to two decimals and match the calculator’s formula.
| Shortfill (0 mg) | Target Strength | Shot Strength | Nic Shot to Add | Approx. 10 ml Shots | Final Volume |
|---|---|---|---|---|---|
| 50 ml | 1.5 mg | 18 mg | 4.55 ml | ~0.46 | 54.55 ml |
| 50 ml | 3 mg | 18 mg | 10.00 ml | 1.00 | 60.00 ml |
| 50 ml | 6 mg | 18 mg | 25.00 ml | 2.50 | 75.00 ml |
| 100 ml | 1.5 mg | 18 mg | 9.09 ml | ~0.91 | 109.09 ml |
| 100 ml | 3 mg | 18 mg | 20.00 ml | 2.00 | 120.00 ml |
| 100 ml | 6 mg | 18 mg | 50.00 ml | 5.00 | 150.00 ml |
Tip: 6 mg mixes usually won’t fit in the original bottle. Move the liquid into a bigger empty bottle before adding your shots.
This table shows common mixes using 20 mg nic salt shots. Results match the vape nicotine shot calculator and are rounded to two decimals.
| Shortfill (0 mg) | Target Strength | Shot Strength | Nic Shot to Add | Approx. 10 ml Shots | Final Volume |
|---|---|---|---|---|---|
| 50 ml | 1.5 mg | 20 mg | 4.05 ml | ~0.41 | 54.05 ml |
| 50 ml | 3 mg | 20 mg | 8.82 ml | ~0.88 | 58.82 ml |
| 50 ml | 6 mg | 20 mg | 21.43 ml | 2.14 | 71.43 ml |
| 100 ml | 1.5 mg | 20 mg | 8.11 ml | ~0.81 | 108.11 ml |
| 100 ml | 3 mg | 20 mg | 17.65 ml | ~1.77 | 117.65 ml |
| 100 ml | 6 mg | 20 mg | 42.86 ml | 4.29 | 142.86 ml |
Note: Because 20 mg shots are stronger, you’ll add a little less liquid than with 18 mg to reach the same target.
Once you’ve worked out your perfect mix with the nicotine shot calculator UK, you’ll need the right e-liquids and nicotine shots to get it spot on. At Vape and Go, all shots and shortfills are TPD-compliant, so every calculation from the 18mg nicotine shot calculator or the nic salt shot calculator can be applied directly with confidence.
Here are some of the most popular options you can order today:
Vape Juice (Shortfills) – a huge selection of 50 ml and 100 ml shortfills ready to mix with nic shots.
Nic Salts – perfect if you’re using the nic salt shot calculator and want smooth, satisfying salts.
Doozy Vape E-Liquids – bold, fruity flavours that pair perfectly with the vape nicotine shot calculator results.
Kingston E-Liquids – a UK favourite, ideal for mixes worked out with the 18mg nicotine shot calculator.
Ultimate Puff E-Liquids – strong flavours designed for shortfill and nic shot mixing.
Fantasi E-Liquids – premium shortfills in unique flavour blends, easy to mix using the nic shot calculator UK.
Bar Juice 5000 Nic Salts – one of the best-selling nic salt ranges in the UK.
Elux Legend Nic Salts – smooth 20 mg nic salt shots and flavours, great with the nic salt shot calculator.
Elfliq Nic Salts by Elf Bar – authentic Elf Bar nic salts, easy to calculate and mix using the vape nicotine shot calculator.
With these options, you can take the results from the nicotine shot calculator 18mg or 20mg nic salt calculator and create a mix that matches your preferred strength and flavour profile.
All results from this vape nicotine shot calculator are intended for practical mixing guidance only. Products are designed for adult smokers (18+) as a nicotine alternative.
Nicotine is addictive.
Vaping is not risk-free and should only be used by adults.
All nicotine shots listed here, whether 18mg freebase nic shots or 20mg nic salt shots, are fully TPD-compliant in the UK.
Always store nicotine shots safely, keep them away from children and pets, and only purchase from trusted retailers like Vape and Go to ensure you’re using genuine, compliant products.
A nicotine shot (often shortened to nic shot) is a 10 ml bottle of nicotine e-liquid, usually in 18 mg or 20 mg strength. You add it to a nicotine-free shortfill to create your preferred strength. The nic shot calculator UK shows exactly how much to add, so your mix is accurate every time.
Yes. The tool doubles as a nic salt shot calculator. Simply set “Nicotine Shot Strength” to 20 mg instead of 18 mg, and the calculator will work out the correct volume. This is perfect for vapers who prefer the smoother throat hit of nic salts.
The 18mg nicotine shot calculator is the standard option most UK vapers use. It calculates how much of a 18 mg freebase shot you need to add to 50 ml or 100 ml shortfills to reach 1.5 mg, 3 mg, or 6 mg strengths. For example, the calculator shows that a 50 ml shortfill needs one full 10 ml shot to reach 3 mg.
This message appears if you try to make your e-liquid stronger than the nicotine shot itself. For example, you can’t use an 18 mg shot to create a 24 mg e-liquid — the maths doesn’t work. The vape nicotine shot calculator enforces this rule so your mixes stay realistic and accurate.
No. VG/PG ratio changes the thickness and throat hit of your e-liquid, but it doesn’t affect nicotine strength. The nic shot calculator UK only needs three inputs: base liquid size, nicotine shot strength, and target strength.
Yes. The nicotine shot calculator lets you set any final strength. For example:
50 ml shortfill to 1.5 mg with an 18 mg shot → add about 4.55 ml.
100 ml shortfill to 6 mg with an 18 mg shot → add 50 ml (five shots).
At higher strengths, you’ll usually need to transfer into a larger bottle to make space.
Yes. The calculator shows results in millilitres, so you can measure half a bottle or even less. That’s why it’s useful as both an 18mg nicotine shot calculator and a nic salt shot calculator UK — it gives exact volumes, not just whole bottles.
No. This nicotine shot calculator is for mixing guidance only. Products are designed for adult smokers (18+) as a nicotine alternative. Nicotine is addictive, and vaping is not risk-free.
Salman Essap is the founder and CEO of Vape and Go, a leading online retailer of high-quality vaping products and accessories. Alongside his crucial involvement in the company, he is passionate about vaping and is committed to helping others switch from harmful tobacco products to safer alternatives. Salman is an expert in the vaping industry and has extensive knowledge of the latest trends, technologies, and innovations.
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