Nicotine strength converter
See how much nicotine is in the liquid you vape each day, what the same amount of liquid holds at other strengths, and what strength a shortfill mix comes out at.
Nicotine in your liquid
| Strength | 20 mg/ml (2%) |
| Liquid a day | 1.4 ml |
| Nicotine in that liquid, a day | 28.6 mg |
| Nicotine in your liquid, a week | 200 mg |
The same amount of liquid at other strengths
| Strength | Nicotine a day |
|---|---|
| 20 mg/ml | 28.6 mg |
| 18 mg/ml | 25.7 mg |
| 12 mg/ml | 17.1 mg |
| 6 mg/ml | 8.6 mg |
| 3 mg/ml | 4.3 mg |
| 0 mg/ml | 0 mg |
This is the nicotine in the liquid, not the amount your body takes in, which depends on your device and how you vape. It isn't dosing advice: if you're planning to cut down, a pharmacist or your local Stop Smoking Service can help you plan it.
Shortfill mixer
Shortfills are nicotine-free liquid with space left in the bottle to add a nicotine shot. Work out the strength of the mix:
How much nicotine is in a 2ml 20mg pod?
A 2ml pod at 20 mg/ml holds 40 mg of nicotine in its liquid: 2ml × 20 mg per ml. That's the nicotine in the liquid, not the amount your body takes in, which depends on your device and how you vape. At 10 mg/ml, the same pod holds 20 mg.
What does 2% nicotine mean?
2% nicotine means 20 mg of nicotine in every ml of liquid, the highest strength allowed in the UK. To turn a percentage into mg/ml, multiply by 10: 1.8% is 18 mg/ml, 1% is 10 mg/ml and 0.3% is 3 mg/ml. The converter above does this for you.
Reading nicotine labels
- mg/ml is milligrams of nicotine in each millilitre of liquid. A 2ml pod at 20 mg/ml holds 40 mg of nicotine in its liquid.
- Percentages are the same thing in a different unit: 2% is 20 mg/ml, 1.8% is 18 mg/ml and 0.3% is 3 mg/ml.
- UK limits: nicotine liquid sold in the UK can be at most 20 mg/ml, vape tanks and pods can hold at most 2ml, and refill bottles of nicotine liquid can hold at most 10ml.
- Nicotine salts and "freebase" liquid are labelled the same way: 20 mg/ml means the same amount of nicotine in the liquid either way.
Work out what your vaping costs with the vape savings calculator.
Last updated 4 October 2026. We don't store anything you type.