How much nicotine is in a vape?

The nicotine content in electronic cigarettes varies greatly and there is no unified standard. The content is mainly determined by the concentration and volume of the e-liquid and is indicated in either percentage (%) or milligrams per milliliter (mg/mL).
According to the information currently available, the nicotine content of different types of e-cigarettes is approximately as follows:
?? Nicotine content of different types of e-cigarettes
Flavored e-cigarettes (from illegal channels): The nicotine content usually ranges from 2% to 5%. These products are attractive due to their flavors, but the nicotine content can be quite high and they are highly addictive.
Rechargeable electronic cigarettes: The nicotine content of mainstream products is typically around 5% (approximately 59mg/ml). For instance, a 5% concentration e-cigarette cartridge contains nicotine equivalent to that of approximately 20 traditional cigarettes.
Disposable electronic cigarettes: The content range is extremely wide. The common range is 2% to 5%, but some products are labeled with confusing ranges such as 0% to 49%.
The nicotine oil can be labeled with different concentrations such as 3mg, 6mg, 11mg, 16mg, 18mg, etc. For example, the label "18mg" indicates that there are 18 milligrams of nicotine in each milliliter of the oil.
These products are also divided into more detailed categories:
Ultra light/Very low: Approximately 8 mg/mL
Low/Light (Light/Low): Approximately 11 mg/mL
Medium/Regular: Approximately 16 mg/mL
High/Energetic (Strong/High): Approximately 24 mg/mL
Extra strong/Very high: Approximately 36 mg/mL
⚠️ Key Point Interpretation
Concentration ≠ Total Quantity: A 60ml bottle of e-liquid with a concentration of 6mg/ml contains a total nicotine content of 360mg, which is much higher than that of a 2ml cartridge with a concentration of 59mg/ml (118mg). Focusing only on the concentration and ignoring the volume will seriously underestimate the intake amount.
Nicotine salts make high concentrations more palatable: Many high-concentration e-cigarettes use "nicotine salts", which make the high concentration of nicotine smooth and less irritating to the throat, making it easier for people to inhale high doses of nicotine without realizing it.
The product labels may not be standardized: There might be cases where the nicotine content of some products is labeled in an unstandardized or misleading manner.
Given that electronic cigarettes (especially those with flavors) are illegal products in China, their ingredients and safety cannot be guaranteed. If you are looking for ways to quit smoking, it is recommended to consult a professional doctor or use approved smoking cessation medications by the government, as these are safer and more effective approaches.