Last Updated: August 25, 2026
Vaping has become increasingly popular over the years, with millions of people opting for this alternative to smoking. However, as with many lifestyle choices, questions surrounding vaping and its effects continue to arise. One intriguing question that has piqued curiosity is, “How Many Calories are in a Vape?” This article dives deep into that query to explore the caloric content of vape juice, its ingredients, and whether vaping has any impact on weight gain or loss.
What Are the Ingredients in Vape Juice?
To fully understand if vapes have calories, it’s essential to explore the main ingredients that make up vape juice. The primary components of e-liquid are propylene glycol (PG), vegetable glycerin (VG), flavorings, and nicotine.
Propylene Glycol (PG) and Vegetable Glycerin (VG)
The majority of vape juices contain a combination of PG and VG. These two ingredients act as carriers for both the flavor and nicotine, producing the vapor that users inhale.
- Propylene Glycol (PG): This is a synthetic liquid substance that absorbs water. It’s used in a variety of food, cosmetic, and medical products due to its moisture-retaining properties. From a caloric standpoint, PG contains approximately 4 calories per gram.
- Vegetable Glycerin (VG): VG is derived from plant oils and is commonly used in food products, such as sweeteners or to help foods retain moisture. VG is slightly thicker and sweeter than PG, and it also contains about 4.32 calories per gram.
Flavorings
Vape juice flavorings are typically food-grade additives designed to create a wide range of tastes, from fruity to savory. Most flavorings are highly concentrated and often mixed with a carrier liquid like PG or VG, contributing minimally to the caloric content. While alcohol-based flavors are sometimes used to enhance throat hit, their caloric impact is minuscule and almost negligible due to their low concentration.
Nicotine
Nicotine, whether extracted from tobacco or synthesized in labs, doesn’t contain any measurable calories. Since it constitutes only a small percentage of the e-liquid—typically ranging from 0.3% to 5%—its presence doesn’t impact the caloric content of vape juice.
How Many Calories Does a Typical Vape Contain?
Now that we’ve broken down the ingredients, let’s address how many calories a vape contains.
On average, vape juice contains about 5 calories per milliliter. This estimate is based largely on the caloric content of the PG and VG components, which make up more than 90% of most e-liquids. A typical 2 mL vape tank filled with standard vape juice could contain approximately 10 calories, assuming the vape juice is primarily composed of VG and PG.
Caloric Value of VG and PG
- VG: Each milliliter of VG weighs about 1.26 grams, contributing approximately 5.4 calories per milliliter.
- PG: Slightly lighter, PG weighs 1.036 grams per milliliter and contributes roughly 4.14 calories per milliliter.
When you combine these two main components in a typical 50/50 blend of PG/VG, you end up with around 5 calories per milliliter of e-liquid.
Can You Absorb Calories From Vaping?
While the calorie count in vape juice may seem notable, the key factor to consider is whether these calories can be absorbed into your body. The simple answer is no.
The Role of the Digestive System
Calories are absorbed through the digestive system. The process of caloric absorption requires the consumption of food or drink, where the calories are processed in the stomach and intestines. Vaping, however, involves inhaling vapor into the lungs, bypassing the digestive system altogether. This means that even though vape juice contains calories, they are not absorbed when inhaled. Your lungs are not designed to metabolize calories in the same way your stomach is.
Swallowing E-Liquid Residue
Occasionally, a small amount of e-liquid may condense in your mouth and be swallowed while vaping. However, the volume is so tiny that the caloric impact would be negligible. Even if you vaped continuously throughout the day, the calories swallowed this way wouldn’t add up to anything meaningful in terms of dietary intake.
Do Vapes Have Calories Causing Weight Gain?
Given that the calories in vape juice are not absorbed, vaping cannot directly cause weight gain.
Why Vaping Doesn’t Lead to Weight Gain
As explained, your body cannot absorb the calories present in the ingredients of vape juice. Furthermore, the caloric content of even a large quantity of vape juice is so low that it would pale in comparison to the calories consumed through regular food or drink. For example, 10 mL of vape juice (a considerable amount for daily use) contains only about 50 calories. That’s equivalent to just a bite of a chocolate bar, which is far too minimal to affect your overall caloric intake.
Do Different Vape Types Have Varying Caloric Contents?
Vaping devices, whether disposable or refillable, all use the same types of e-liquid, and therefore do not differ significantly in terms of caloric content. Whether you use a vape pen, pod system, or a box mod with sub-ohm tanks, the calories come from the e-liquid itself, not the device. So, the type of vape device you use doesn’t influence the caloric intake.
How Vaping Can Affect Weight Management
While vaping itself doesn’t contribute any meaningful calories to your diet, it can influence your weight in other ways. For some, vaping has been linked to weight management strategies because it can reduce cravings for snacks or sugary drinks.
Can Vaping Replace Snacking?
Vaping, particularly with sweet or fruity flavors, might reduce the temptation to indulge in high-calorie snacks. Some individuals have found that vaping can serve as a substitute for comfort eating or snacking, thus indirectly helping with weight control. However, this is more of a behavioral influence than a direct metabolic one.
Common Myths About Vaping and Calories
There are several myths circulating regarding vaping and calories. Let’s debunk a couple of the most common ones:
Myth 1: Vaping Adds Calories to Your Diet
This is false. While vape juice contains minimal calories, they are not absorbed when you inhale, meaning there’s no addition to your caloric intake.
Myth 2: Vaping Helps Burn Calories
Another misconception is that vaping somehow burns calories. Vaping doesn’t engage any processes that lead to calorie burning beyond the basal metabolic rate. Therefore, it doesn’t contribute to weight loss in any meaningful way.
Vaping and Health Considerations Beyond Calories
While the focus of this article is on calories, it’s important to note that vaping carries other health implications. For example, while vape juice ingredients like VG and PG are generally considered safe for inhalation, flavorings and nicotine still pose potential risks to oral health. Maintaining proper oral hygiene while vaping is crucial to avoid problems like “vaper’s tongue” and residue buildup.
Conclusion
So, how many calories are in a vape? The amount is insignificant—around 5 calories per milliliter, and these calories are not absorbed through vaping. Therefore, vaping won’t affect your calorie intake or cause weight gain. For those looking to manage cravings or explore flavorful options, vaping can be a useful alternative to high-calorie snacks, without impacting your diet.
At Generation V, we offer a wide variety of vape juices, devices, and accessories to fit every lifestyle. Our knowledgeable staff is ready to assist, whether you’re looking to switch up your flavor profile or transition to vaping.
Visit any Generation V or explore our online shop today for exclusive deals and personalized recommendations. Take control of your vaping experience and enjoy high-quality products at competitive prices!



