How Many Calories Are in Vapes? The Surprising Truth You Need to Know

Good news, vapers: if you’re asking “how many calories are in vapes?”, the answer is basically so close to zero you don’t need to panic about it.

I’ve been testing vape gear and juices for about eight years now, and this question comes up more than you’d think. Back when I was cutting calories hard, weighing my chicken breast and logging every bite, I remember taking a few pulls of a mango icE Vape and thinking: “Great… did I just vape away my deficit?”

Short answer: no, you didn’t.

Yes, there is some calorie content in vape juice on paper. But because you’re inhaling it instead of eating it, your body doesn’t treat it like food. If you’re tracking macros or trying to lose weight, you can safely treat vapes as virtually zero‑calorie from a diet point of view.

The Short Answer: How Many Calories Are in Vapes?

• The liquid in your vape (e‑liquid / vape juice) technically has calories.
• Rough ballpark: around 4–5 calories per milliliter of e‑liquid if you drank it.
• When you vape it, only a tiny fraction of that ever ends up in your body, and it doesn’t go through your digestive system.
• So in normal use, how many calories are in vapes? For real life, pretty much zero.

What ArE Vapes Made Of?

Most vape liquids are a mix of propylene glycol (PG), vegetable glycerin (VG), flavourings and (optionally) nicotine. PG is thin and helps carry flavour; VG is thicker, slightly sweet and makes clouds; flavours are everything from simple menthol to wild dessert blends.

If you treated PG and VG like carbs on a nutrition label, they’d be about 4 calories per gram, similar to other carbohydrates. That works out to a few calories per milliliter of PG/VG mix. Flavourings and sweeteners might add trace calories, but the amounts are tiny.

The U.S. Food and Drug Administration (FDA) lists propylene glycol and vegetable glycerin as common food and cosmetic ingredients that are generally recognised as safe when eaten in normal amounts. [link to FDA information on propylene glycol and vegetable glycerin]

So yes, the calorie content in e‑liquids exists on paper — but nobody is drinking the bottle like a milkshake.

Calories in Vape Juice vs Calories When You Vape

If you poured your e‑liquid into a glass and drank it, those calories in vape juice would count just like any other calories. Your stomach and intestines would break down the PG and VG, and your body could use that energy.

When you vape, the story changes. The coil heats the liquid into an aerosol, you inhale it, some things like nicotine are absorbed through lung tissue, and a lot of the vapour is simply exhaled again. Your lungs are great at swapping gases like oxygen and carbon dioxide; they’re not designed to digest carbs the way your gut does.

The easiest way to picture it is smelling food cooking. When you walk past a bakery and get hit with the smell of fresh donuts, you’re technically inhaling tiny particles — but you don’t log “2 donuts” in your calorie tracker just for the smell. Vaping is much closer to that “smell the donuts” situation than to actually eating dessert.

Any microscopic amount of PG/VG that might be absorbed is so small it won’t move the needle on your daily total. So, in any meaningful, weight‑loss sense, the answer to how many calories are in vapes is: effectively zero.

A Real‑Life Night: Vaping, Netflix and Snacks

Since we’re talking about vaping and weight gain, here’s a very real moment from my own life.

One Tuesday night, I told myself I’d been “good” all day. Macros on point, steps done, no dessert. I sat down to watch “just one episode”, grabbed my sweet strawberry donut vape, and thought, “This will kill the sugar craving without the calories.” I chain‑vaped through the episode, opened a family‑size bag of crisps “just to have a few”, and by the time the second episode started, half the bag was gone and a couple of cookies had mysteriously disappeared too.

The problem wasn’t hidden calories in vape juice. The problem was mindless snacking while I was zoned out in front of a screen.

On another evening, the exact same flavour after dinner stopped me ordering dessert. Same juice, same device, totally different result because my behaviour was different.

So Does Vaping Make You Gain Weight?

People asking “do vapes have calories?” usually care less about the number on paper and more about what happens on the scale. Nicotine can dampen appetite a bit and nudge metabolism, and lots of people gain a few kilos after quitting smoking — mostly because they snack more or their routines change, not because e‑liquids are packed with energy.

If your weight shifts after you start or stop vaping, it’s almost always about food, movement, stress and sleep, not the tiny calories in vape juice.

Public health bodies like the CDC are also clear that e‑cigarettes and nicotine come with their own health risks and are not meant to be weight‑loss tools, especially if you don’t already smoke. [link to CDC facts about e‑cigarettes]

So yes, vaping and weight gain can be linked — but through behaviour, not through calories.

Do Disposable and Sweet Vapes Have Calories?

You see names like “cotton candy ice” or “caramel latte” and your brain goes straight to, “Awesome, I’m literally vaping dessert now.” That’s where people start worrying about things like calories in Disposable Vapes.

In reality, disposables usually use the same kind of liquid as refillable kits: PG, VG, flavourings and nicotine. The base calorie content in e‑liquids is basically the same whether it’s in a bottle or sealed inside a disposable, and many sweet vapes use intense, low‑ or zero‑calorie sweeteners rather than sugar syrup.

Calorie‑wise, you can treat almost all modern setups as zero caloriE Vapes in practice, because you’re not swallowing the liquid and the absorbed amount is tiny. The bigger questions with disposables are about nicotine strength, flavour chemicals and waste — not about what they’re doing to your macro tracking.

If you’re calorie‑conscious, dessert flavours can be a tool: for some people, a few pulls after dinner replaces cake or ice cream; for others, sweet vapes trigger more cravings. Pay attention to which camp you fall into and adjust flavours accordingly.

So, Should You Worry About Vape Calories At All?

Back to the big question: how many calories are in vapes?

On a lab chart, the PG/VG in your e‑liquid has a few calories per milliliter. When you actually vape it, your body absorbs so little, and in such a different way, that it’s effectively a zero‑calorie habit from a diet perspective.

Your weight is driven by food, drink, movement, sleep, and stress — not by the tiny theoretical calories floating in your clouds.

That doesn’t make vaping “healthy” or risk‑free. It just means your scale is reacting to what’s on your plate way more than what’s in your tank or pod.

If you already vape and want to keep things as light as possible, focus on your diet first, don’t start vaping just to dodge snacks, and use flavours in a way that helps rather than harms your habits.

Check out our top zero‑caloriE Vape recommendations here. [link to our top zero‑caloriE Vape recommendations]

Has your vape ever helped you skip dessert, or does that sweet flavour just make you hungrier? Drop a comment and tell me your experience — I read them all.