Use in Moderation
Popcorn (Air-Popped)
15.20g net carbs per 3 cups air-popped
Popcorn carries 15.2 g net carbs in a 3 cup portion, which can eat up most of a strict keto day's budget in one snack. Measure a small handful instead of a bowl, or save it for a higher-carb day when you have room to spare.
Built by Barron Hansen · Last updated July 2026
Nutrition Facts
Fits My Daily Budget?
Set your daily net carb limit to see how one serving fits.
One serving uses 76% of your 20g daily budget.
Plan the rest of your day
Good to Know
Air-popped is the cleanest version since it skips the oil and sugar, but most bagged and microwave options add far more. Watch flavored types like kettle corn or caramel corn, where added sugar can push carbs well past these numbers. Brands such as SkinnyPop and Boom Chicka Pop are still corn at the core, so the kernel carbs remain whether the bag says 'light' or not.
Is Popcorn (Air-Popped) Keto? The Full Answer
Popcorn contains 15.20g net carbs per 3 cups air-popped (18.70g total carbs minus 3.50g fiber). Popcorn carries 15.2 g net carbs in a 3 cup portion, which can eat up most of a strict keto day's budget in one snack. Measure a small handful instead of a bowl, or save it for a higher-carb day when you have room to spare.
On a standard ketogenic diet, most people target 20-25g net carbs per day. A single serving uses 76% of a 20g daily carb limit. Track your portions carefully and account for other carbs in your meals.
Better Keto Swaps
Pork rinds are the closest stand-in for that salty crunch. A typical half-ounce handful of Epic or 4505 brand rinds runs about 0 g net carbs, so you get the snacking texture without the starch hit. Cheese crisps are another easy pick. Whisps parmesan crisps land around 1 g net carbs per serving and bring real protein plus a satisfying snap. If you want something closer to popcorn in shape, try roasted macadamia nuts. A 1-ounce portion sits near 1.5 g net carbs and keeps you reaching for a few at a time rather than a whole bowl.
Track Your Ketone Levels
The Keto-Mojo meter is the gold standard for confirming you're actually in ketosis. Know your numbers - don't guess.