Popcorn

Q: How many calories in oz of popcorn?

About 108 calories, with roughly 0.6g of protein. oz weighs about 28.35g. Use the slider above for any other portion.

Engineered to be eaten in one sitting. Weigh, do not guess.

381

cal per 100 g

Portion explorer

How much are you eating?

Drag the slider or type grams. Everything below updates live.

= 1.0 oz

Calories

108

Protein

0.6g

Carbs

25.5g

Fat

0.4g

Protein 2% Carbs 95% Fat 3%

Get weekly calorie thinking from Caloro

One short email a week — food comparisons, restaurant hacks, and honest calorie thinking. No fluff, no fads.

Unsubscribe anytime. No spam.

You’re on the list. Your first email arrives once we have something worth sending — probably this week.

Popcorn: 381 cal per 100g, mixed macros.

No single number tells the story. Use the slider to fit it to your day.

Reverse calculator

Work backwards from your target.

To hit grams of protein, eat:

—

For calories, eat:

—

Burn it off

What per 100 g costs.

Minutes for a 155 lb (70 kg) adult to burn 381 cal. Adjust down for lighter, up for heavier.

Walking

109

min · 3.5 mph

Cycling

min · easy pace

Jogging

min · 5 mph

Swimming

min · freestyle

Estimates from the Compendium of Physical Activities. Real burn depends on weight, intensity, and fitness.

Full nutrient panel · per 100 g

What else is in there.

From USDA FoodData Central (SR Legacy). %DV against the FDA 2,000-calorie reference.

Fiber2.5 g9%

Sugar64.68 g—

Saturated fat0.2 g1%

Cholesterol0 mg0%

Sodium286 mg12%

Potassium110 mg2%

Calcium18 mg1%

Iron0.8 mg4%

Magnesium27 mg6%

Zinc0.62 mg6%

Vitamin C0 mg0%

Vitamin E0.13 mg1%

Vitamin A2 mcg0%

Vitamin D0 mcg0%

Vitamin B60.047 mg3%

Vitamin B120 mcg0%

Folate4 mcg1%

Niacin0.342 mg2%

Caffeine0 mg—

How it stacks

Compared to its neighbors.

per 100 g, as-served. Same portion, honest comparison.

Rice Cake

11 more calories per 100g · +5g protein.

Cal392 Protein7.1 g Fat4.3 g

Rice and Wheat Cereal Bar

28 more calories per 100g · +7g protein.

Cal409 Protein9.1 g Fat9.1 g

Milk and Cereal Bar

32 more calories per 100g · +4g protein.

Cal413 Protein6.5 g Fat11 g

Common questions

The stuff people actually ask.

How many calories in oz of popcorn?

About 108 calories, with roughly 0.6g of protein. oz weighs about 28.35g. Use the slider above for any other portion.

Is popcorn actually healthy, or is that marketing?

By the numbers on this page: balanced enough that "healthy" is the wrong axis. It is food.

Stop typing grams. Snap the plate.

Caloro reads any food from a photo and logs it in a second. Free to try, no card.

Open Caloro →