Fast Foods

Q: How many calories in 100g of fast foods?

About 398 calories, with roughly 14.1g of protein. 100g weighs about 100g. Use the slider above for any other portion.

One food. Every number that matters.

398

cal per 100 g

Portion explorer

How much are you eating?

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

= 3.5 oz

Calories

398

Protein

14.1g

Carbs

19.6g

Fat

29.2g

Protein 14% Carbs 20% Fat 66%

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.

Fast Foods is 66% fat by calorie — almost all of it unsaturated.

Dense fuel, not junk. Fat is 9 cal/g vs 4 for protein or carbs — an ounce is a real portion, not a "handful."

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 398 cal. Adjust down for lighter, up for heavier.

Walking

114

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.

Fiber0.3 g1%

Sugar0 g—

Saturated fat7.857 g39%

Cholesterol82 mg27%

Sodium965 mg42%

Potassium230 mg5%

Calcium92 mg7%

Iron1.12 mg6%

Magnesium23 mg5%

Zinc0.81 mg7%

Vitamin C0 mg0%

Vitamin E0.92 mg6%

Vitamin A21 mcg2%

Vitamin D0.2 mcg1%

Vitamin B60.131 mg8%

Vitamin B120.34 mcg14%

Folate41 mcg10%

Niacin5.401 mg34%

Caffeine0 mg—

How it stacks

Compared to its neighbors.

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

Popeyes

Almost identical calories · -8g protein.

Cal401 Protein6 g Fat23.7 g

Fast Food

28 fewer calories per 100g · -7g protein.

Cal370 Protein7.1 g Fat18.9 g

Kfc

40 fewer calories per 100g · -7g protein.

Cal358 Protein7.5 g Fat17.1 g

Common questions

The stuff people actually ask.

How many calories in 100g of fast foods?

About 398 calories, with roughly 14.1g of protein. 100g weighs about 100g. Use the slider above for any other portion.

Is fast foods actually healthy, or is that marketing?

By the numbers on this page: dense in unsaturated fat, fiber, and micronutrients — the "high calorie ≠ unhealthy" case in food form.

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 →