February 2, 2024

How Many Calories Are in Carbohydrates, Fats, Proteins, and Alcohol?


Hey there, all you food enthusiasts and curious minds! Today, we’re diving into a topic that’s important for our daily lives: calories. Calories are those tiny units of energy that fuel our bodies, and they come from different sources like carbohydrates, fats, proteins, and even alcohol. So, let’s break it down and find out just how many calories are hiding in these different substances.

Carbohydrates: The Energy Boosters

Carbohydrates are like the go-to fuel for our bodies. They provide us with quick energy to power through our day. For every gram of carbohydrates, you get about 4 calories. So, that means if you eat 50 grams of carbohydrates, you’re consuming around 200 calories.

Fats: More Than Just Flavor

Fats often get a bad rap, but they’re essential for our bodies. Not only do they add flavor to our meals, but they also help us absorb certain vitamins. Here’s the deal: one gram of fat contains about 9 calories. So, that tablespoon of olive oil you use in your salad? It’s about 120 calories.

Proteins: Building Blocks for Muscles

Proteins are the building blocks of our muscles, and they play a crucial role in repairing and maintaining our body tissues. Like carbohydrates, proteins also provide about 4 calories per gram. So, that grilled chicken breast with 25 grams of protein? It’s approximately 100 calories.

Alcohol: Sneaky Calories

Now, let’s talk about everyone’s favorite party guest – alcohol. Whether it’s a beer, wine, or a cocktail, alcohol contains its own set of calories. Alcohol has about 7 calories per gram. So, that glass of wine with 14 grams of alcohol? That’s roughly 98 calories.

Putting It All Together

But what about our favorite foods that often contain a mix of these nutrients? Let’s use pizza as an example. A slice of pizza has carbohydrates in the crust, fats in the cheese, and some protein in the pepperoni. Depending on the size and toppings, one slice can vary from 200 to 400 calories or more.

How to Make Informed Choices

Understanding the calories in different foods can help us make informed choices about our diets. If you’re trying to lose weight, you might want to keep an eye on your calorie intake. It’s all about balance!


Calories come from various sources, and it’s essential to be aware of what we’re consuming. Carbohydrates and proteins offer about 4 calories per gram, fats contain about 9 calories per gram, and alcohol sneaks in with about 7 calories per gram. So, whether you’re fueling up for a workout or enjoying a night out with friends, knowing the calorie content can help you make smarter choices.

Remember, a little knowledge goes a long way in leading a healthier and happier life. Stay curious, and keep exploring the world of nutrition!

That’s all for now, folks. Until next time, stay healthy and enjoy your meals!

In addition to being a Registered Nurse, Katie Peeples is an accomplished certified nutritionist and the Lifestyle Wellness Coach for Mind Body Centers.

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