Food Calorie Calculator

Calculate calories, protein, carbohydrates and fat from food quantities and portion sizes using a built-in nutrition database.

Add a food

Search the database, then choose a quantity and unit.

Search foods Food

Quantity

Unit / portion

Selected portion

0 kcal

Protein 0 g · Carbs 0 g · Fat 0 g

Meal totals

0 foods

Total calories

0 kcal

Protein

0 g

Carbs

0 g

Fat

0 g

Foods in your meal

Add multiple foods to calculate the combined nutrition.

Food & portion	Calories	Protein	Carbs	Fat	Remove
No foods added yet.

Nutrition note: Values are approximate reference estimates per 100 g or 100 ml. Portions use typical weights and may vary by food size, brand, recipe and preparation. For precise tracking, check product labels or a verified nutrition source.

Your Guide to Food Calories

Every Bite Has a Story. Let's Count the Calories.

Ever wondered how many calories are in your morning eggs, that bowl of rice, or your favorite homemade sandwich? Our free Food Calorie Calculator helps you discover the estimated calories, protein, carbohydrates, and fat in everyday foods — based on the amount you actually eat.

No complicated nutrition spreadsheets. No guesswork with serving sizes. Search for a food, choose its portion, and see the numbers. Add more ingredients to calculate the nutrition of an entire meal.

Instant calculations Nutrition estimates Multi-food meals

On the menu

A balanced plate

🍽️ Your plate

Protein

Carbs

Fat

Illustrative nutrition graphic, not an actual meal analysis.

Made for Everyday Eating

Everything You Need. Nothing You Don't.

From a single apple to a homemade meal, explore nutrition without turning lunch into a math exam.

Find Your Food

Search a built-in collection of hundreds of everyday foods, from fruits and vegetables to meat, dairy, grains, desserts, and prepared meals.

Portions That Make Sense

Calculate nutrition using grams, ounces, and available familiar serving sizes. Change the quantity to match what is on your plate.

More Than Calories

See estimated protein, carbohydrates, and fat alongside calories, so you can understand the bigger nutritional picture.

Build a Complete Meal

Add multiple foods and ingredients. The calculator combines them into one meal with total calories and macronutrients.

Copy Your Results

Copy your meal's nutrition summary for your personal notes, food journal, or meal-planning document.

Private by Design

Nutrition calculations run locally in your browser. The calculator does not need to upload your meal entries to a server.

The Simple Method

From Your Plate to the Numbers.

Using our online calorie calculator is as straightforward as preparing a shopping list. Four simple steps help turn ingredients and portions into useful nutrition information.

🥑

Small details matter

Use the closest matching food description, especially when distinguishing raw, cooked, or prepared ingredients.

Search for a food

Type a food name into the search field. Choose the closest matching item from the available results.

Enter your portion

Add the quantity you ate and choose a supported measurement unit or serving size. The selected portion's nutrition updates automatically.

Add it to your meal

Click Add to meal. Repeat for additional ingredients, side dishes, drinks, and anything else you want included.

Review your totals

See combined calories and macros. Remove foods, clear the entire meal, or copy the calculated summary.

Try the Calorie Calculator

Nutrition Basics

What Are Food Calories, Really?

Calories measure energy. Your body uses energy for everyday activities, from breathing and thinking to walking and exercising. On food labels, a Calorie (capital C) is a kilocalorie, usually abbreviated as kcal.

Food provides this energy through macronutrients. Protein, carbohydrates, and fat all contribute energy, but in different amounts.

Protein

kcal per gram

Important for building and repairing body tissues, including muscles. Found in eggs, meat, fish, legumes, and dairy.

Carbohydrates

kcal per gram

An important energy source. Foods such as rice, oats, fruit, potatoes, and bread contain carbohydrates.

Fat

kcal per gram

Supports cell function and absorption of fat-soluble vitamins. Found in oils, nuts, seeds, avocados, and many other foods.

The 4–4–9 Calorie Formula

A common way to estimate energy from macronutrients is:

Calories ≈ (Protein × 4) + (Carbs × 4) + (Fat × 9)

For example, a food containing 10 g protein, 20 g carbohydrates, and 5 g fat would provide approximately 165 kcal using this method.

This formula is a simplified estimate. Fiber, sugar alcohols, food labeling methods, and rounding can cause differences between macro-derived calories and reported values.

Food Examples

How Many Calories Are On Your Plate?

Here are approximate energy values for several familiar foods. These examples help show how food type, weight, and preparation can change the calories in a serving.

Apple

100 g, raw

kcal approx.

Banana

100 g, raw

kcal approx.

Whole Egg

100 g, cooked hard-boiled

155

kcal approx.

Broccoli

100 g, raw

kcal approx.

Example values are rounded reference estimates, not live calculator results. Exact values can differ with the food variety, preparation, moisture content, and database entry.

More Everyday Foods — Approximate Calories per 100 g
Food	Preparation	Calories
🍚 White rice	Cooked, plain	130 kcal
🍗 Chicken breast	Cooked, skinless	165 kcal
🥔 Potato	Boiled, without added fat	87 kcal
🥑 Avocado	Raw	160 kcal
🌰 Almonds	Raw	579 kcal
🍝 Pasta	Cooked, plain	158 kcal

Portion Size Matters

Same Food. Different Portion. Different Calories.

The calories in a food depend on how much of it you eat. A 50 g serving of a food is generally half the energy of a 100 g serving of that same food, assuming the same preparation and composition.

Our food portion calculator scales nutrition values to your selected quantity, helping you estimate calories by weight or by supported serving units.

Raw vs. cooked: Cooking often changes water content, so 100 g of cooked rice is not nutritionally equivalent to 100 g of uncooked rice. Choose the matching food entry whenever possible.

Portion Comparison

Cooked White Rice

50 g 65 kcal

100 g 130 kcal

200 g 260 kcal

Illustration based on approximately 130 kcal per 100 g of plain cooked white rice, without added oils or sauces.

How to Calculate Calories from Grams

If a food contains 130 kcal per 100 g and your portion weighs 150 g:

(150 ÷ 100) × 130 = 195 kcal

The same proportional calculation can be applied to protein, carbohydrates, and fat.

Everyday Uses

Whatever Your Food Goals, Knowledge Helps.

The calculator is a practical reference for anyone who wants to understand food portions and estimated nutrition.

Everyday Meal Planning

Compare breakfast, lunch, dinner, or snack combinations before deciding what to prepare.

Learning About Nutrition

Explore how different foods contribute protein, carbohydrates, fat, and energy to an overall eating pattern.

Homemade Recipe Estimates

Add the ingredients of a homemade dish to estimate the recipe's total nutrition, then divide by the number of portions you serve.

Personal Food Records

Copy calculated meal summaries into your own notes when a basic nutrition record would be useful.

Better Estimates

6 Smart Tips for More Useful Results.

A calorie calculator is only as precise as the food description and portion information entered. These habits can help improve your estimates.

Match the preparation

Choose raw, boiled, grilled, baked, or fried versions when the database offers them.

Measure when practical

A kitchen scale can give you a more consistent weight than visual guesses.

Include cooking fats

Butter, oil, sauces, and dressings can contribute meaningful additional calories.

Check the package label

For branded foods, the specific product label may provide a better match than a generic database estimate.

Count the whole recipe

Include all ingredients, then divide the recipe total by the number of equal servings.

Keep context in mind

Calories are one part of nutrition. Fiber, vitamins, minerals, and overall dietary variety matter too.

Frequently Asked Questions

Curious About Calories? We've Got Answers.

Clear answers to common questions about food calories, serving sizes, and using our free online nutrition calculator.

What is a Food Calorie Calculator?

A Food Calorie Calculator is a tool that estimates the energy in a selected food portion. This calculator also displays estimated protein, carbohydrates, and fat. You can combine multiple foods to calculate approximate nutrition totals for a meal.

How do I calculate the calories in my food?

Search for a food, select the best matching database entry, enter your quantity, and choose a unit or portion size. The calculator automatically scales the nutrition values to the quantity entered.

Is this calorie calculator free to use?

Yes. The Food Calorie Calculator is free to use in your browser. You do not need to create an account to calculate your food portions or meal totals.

Can I calculate calories for an entire meal?

Yes. Add each food individually using the Add to meal button. The meal summary combines their estimated calories, protein, carbohydrates, and fat. You can remove an item or clear the meal to start again.

Does the calculator show protein, carbs, and fat?

Yes. In addition to calories, the calculator displays estimated grams of protein, carbohydrates, and fat for your selected food portion and your combined meal.

How accurate are food calorie estimates?

The results are estimates based on reference nutrition values. Actual calories can vary with brand, ingredients, cooking technique, portion weight, and natural differences between foods. For packaged products, check the product's nutrition label when greater precision is needed.

Can I calculate calories using grams or ounces?

Yes. You can calculate using supported weight measurements, including grams and ounces. The tool also offers familiar portions for selected foods where those serving sizes are available.

Why do raw and cooked foods have different calories per 100 g?

Cooking can change the water content and weight of foods. Rice and pasta typically absorb water, while many meats lose moisture during cooking. Added ingredients such as oil or butter can change energy content as well. Compare foods using the same preparation state whenever possible.

How many calories are in 100 grams of food?

It depends on the food. For example, 100 g of raw apple contains approximately 52 kcal, while 100 g of raw almonds contains approximately 579 kcal. Food type and preparation make a large difference, which is why selecting the right database entry matters.

What is the difference between calories and kcal?

In food nutrition, the term Calorie typically refers to one kilocalorie (kcal). A kilocalorie equals 1,000 small calories used in scientific energy measurement. Food labels commonly use Calories and kcal to represent the same amount of energy.

Can I use this calculator for homemade recipes?

Yes. Add each recipe ingredient with its quantity, including relevant oils, sauces, and additions. The calculator displays a combined total. To estimate nutrition per serving, divide the completed recipe total by the number of portions. The tool does not automatically divide recipes into servings.

Are calories the only thing that matters in a healthy diet?

No. Calories describe energy, not overall nutritional quality. Protein, carbohydrate and fat composition, dietary fiber, vitamins, minerals, food variety, and individual needs all contribute to nutrition. Calorie information is best understood as one useful piece of a bigger picture.

Does the calculator store or upload my food information?

The calculator performs its meal calculations locally in your browser and does not require uploading your food entries to perform them. You can copy your meal summary if you want to keep your own record.

What should I do if I cannot find a food?

Try a shorter or more general search, such as "chicken" instead of a branded chicken dish. If an exact food is not available, use a suitable generic alternative only when its ingredients and preparation are comparable. Otherwise, check the food label or another verified nutrition reference.

Your Next Meal. A Little More Insight.

From a quick snack to a full homemade dinner, discover what your portion contains. Explore foods, calculate calories, and understand your nutrition — one meal at a time.

Calculate Your Food Calories

Free to use No signup required Instant nutrition estimates