# How Many Calories Are in a Big Mac?

URL: https://kibora.app/calories-in/big-mac/
Language: en
Page type: food calorie reference
Last Updated: 2026-08-18
Description: A Big Mac from McDonald’s Slovenia has 503 calories. See Big Mac calories per burger and 100 g, and calculate nutrition for your portion.
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## How Many Calories Are in a Big Mac?

One Big Mac from McDonald’s Slovenia contains 503 calories.

Per 100 g, the Slovenian Big Mac contains approximately 232 calories.

## Calories in a Big Mac by serving

McDonald’s Slovenia lists 503 calories per Big Mac and 232 calories per 100 g. Those published figures imply a prepared burger weight of about 217 g.

| Serving | Calories | Weight |
| --- | --- | --- |
| 1 Big Mac | 503 kcal | 217 g |
| Per 100 g | 232 kcal | 100 g |

## Calculate calories for your Big Mac

Enter the weight of the prepared Big Mac you actually eat. This page uses McDonald’s Slovenia nutrition values, so products sold in other countries may differ.

Calculated from McDonald’s Slovenia nutrition values per 100 g. Portion size, preparation, ingredients, and country can change the result.

## One Big Mac is easy. A whole day gets harder.

Kibora helps you log meals quickly by photo, voice, barcode, text, or favorites, then puts calories and nutrition into the context of your whole day.

## How many calories should you eat per day?

Knowing that a Big Mac has 503 calories is useful. Knowing how that fits into your own day is more useful.

## Nutrition data and methodology

Nutrition values are based on the official McDonald’s Slovenia Big Mac page, which lists 503 kcal per serving and 232 kcal per 100 g. The approximate 217 g burger weight is calculated from those two published calorie values.

McDonald’s states that its nutrition data are based on average values from European suppliers and that portions, preparation, ingredients, regional differences, seasonal differences, and product changes can affect the values.

### Sources

[McDonald’s Slovenia: Big Mac nutrition](https://www.mcdonalds.si/ponudba/glavne-jedi/big-mac)

## Common questions about Big Mac calories

### How many calories are in one Big Mac?

McDonald’s Slovenia lists one Big Mac at 503 calories.

### How many calories are in 100 g of Big Mac?

McDonald’s Slovenia lists the Big Mac at approximately 232 calories per 100 g.

### How much does a Big Mac weigh?

McDonald’s Slovenia publishes 503 calories per serving and 232 calories per 100 g. Those figures imply a prepared burger weight of about 217 g, although individual burgers can vary.

### Do Big Mac calories differ by country?

Yes. Portion sizes, ingredients, suppliers, and preparation can vary by market. This page uses the current McDonald’s Slovenia nutrition data, so check your local McDonald’s information when you need a country-specific value.

### Does 503 calories include fries and a drink?

No. The 503-calorie figure is for the Big Mac burger itself. Fries, drinks, sauces, and other sides need to be counted separately.