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Recipe Calorie Calculator

Calculate calories per serving and per 100 g of a recipe. Enter total calories, number of servings, and total weight.

Sources: USDA FoodData Central · FDA — Nutrition Facts Label

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How the Recipe Calorie Calculator Works

This tool lets you quickly calculate the calories per serving and calories per 100 grams of any dish you prepare at home. It is useful for anyone following a meal plan or simply wanting to be mindful of their food intake.

The Formulas

The calculation is straightforward:

Calories per serving = Total calories / Number of servings

Calories per 100 g = (Total calories x 100) / Total weight of dish

The first formula is the most practical in the kitchen: it tells you exactly how much you are eating. The second is useful for comparing your dish with the nutritional values on food packaging, which are always expressed per 100 g.

How to Find Total Recipe Calories

To use this calculator, first add up the calories of all ingredients. You can find them on nutritional labels of packaged products, in the USDA FoodData Central database, or in apps like MyFitnessPal or Cronometer.

Servings and Daily Needs

According to general dietary guidelines, the average daily caloric need is about 2,000 kcal for women and 2,500 kcal for men (sedentary adults). This is typically distributed across 3 main meals and 1-2 snacks. Knowing the calories per serving helps you distribute your caloric intake evenly throughout the day.

Frequently Asked Questions

How do you calculate calories per serving?▼
Divide the total recipe calories by the number of servings. For example, if a cake has 2,400 kcal total and you cut it into 8 slices, each slice has 2,400 / 8 = 300 kcal.
Do calories change with cooking?▼
The total calorie content does not change with cooking, but the weight of the dish does (due to water evaporation). That is why calories per 100 g of the cooked dish differ from those of the raw ingredients. Our calculator works with total calories, which remain constant.
How many calories is a "normal" serving?▼
A main meal should provide roughly 500-700 kcal for an adult with a 2,000 kcal/day requirement. Under 200 kcal is a light snack; over 800 kcal is a very substantial meal.