According to the law in Russia, eggs are supposed to be sold not by weight, but by piece. Right at the poultry farm, after laying, the eggs are sorted, dividing them into several weight categories, then labeled and packaged. Therefore, you can find out the approximate weight of the egg by marking, which is either applied to the surface of the shell or written on the packaging and price tag. The full list of possible categories is shown in the table below.
| Marking | Weight, g | Category | Weight tolerance, g | |
|---|---|---|---|---|
| from | before | |||
| 40 | Third | 35 | 45 | |
| 50 | Second | 45 | 55 | |
| 60 | First | 55 | 65 | |
| 70 | Selective | 65 | 75 | |
| 80 | Higher | 75 | - | |
What do numbers and letters mean?
Numbers 1 , 2 , 3 and letters ABOUT(selected), IN(highest) indicate the weight category of the eggs.
Letter WITH(table) means an egg with a long shelf life suitable for human consumption.
Letter D(dietary) means a fresh, high-quality egg, which after 7 days of storage (from the moment of laying) will lose its advantages and become a regular table egg.
What kind of eggs should I buy for recipes?
In domestic culinary recipes, it is customary to use the smallest chicken eggs of the third category, weighing 40 grams.
Why are eggs sold by the piece and not by weight?
In Russia this is prescribed by law. And there are plenty of them.
I weighed the eggs I bought and it turned out that they weigh less. Are we being deceived?
Without a doubt, poultry factories can deceive consumers by labeling dishonestly. But this can only be proven by a special inspection from Rospotrebnadzor. However, usually the weight does not match because eggs lose weight very quickly during storage due to the evaporation of moisture through the shell.
Do not use cracked eggs for food. When purchasing, don't hesitate to look for packages without cracked eggs.
If you don’t trust the store or poultry farm, then check the weight of the eggs right in the store on a check scale.
Wash them with soap before cooking.
Weight of yolk, white and shell
Most of the egg is white. During long-term storage, some of the water from the protein evaporates, resulting in a decrease in the overall weight of the egg. Often, lost weight can be replenished by adding clean water to the egg white, but this is only the case when the recipe calls for the white or the entire egg to be beaten.
| Code | Category | General Weight, g | Weight of components, g | ||
|---|---|---|---|---|---|
| yolk | protein | shell | |||
| Third | 40 | 12 | 23 | 5 | |
| Second | 50 | 16 | 29 | 6 | |
| First | 60 | 19 | 34 | 7 | |
| Selective | 70 | 22 | 40 | 8 | |
| Higher | 80 | 25 | 46 | 10 | |
Weight of imported eggs according to labeling
| Marking | Category | Weight, g | Russian equivalent | |||
|---|---|---|---|---|---|---|
| from | before | Category | Marking | |||
| Small | less than 53 | Second Third | ||||
| Medium | 53 | 63 | First | |||
| Large | 63 | 73 | Selective | |||
| Very Large | more than 73 | Higher | ||||
Why are eggs sold not by weight, but by piece?
1. It is convenient to sell several pieces in ready-made packages, but it is inconvenient to sell them by weight.
2. The weight of eggs during storage is significantly reduced due to the evaporation of moisture through the shell. In practice, selling by weight will result in a retail chain buying, for example, 1000 kg of eggs from a poultry farm, but selling only 950 kg. The weight loss of eggs due to evaporation will have to be included in the trade margin, which will lead to an increase in price.
3. Eggs are a fragile product; the more operations are performed on them, the more eggs will break and crack. When weighed during sale, the amount of broken goods will increase, which will also negatively affect both price and quality.
4. Eggs cannot be sold together with other products due to the likelihood of contamination of neighboring products with Salmanella, therefore, to weigh eggs, the store will have to open a special department for the sale of eggs and an additional workplace for the seller. In such conditions, the price of eggs will skyrocket to obscene levels, and small stores will not be able to afford to sell this product at all.
Eggs are eaten not only as an independent product, but also as a component of many dishes in our cuisine and in the cuisines of different countries of the world. But not many people know about this, and this is important in order to correctly choose the amount of food for a particular dietary dish and calculate calories when eating on a diet.
In the Russian Federation, the weight of eggs is divided according to established legislation. After all, this issue is important not only in the personal households of citizens, but also when selling this product in stores. Depending on the established category of the chicken egg, the weight will depend.
As for the averages, if you don’t buy the product in the store, but simply collect what the chicken laid, it will weigh about 40-65 grams. Most often we are talking about 60 grams. So, this particular weight can be considered average for a standard chicken egg.
Interesting! It turns out that in one kilogram of eggs, depending on what category of product you weigh, there can be from 15 to 25 medium-sized eggs. A dozen chicken eggs, respectively, are about 400-650 grams.
The weight chart shown is for eggs in the shell. But it can also highlight the weight of an egg without a shell, as well as the weight of the white or yolk separately. Let's take a closer look at this data.
Selected chicken egg: 65-74.9 weight in shell, 59-68 grams weight without shell, 36-41 grams white weight and 23-26 grams white weight.
Marking features
It turns out that if you buy a product in a store, you can determine the weight of the egg simply by looking at the labeling. It must be applied to poultry farms after sorting. Most often in cooking, eggs of the third category are used, which weigh on average 40 grams.
Each egg must be marked; this is clearly stated in the legislation. By the way, the price also depends on the category. The third category of eggs is, of course, the cheapest. After all, such a product will be the smallest in weight.
Large eggs can only be obtained from elite hens. They differ not only in their size, but also in their conditions of detention and even in the variety of food they eat. But this fact does not mean that large eggs are always tastier than small products. The same can be said about benefits.
Here, rather, the difference is only in the profitability of sales. So, what size eggs to buy depends only on the desire of the housewife and financial capabilities: they will all be tasty and healthy.
Interesting! The world's largest egg was recorded in Cuba. It weighed 148 grams. The smallest egg was laid by a chicken in Papua New Guinea, its weight was only 9.7 grams.
Now you can easily navigate what chicken eggs are by weight, depending on the labeling, the presence or absence of a shell. This knowledge is extremely useful when following proper dietary nutrition and preparing a variety of dishes.
In grocery stores, people rarely look closely at their appearance. Typically this product is selected by size. Has anyone ever wondered what the weight of chicken eggs is and how it affects the other indicators of this product?
Labeling rules
An egg purchased in a store, as a rule, has a special stamp that contains complete information about the purchased product. You just need to be able to read it correctly. Marking is usually done in two ways:
1) The stamp is applied separately to the shell of each egg.
2) If the product is sold in a special closed container, then the information is indicated on the packaging. Usually this is a label that is glued in such a way that when opening the box you have to tear it off. This serves as a guarantee that the container has not been reused.
Most often, poultry farms try to label all their products without taking into account the type of subsequent packaging. In this way, the company tries to avoid possible misunderstandings and substitutions. Understanding the meaning of each symbol of the applied marking, any buyer can not only give a general description of the product, but also determine the weight of chicken eggs standing on the counter.
Buyer Information
The simplest marking stamp contains two symbols. The first is the type of egg, and it is indicated by a letter of the Russian alphabet, and the second is its size, and it is indicated conventionally in numbers or letters. Now you need to understand how to determine weight using all this symbolism. There are many chicken eggs, and they are all different. You need to figure it out in order. The letter symbol in the stamp indicates the type of product. This is not just a conventional name. In accordance with it, the shelf life and scope of application of poultry farm products are established. Therefore, eggs are divided into the following types:
- Dietary (“D”). They are usually stored for no more than 7 days. Moreover, the countdown does not start from the date of manufacture, but from the date of sorting. This must be taken into account when purchasing in a store.
- Canteens (“C”). Their shelf life reaches 25 days.
From this we can conclude that a dietary egg differs from a table egg not in any special qualities. There's just a good chance it's fresher. This is an important indicator. It is even more important than the weight of chicken eggs or any other. This may be why dietary eggs are used for baby food. They can be safely soft-boiled or used in confectionery production, for example, for making creams.
Egg weight categories
In addition to types, eggs are also divided into categories. There are only five of them:
- first (1);
- second (2);
- third (3);
- selected (O);
- highest (B).
This indicator allows you to judge the size of the product. Therefore, knowing it, you can approximately determine the weight of 1 chicken egg. On average it is about 50 grams. Data on the type, category and weight of chicken eggs can be summarized in a table.
Table of the dependence of the weight of chicken eggs on their type and category
| No. | Type of egg | Category | Average weight, g | Permissible weight deviations, g | Marking on the stamp | |
| from | before | |||||
| 1 | (dietary) | IN | 80 | 75 | - | Far East |
| 2 | ABOUT | 70 | 65 | 75 | BEFORE | |
| 3 | 1 | 60 | 55 | 65 | D1 | |
| 4 | 2 | 50 | 45 | 55 | D 2 | |
| 5 | 3 | 40 | 35 | 45 | D3 | |
| 6 | (dining room) | IN | 80 | 75 | - | NE |
| 7 | ABOUT | 70 | 65 | 75 | CO | |
| 8 | 1 | 60 | 55 | 65 | C1 | |
| 9 | 2 | 50 | 45 | 55 | C2 | |
| 10 | 3 | 40 | 35 | 45 | C3 | |
Those who like to cook should know that when writing recipes, experts usually conventionally use eggs of the third category with an estimated weight of 40 grams. When making a purchase in a store, you can check the correctness of the labeling using a check scale.
Components of an egg
Any egg consists of three parts. The percentage share of each of them in the product is as follows:
- protein - 58.5%;
- yolk - 30%;
- shell - 11.5%.
These indicators are approximately the same for eggs of all types and categories. Based on the above values, you can easily calculate the weight of a chicken egg without a shell. For example, if a C1 egg weighs 60 grams, then its shell, respectively, is 7 grams, the yolk is 20 grams, and the white is 33 grams. Usually such an indicator is not necessary, but sometimes it is indicated in some tables of measures. In addition, some confectionery companies use melange to produce their products. It is a mixture of yolks and whites without eggshells. In this case, knowing the weight of a particular batch of eggs, you can calculate how much melange can be produced from it. It is worth noting that the weight of the shell does not depend at all on its color. Eggs can be white, beige, brown and even olive. Based on this characteristic, it is rather possible to determine the breed of chicken that laid a particular egg.
Boiled product
Chicken eggs are usually eaten raw, boiled and fried. Boiled products often find use in the daily diet of any person. Boiled eggs are eaten plain or used to prepare a variety of dishes: appetizers, salads and even soups. When compiling recipes, experts usually use the number of eggs in pieces, but sometimes it is necessary to have an idea of the ratio of the components of a complex dish in grams. This is where the need to know the weight of the egg arises. In this case, you need to immediately refer to the above table. You just need to calculate the weight of the white and yolk without the outer shell. This will be the desired value. After all, eggs are boiled in their shells, as if in a confined space, so any material losses in this case are practically excluded.
Average value
Two different eggs of the same category and type may have different weights. This is provided for by the current standard. But if we are talking about large batches, then permissible deviations in grams are usually not taken into account. Only the average value is taken into account, that is, the average weight of a chicken egg. For example, a dietary egg of the second category should weigh from 45 to 55 grams. Therefore, the average weight of such eggs in a batch is considered to be 50 grams. In practice, this is what happens. Both larger and smaller eggs are found. If you set a goal and weigh, for example, one hundred eggs of the same marking, and then divide the resulting value by the total quantity, the result will be the weight of 1 egg equal to the average value approved by GOST. Some manufacturers, to expand their range, give ordinary eggs additional properties: they enrich them with selenium or iodine, and achieve a bright yolk color. In any case, the average weight value is determined based on the category and type of product produced.
The most important source of protein in our body is bird eggs. Information about how many grams of protein are in one egg has different meanings for different species of birds. The most commonly consumed are chicken and quail eggs.
In addition, nutritionists, healthy nutrition experts and athletes take into account the amount of pure protein in an egg, while cooks or those losing weight are interested in how many grams of protein are in one egg - as one of the components of a highly nutritious product.
Such different feathered eggs
The amount of protein in bird eggs depends on the total weight of the different eggs. So, for example, an average chicken egg weighs 50-55 g, a quail egg - 10-12 g, a goose egg - 200 g, a guinea fowl egg - 25 g, a pheasant egg - 60 g, a turkey egg - 75 g, and a duck egg - 90 g. Ostrich eggs (900 g) hold the top spot in terms of weight, with the Australian emu bird taking second place (780 g). If the white of an egg makes up 55-60% of its total mass, then it is easy to calculate how many grams are in the white of one egg of waterfowl or exotic birds. In official cooking they are not recommended for consumption, as they are considered a possible source of infectious diseases even after heat treatment.
How many grams of protein are in the white of one egg?
Chicken or quail protein consists of 87% water and only 11% of the main nutrient - protein. The remaining 2% is formed by various minerals and ash. To calculate how many grams are in the white of one egg, you need to know the category of chicken eggs, which takes into account many parameters, including the weight of the product. This table will help you navigate and find out the desired result without using calculations:
Formula for calculating the mass of protein in an egg
Knowing the category of chicken eggs, you can easily calculate how much 1 egg white weighs. How many grams, for example, are in the first category egg white? Its weight can be seen in the table; it is approximately 55-65 grams. Protein in the total mass of an egg occupies 56% in a chicken egg and 60% in a quail egg. For convenience, it is believed that the yolk occupies 1/3 of the mass of the egg, and the white - 2/3. Calculation formula: find out the weight of the egg in accordance with its category and multiply by 2/3. Therefore, when calculating (or from the table given in the article), we get 36.7-43.3 grams of protein as a product.
For example, a quail egg contains, on average, 6 g of protein.
For athletes and people who adhere to healthy lifestyle rules
The main role in the exceptional nutritional value and benefits of eggs is played by their biological value - this is what nutritionists call the degree of absorption of the product. Eggs are an easily digestible food, it is 98% digestible by our body, so its nutritional value is the standard. To build muscle mass, athletes need to consume 2-3 g of high-quality protein per 1 kg of their body weight. Having found out how many grams of protein are in one egg, you can calculate the required amount of product in the diet for effective muscle building. Boiling or frying eggs without adding oil does not affect the volume of protein and it remains unchanged.
But a fried egg in butter contains 14 g of protein, an omelette - 17 g of protein, and with the addition of grated cheese - 15 g. Protein is a low-calorie product (44 kcal per 100 g). Eating a two-white omelet for breakfast every day helps you lose weight by 67% more than eating other foods with the same calorie content. Many people who are losing weight have a question about why 100 grams of eggs contain 12.7 g of protein (protein), and the same amount of egg white contains only 11.1 g. It turns out that the yolk is almost 1.5 times richer in protein than protein: 16.3% vs. 1.1%.
How to properly consume egg whites?
Nutritionists recommend that eggs or whites be subjected to heat treatment. Doctors do not recommend eating raw eggs, as they are only 50% digestible by the body and can also become a source of salmonellosis. Do you know how many grams of protein are in one egg? By boiling two soft-boiled eggs for breakfast, you can get your personal daily protein intake.
Liquid yolk, if you are not allergic to its components, will be an excellent choleretic agent, reduce the risk of heart attack and become an obstacle to the development of cataracts. Egg white will provide useful enzymes, protein, B vitamins and glucose, vitamin K, niacin, choline and essential amino acids that help in the synthesis and regeneration of cells and tissues in our body. There are no contraindications for egg whites, except for individual intolerance.
A chicken egg is a common food on our table. Store shelves are full of a huge selection of this product. And it differs not only in manufacturer and price, but also in weight category, which mainly determines the price. It is useful to know what this category is and what it depends on.
The meaning of egg markings
According to our current standards, any egg produced by a poultry farm has its own marking. The marking mark consists of two elements: letters and numbers. The letter is responsible for the type of product, and the number or letter for the size (weight). There are two types of letter designations:
- “D” - dietary, a week is allotted for its implementation;
- “C” - table food, must be sold in 25 days.
Important! For importedslightly different markings: S - Small (up to 53 g), M - Medium (53–63 g), L - Large (63– 73 g), XL - Very Large (more than 73 g).
By weight they are divided into the following categories:
- 3 - third category, the smallest;
- 2 - second;
- 1 - first;
- O - selected;
- B - highest.
Average weight of a chicken egg
Each described variety corresponds to a certain amount of goods in grams.
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Raw egg without shell
When athletes calculate their daily diet, it also matters to them how much an egg weighs without a shell. To determine the weight of the contents of the product, you need to know what percentage of its total mass is the shell. Its share accounts for approximately 12%. Based on the above data, you can get the following:
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Yolk and white mass
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Boiled
It is important for dieters and housewives to know whether the mass of a raw product differs from a boiled one. To understand this issue, you need to delve a little deeper into the anatomy of the egg. Its shell is permeable to air, but it releases it much more slowly than it lets it in. Therefore, no losses occur during cooking. When we remove the shell, the weight of the cooked contents will be equal to the weight of the raw contents of the shell.
Important! It is necessary to take into account the fact that if a product is stored for a long time, its contents still gradually evaporate, and when you cook it, it may turn out that its weight will not correspond to that declared by the manufacturer.
Egg weight depending on breed
Regardless of which breed a chicken belongs to, they all have the ability to lay eggs. True, the size of the demolished product will vary. Most often, meat and egg chickens lay larger ones, and small ones lay eggs. To obtain a product of the highest category, selected layers are bred and fed according to a special scheme. 
The average weight values for the most common breeds look like this:
| Breed | Egg weight |
| Rhode Island | 56– 58 g |
| New Hampshire | 58– 59 g |
| Plymouth Rock | 56– 60 g |
| Moscow | 56– 58 g |
| 60– 62 g | |
| 60– 61 g | |
| 56– 58 g | |
| Pervomayskaya | 58– 63 g |
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