Граммы в Калории
Перевод граммов в калории для белков, углеводов, жиров, алкоголя и пищевых этикеток.
*Коэффициенты пересчета энергии согласно FDA 21 CFR 101.9.
Граммы макронутриентов в калории
Расчет общей энергии и процентного соотношения питательных веществ.
Что такое перевод граммов в калории?
Граммы измеряют физическую массу (вес), а калории — накопленную химическую энергию.
100 г белка ≠ 100 г куриной грудки
Первое — чистый нутриент (~400 ккал). Второе — цельный продукт, содержащий ~65% воды (~165 ккал).
Визуализатор массового и энергетического состава
Выберите образец продукта и отрегулируйте ползунок веса, чтобы увидеть соотношение массы воды и фактических калорий.
A. Грамм питательных веществ в Калории
Имея дело с изолированными макронутриентами (белками, углеводами, жирами, алкоголем), ученые применяют стандартные общие коэффициенты Этуотера (4, 4, 9 и 7 ккал/г). Это арифметика, используемая для определения того, сколько энергии получается от потребления чистых макронутриентов.
B. Вес пищи в калориях
При взвешивании продуктов на кухонных весах (например, 185 г риса, 150 г сладкого картофеля) калории зависят от энергетической плотности пищи. Вода увеличивает массу тела при 0 калориях, что резко меняет соотношение калорий на грамм.
Как пользоваться калькулятором граммов в калории
Выберите режим расчета под ваши диетические или кулинарные задачи:
1. Прямой расчет по макронутриентам
Input your daily or meal macronutrient вес in граммов for белки, углеводы, жиры, and алкоголь. The engine computes individual and total калории, displays percentage contributions, and provides optional продвинутый subtractions for insoluble клетчатка and сахароспирты (полиолы).
Поиск продуктов Mode
Search over 50+ laboratory-analyzed reference foods (USDA FoodData Central). Enter your кухонные весы measurement in граммов, ounces, pounds, or kilograms to calculate exact калории, macronutrients, калория density, and rapid 25g–500g conversions.
Reverse Mode (Калории to Grams)
Targeting a specific caloric budget or macro allotment? Enter target калории (e.g. 500 kcal) and select your target macronutrient or benchmark food to determine the exact вес in граммов needed to satisfy your goal.
Масштабирование этикетки
Easily resolve the classic dilemma: "The nutrition facts panel lists калории for a 30g serving, but I weighed out 75g." Enter printed калории per serving, nominal размер порции, and actual вес to scale your exact intake instantly.
Проверка этикетки (Macro Audit)
Verify commercial packaging math. Enter the printed калории and macronutrients; the audit engine calculates 4-4-9 theoretical энергия, computes percentage discrepancy, and explains variance based on FDA 21 CFR 101.9 rounding rules.
Switch between Стандартный 4-4-9 general factors and Продвинутый Mode inside the calculator to fine-tune soluble/insoluble клетчатка and polyols.
Формула перевода граммов в калории
Стандартизирована Уилбуром Этуотером и правилами FDA 21 CFR 101.9:
How Many Калории Are in 1 Грамм of Белки?
Proteins yield 4.0 kcal per gram of metabolizable энергия. While сырой белки contains ~5.65 kcal/g in laboratory bomb calorimetry combustion, human physiology cannot oxidize nitrogen, excreting it as urea and yielding 4 kcal/g.
How Many Калории Are in 1 Грамм of Carbohydrate?
Digestible sugars and starches provide 4.0 kcal per gram. Insoluble plant cellulose passes through unabsorbed (0 kcal/g), while fermentable soluble fibers yield ~2 kcal/g via gut microbial fermentation into short-chain Жирыty acids.
How Many Калории Are in 1 Грамм of Жиры?
Dietary lipids (triglycerides) are dense hydrocarbon chains containing minimal oxygen, releasing 9.0 kcal per gram during cellular oxidation—over 2.25 times the энергия density of углеводы or proteins.
How Many Калории Are in 1 Грамм of Алкоголь?
Pure ethanol provides 7.0 kcal per gram. Алкоголь is processed almost exclusively by hepatic алкоголь dehydrogenase enzymes and contains zero essential micro- or macro-nutrients.
Live Mixed Macronutrient Формула Builder
Adjust the macronutrient sliders or click a preset to see the mathematical формула calculate in real time.
Что такое правило 4-4-9?
Правило 4-4-9 (белок: 4, углеводы: 4, жиры: 9 ккал/г) — мировой стандарт оценки энергии пищи.
4 Калории per Грамм of Белки
When burned in a bomb calorimeter, 1g of белки releases ~5.65 kcal. However, human cellular respiration cannot oxidize nitrogenous amino groups into энергия. The liver converts nitrogen into urea for urinary excretion, carrying away ~1.25 kcal/g. With a 92% digestive absorption coefficient, net metabolizable yield is exactly 4.0 kcal/g.
4 Калории per Грамм of Углеводы
Стандартный monosaccharides and starches oxidize completely into carbon dioxide and water with ~98% digestive efficiency, producing 4.0 kcal/g of net available cellular энергия (adenosine triphosphate or ATP).
9 Калории per Грамм of Жиры
Dietary triglycerides possess long hydrocarbon chains with very few bonded oxygen atoms. Because lipids are highly chemically reduced, cellular oxidation yields 9.0 kcal/g (with 95% digestive absorption), making fats the body\'s primary high-density энергия storage medium.
Why Алкоголь Is Often Shown as 7 Калории per Грамм
Pure ethanol (C2H5OH) contains 7.0 kcal/g. Although not essential for human survival, алкоголь is rapidly absorbed in the stomach and small intestine and metabolized ahead of жиры and glucose, suppressing lipid oxidation.
Atwater Энергия Loss & Digestion Funnel
Click any nutrient to trace its энергия loss from laboratory bomb combustion down to cellular ATP.
Why These Are General Factors (Atwater Specific Factors)
The 4-4-9 numbers are general average factors designed for mixed omnivorous diets. Atwater also formulated specific energy factors for individual food categories based on fiber and protein digestibility:
Under FDA 21 CFR 101.9, food manufacturers are legally permitted to use either general 4-4-9 factors or Atwater specific factors, explaining minor variances on nutrition labels.
Калорийность 100 граммов популярных продуктов
Лабораторно проверенные данные на 100г стандартной порции (USDA FoodData Central).
| Продукт | Обработка | Калории (100g) | Белки | Углеводы | Жиры | Плотность |
|---|---|---|---|---|---|---|
| Chicken Breast | Cooked, skinless, roasted | 165 kcal | 31.0g | 0.0g | 3.6g | Medium |
| Chicken Breast | Raw, boneless/skinless | 120 kcal | 22.5g | 0.0g | 2.6g | Low |
| Atlantic Salmon | Cooked, baked/broiled | 206 kcal | 22.1g | 0.0g | 12.3g | Medium |
| Ground Beef (90% Lean) | Cooked, broiled | 217 kcal | 26.1g | 0.0g | 11.8g | Medium |
| Ground Beef (85% Lean) | Cooked, pan-browned | 250 kcal | 25.0g | 0.0g | 16.0g | Medium |
| Tuna (Skipjack) | Canned in water, drained | 116 kcal | 25.5g | 0.0g | 0.8g | Low |
| Whole Egg | Hard-boiled / cooked | 155 kcal | 12.6g | 1.1g | 10.6g | Medium |
| Egg Whites | Cooked or raw | 52 kcal | 10.9g | 0.7g | 0.2g | Very Low |
| Tofu (Firm) | Prepared with calcium sulfate | 76 kcal | 8.1g | 1.9g | 4.8g | Low |
| Whey Protein Powder | Isolate dry powder | 370 kcal | 82.0g | 4.0g | 2.0g | High |
| White Rice (Long Grain) | Cooked, steamed | 130 kcal | 2.7g | 28.2g | 0.3g | Medium |
| White Rice (Long Grain) | Raw, dry grain | 365 kcal | 7.1g | 80.0g | 0.7g | High |
| Brown Rice | Cooked, steamed | 123 kcal | 2.7g | 25.6g | 1.0g | Medium |
| Rolled Oats | Raw dry rolled oats | 389 kcal | 16.9g | 66.3g | 6.9g | High |
| Spaghetti / Pasta | Cooked, al dente | 158 kcal | 5.8g | 30.9g | 0.9g | Medium |
| Spaghetti / Pasta | Dry, unenriched | 371 kcal | 13.0g | 74.7g | 1.5g | High |
| Russet Potato | Baked with skin | 93 kcal | 2.5g | 21.2g | 0.1g | Low |
| Russet Potato | Raw, flesh & skin | 77 kcal | 2.0g | 17.5g | 0.1g | Low |
| Sweet Potato | Baked in skin | 90 kcal | 2.0g | 20.7g | 0.1g | Low |
| Whole Wheat Bread | Commercially prepared | 247 kcal | 13.0g | 41.0g | 3.4g | Medium |
| Black Beans | Cooked, boiled without salt | 132 kcal | 8.9g | 23.7g | 0.5g | Medium |
| Banana | Raw, ripe peeled | 89 kcal | 1.1g | 22.8g | 0.3g | Low |
| Apple (Gala/Fuji) | Raw, with skin | 52 kcal | 0.3g | 13.8g | 0.2g | Low |
| Blueberries | Raw, fresh | 57 kcal | 0.7g | 14.5g | 0.3g | Low |
| Strawberries | Raw, fresh | 32 kcal | 0.7g | 7.7g | 0.3g | Very Low |
| Watermelon | Raw, diced flesh | 30 kcal | 0.6g | 7.6g | 0.2g | Very Low |
| Avocado (Haas) | Raw, flesh only | 160 kcal | 2.0g | 8.5g | 14.7g | Medium |
| Broccoli | Raw, florets & stems | 34 kcal | 2.8g | 6.6g | 0.4g | Very Low |
| Broccoli | Cooked, boiled/steamed | 35 kcal | 2.4g | 7.2g | 0.4g | Very Low |
| Zucchini | Raw, with skin | 17 kcal | 1.2g | 3.1g | 0.3g | Very Low |
| Spinach | Raw baby spinach leaves | 23 kcal | 2.9g | 3.6g | 0.4g | Very Low |
| Cucumber | Raw, with peel | 15 kcal | 0.7g | 3.6g | 0.1g | Very Low |
| Red Tomato | Raw, ripe year-round | 18 kcal | 0.9g | 3.9g | 0.2g | Very Low |
| Carrots | Raw, mature | 41 kcal | 0.9g | 9.6g | 0.2g | Very Low |
| Greek Yogurt (0% Fat) | Plain, nonfat strained | 59 kcal | 10.2g | 3.6g | 0.4g | Very Low |
| Greek Yogurt (Whole Milk) | Plain, 4% milkfat | 97 kcal | 9.0g | 3.9g | 5.0g | Low |
| Cheddar Cheese | Natural block cheese | 403 kcal | 24.9g | 1.3g | 33.1g | Very High |
| Extra Virgin Olive Oil | Pure cold-pressed oil | 884 kcal | 0.0g | 0.0g | 100.0g | Extreme |
| Butter | Unsalted dairy butter | 717 kcal | 0.9g | 0.1g | 81.1g | Extreme |
| Peanut Butter | Smooth, with salt | 588 kcal | 25.1g | 20.0g | 50.4g | Very High |
| Almonds | Raw, unblanched | 579 kcal | 21.2g | 21.6g | 49.9g | Very High |
| Walnuts | Raw, English walnut halves | 654 kcal | 15.2g | 13.7g | 65.2g | Extreme |
| White Granulated Sugar | Pure sucrose | 387 kcal | 0.0g | 100.0g | 0.0g | High |
| Pure Honey | Commercial liquid | 304 kcal | 0.3g | 82.4g | 0.0g | High |
*Data sourced directly from USDA FoodData Central (Foundation Foods & SR Legacy analytical series).
Search exact portions in Food Mode →Таблица перевода граммов в калории
Быстрый перевод граммов в калории для белков, углеводов, жиров и алкоголя.
Multi-Macro Энергия Yield at Exact Вес
Drag the slider or click a common порция вес to compare калории across all 4 macronutrients simultaneously.
Белки (4 kcal/g)
Стандартный metabolizable yield: 4.0 kcal per gram.
Углеводы (4 kcal/g)
Усвояемые углеводы и крахмалы: 4.0 ккал на грамм.
Жиры (9 kcal/g)
Чистые пищевые жиры: 9.0 ккал на грамм.
Алкоголь (Этанол) (7 kcal/g)
Pure ethanol энергия yield: 7.0 kcal per gram.
Сколько граммов в X калориях?
Рассчитайте точный вес продукта для достижения вашей нормы калорий.
Reverse Калория-to-Грамм Вес Visualizer
Input any калория budget to immediately see how many граммов that represents across nutrients and real foods.
100 kcal in граммы
100 kcal200 kcal in граммы
200 kcal300 kcal in граммы
300 kcal500 kcal in граммы
500 kcal1,000 kcal in граммы
1,000 kcal3,000 kcal in граммы
3,000 kcalРасширенный расчет граммов в калории
Влияние растворимой клетчатки и сахароспиртов на расчеты 4-4-9.
Soluble vs. Insoluble Пищевые волокна
Not all carbohydrate граммов are metabolized equally:
- Insoluble Клетчатка (0.0 kcal/g): Клетчатка проходит через ЖКТ без расщепления, обеспечивая объем без калорий.
- Soluble Клетчатка (~1.5–2.0 kcal/g): Pectins, beta-glucans, and gums undergo colonic anaerobic fermentation by gut microbiota into short-chain Жирыty acids (acetate, propionate, butyrate) that are absorbed and oxidized.
Сахароспирты (полиолы) (Polyols) Энергия Factors
Polyols are hydrogenated углеводы with altered intestinal absorption and low glycemic index:
Net Углеводы & Polyol Энергия Impact Simulator
Test how клетчатка fermentation and different sugar алкоголь types alter actual metabolizable калории.
Total Углеводы − Клетчатка − (0.5 × Polyols)
Starches (72) + Fermented Клетчатка (12) + Polyol (2)
Total Углеводы × 4
Почему данные на этикетках не совпадают с макросами?
Законные правила округления и биохимические нюансы этикеток.
Симулятор округления данных на этикетках
Введите данные с упаковки для проверки соответствия стандартам округления.
Mandatory Калория Rounding Thresholds
Federal regulations mandate that manufacturers round printed калория counts:
Допустимые погрешности округления
Белки, carbohydrate, and жиры gram figures are also rounded to standardized increments:
How to Handle Погрешностьs in Your Tracking App
A cumulative discrepancy of 5% to 10% between printed калории and 4-4-9 arithmetic is entirely typical across commercial foods. If precision is critical for your dietary goal, track сырой macronutrient граммов rather than rounded nominal totals.
Сырые и приготовленные продукты: вес и калории
Впитывание или испарение воды меняет калорийную плотность на 100 граммов.
Вода Shift & Cooking Scale Visualizer
Based on 100g of dry raw rice at 3.65 kcal/g.
Absorbs ~200g of water (hydration factor 3.0x).
If you cooked 100g dry rice into 300g and logged 300g using the raw entry, you would overcount by 730 kcal!
Сырой Rice vs. Приготовленный Rice
Absorbs 3x Вода100g of dry rice absorbs ~200g of water during boiling, yielding ~300g of приготовленный rice. The калории per gram drop by nearly 65%.
Сырой Pasta vs. Приготовленный Pasta
Absorbs 2.5x ВодаDurum wheat semolina absorbs Вода during boiling, expanding and diluting caloric concentration per 100g on your scale.
Сырой Chicken vs. Приготовленный Chicken
Loses ~25% ВодаPan-searing or roasting evaporates water from muscle tissue, concentrating белки and калории per 100g порция.
Dry Beans vs. Приготовленный Beans
Увеличивается в 2.8 разаLegumes absorb large amounts of water during soaking and simmering, lowering калория density by more than 60%.
Сырой vs. Приготовленный Potatoes
Изменение влажностиOven-baking causes slight moisture loss, increasing калории from 77 to 93 kcal per 100g, while boiling maintains ~87 kcal.
Always log your food according to the exact state in which it was weighed on your кухонные весы. Never log приготовленный rice using a сырой rice entry.
Граммы в калории для жировой ткани и похудения
Расчет потери жировой ткани при заданном дефиците калорий.
Adipose Matrix & Жиры Loss Timeline Калькулятор
A 500 kcal daily дефицит is widely recognized as the gold-стандартный rate: it mobilizes adipose tissue while protecting lean muscle mass and minimizing metabolic downregulation.
Dietary Жиры (9 kcal/g) vs. Human Adipose Tissue (~7.7 kcal/g)
Dietary жиры in food (e.g. olive oil) is 100% pure lipid triglyceride, yielding 9.0 kcal/g. In contrast, stored human body жиры (adipose tissue) is a living biological matrix composed of approximately:
Because of this cellular water, 1 gram of stored human body жиры yields approximately 7.7 kcal (0.85 × 9.0 ≈ 7.65 kcal/g).
The 3,500 Калория Rule (Wishnofsky Heuristic)
One pound equals 453.59 граммов. Multiplying 453.59g by 7.7 kcal/g yields approximately 3,500 kcal per pound of body жиры:
*Note: True long-term вес loss dynamics are non-linear due to adaptive thermogenesis and glycogen/water shifts.
Граммы в калории по целям питания
Распределение макронутриентов для сушки, набора массы или поддержания веса.
Распределение макросов под вашу цель
High protein (2.0–2.4g/kg) combined with moderate carbohydrates preserves skeletal muscle glycogen and lean body mass during an active caloric deficit.
Кето и низкоуглеводные диеты
Restrict net углеводы to 20–50 граммов per day (<200 kcal). Derive 70%–80% of total калории from healthy dietary fats (9 kcal/g) and maintain moderate белки to maintain nutritional ketosis.
Вес Loss & Калория Дефицит
Prioritize foods with low калория density (<1.0 kcal/g) such as vegetables and lean meats. Target 1.6–2.2g of белки per kg of body вес to preserve lean muscle tissue in a caloric дефицит.
Набор мышечной массы & Bulking
Anchor daily intake with 0.8–1.0g белки per lb body вес (~4 kcal/g). Allocate surplus энергия (250–500 kcal) primarily toward углеводы to fuel muscular glycogen storage and recovery.
Алкоголь & Drinking Калории
Алкоголь delivers 7 kcal per gram without appearing on macronutrient panels. When drinking, log pure ethanol граммов × 7 and reduce жиры or carbohydrate граммов to maintain your caloric budget.
Частые ошибки при подсчете граммов и калорий
Избегайте этих 10 распространенных ошибок при взвешивании еды.
"Порция Blindspot" & Дефицит Wipeout Simulator
Free-pouring oil into a skillet feels like a quick splash, but easily adds 24–28g of pure fat (9 kcal/g).
Assuming 100g of food = 100 calories
100g of cucumber contains 15 calories, while 100g of peanut butter contains 588 calories. Calorie density varies by nearly 40-fold across different whole foods.
Confusing food mass with nutrient mass
Weighing 150g of chicken breast does NOT provide 150g of protein. Whole meat is ~65% water and provides ~46g of actual protein.
Logging cooked food using raw entries
Using raw rice calories (365 kcal/100g) for cooked rice (130 kcal/100g) overestimates your meal calories by almost 300% due to absorbed water.
Forgetting alcohol calories (7 kcal/g)
Pure alcohol yields 7 kcal per gram, but is omitted from standard protein, carbohydrate, and fat counts on bar and restaurant menus.
Assuming all grams convert at the same rate
There is no universal grams-to-calories number. Protein and carbs yield 4 kcal/g, fat yields 9 kcal/g, and alcohol yields 7 kcal/g.
Expecting label calories to match exact 4-4-9 arithmetic
Under FDA 21 CFR 101.9, food companies legally round calories and macros to 5- or 10-kcal increments and subtract insoluble fibers.
Confusing dietary calories (kcal) with small calories
Dietary "calories" are actually kilocalories (1,000 small physics calories). 1 kcal is the energy required to heat 1 kilogram of water by 1°C.
Ignoring sugar alcohol and fiber differences
Not all polyols are non-caloric. Erythritol is ~0.2 kcal/g, but maltitol and xylitol yield 2.1–2.4 kcal/g and should be tracked accordingly.
Overlooking nominal package serving weights
Manufacturers frequently list a "serving size" as 28g (~1 oz), but actual packaged portions often contain 35g to 45g.
Using imprecise generic database entries
Boneless skinless chicken breast, roasted chicken thigh with skin, and fried chicken wings have radically different calorie profiles.
Калорийность продуктов по категориям
Обзор питательной ценности основных групп продуктов на кухонных весах.
Калория Density & Plate Volume Spectrum
Watch how physical food mass on your scale changes across categories for the exact same 400 kcal energy budget:
Your stomach senses physical volume rather than сырой калории. Eating low-калория density foods fills the stomach with water and клетчатка, triggering vagal nerve mechanoreceptors that send powerful fullness signals to your hypothalamus.
Poultry & Lean Meats
High-protein, zero-carb whole foods with density dictated by fat and moisture.
Grains & Complex Starches
Carbohydrate-dense energy staples with massive water-absorption shifts during cooking.
Fresh Fruits
Naturally sweet, water-rich carbohydrate sources offering dietary fiber and potassium.
Tubers & Vegetables
High-volume, micronutrient-dense staples with low to very low caloric density.
Dairy & Eggs
Complete amino acid sources with flexible fat-to-protein ratios.
Nuts, Seeds & Pure Fats
Extreme calorie-density lipids providing sustained satiety and fat-soluble vitamins.
Часто Задаваемые Вопросы
Научные ответы на популярные вопросы о граммах, калориях и этикетках.
Методология и Научные Источники Данных
База данных USDA FoodData Central
Официальная база данных питательных веществ Министерства сельского хозяйства США.
Совместный экспертный отчет FAO/ВОЗ
Энергия factors, mandatory rounding thresholds, and этикетка продукта audit rules strictly mirror current U.S. Food and Drug Administration title 21 regulations.
NIH / AtВода Reference
Стандартный metabolizable энергия coefficients are corroborated by National Institutes of Health physiological guidelines and FAO nutrient assessment standards.