Let's say that you eat 2,500 calories a day and maintain your current weight. Pure fat contains 8.7–9.5 calories per gram. How many calories are in one gram of fat, carbohydrate, or protein? BMR also declines by 1%–2% per decade after 20 years of age, which is due to loss of fat-free mass, although the variability between each individual is present. Body fat tissue is 87% fat. Outside of this range in fat you also have to account for the difference between "deficit" and net caloric availability. There are numerous other factors that influence weight change such as leptin and angiogenesis but we rarely account for these. The reality is the majority of weight loss changes we see from caloric reduction are from glycogen and water retention which is why it's so easy to reduce weight by 5 - 15 pounds short term but so hard to keep it off long term. Outside of this range in fat you also have to account for the difference between "deficit" and net caloric availability. If I assume I always have a deficit of 200 kcal each day, can I assume that dropping 1kg of fat will take 45 days (9000/200 = 45) or is it more complicated? 1 kilogram is equal to 7716.1791764707 calorie. It's also why weight loss plateaus so easily. New comments cannot be posted and votes cannot be cast. People criticize me for saying that "Calories in, Calories out" is over simplified. Note that rounding errors may occur, so always check the results. This translates to people needing somewhere between 26.4 and 39.6 calories per kilogram to maintain their weight, depending on gender and activity level. you burn less calories and get more calories out of your food). Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram. To lose 1 kilogram of body weight, you would need to create a deficit of about 7,700 calories. Use this page to learn how to convert between kilograms and calories. I'm just happy to see an informed person that agrees. Most people assume that dropping their caloric intake by 500 calories a day will cause a 500 calorie deficit therefore a reduction of about 1 lbs of fat per week; however, we know that reduced caloric intake leads to reductions in BMR and entropy (a.k.a. It is very essential to consume a sufficient number of calories that an individual needs, where cutting out on calories may help people shed weight. Is the conversion in the title correct? ›› Definition: Kilogram The kilogram or kilogramme, (symbol: kg) is the SI base unit of mass. It is true that for the majority of people simply eating better and eating less will result in positive body composition changes but for the people that have trouble understanding the true complexity of weight change may be necessary to elicit weight changes. The SI base unit for mass is the kilogram. A pound of body fat is roughly equivalent to 3500 calories burned through activity. Looks like you're using new Reddit on an old browser. Press question mark to learn the rest of the keyboard shortcuts, fat is only about 60% - 85% adipose tissue. You can view this information on the bottom of the Nutrition Facts Panel Every pound of fat is 3500 calories so to lose 1kg fat would require a 7700 calorie deficit. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. So if fat was pure adipose tissue it would be 9000 kcal for 1kg of fat, but fat is only about 60% - 85% adipose tissue meaning 1kg would be somewhere between 5,400 - 7,650 kcal. So if fat was pure adipose tissue it would be 9000 kcal for 1kg of fat, but fat is only about 60% - 85% adipose tissue meaning 1kg would be somewhere between 5,400 - 7,650 kcal. Counting calories and losing 1 kg per week. Civil discourse is required. 3,500 calories is for a pound of bodyfat, converted to kilograms it is then 7700 calories. A subreddit for the discussion of nutrition science. Macronutrients, micronutrients, vitamins, diets, and nutrition news are among the many topics discussed. A pound of fat corresponds to roughly 3,500 calories, so losing a kilogram of weight per week means cutting 7,700 calories from your diet each week – or 1,100 each day.
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