Calorie New Zealand Calorie Calculator uses the formula to first calculate your BMR, based on your inputs for weight, age, and gender. This base energy is called the Basal Metabolic Rate (BMR). They wrapped all their knowledge into a mathematical formula, which can find out how much energy any body needs to survive at a basic level. They worked out that bigger bodies need more energy than smaller bodies, and bodies with more muscle need more energy than less muscular bodies, and younger bodies need more energy than older bodies. ![]() ![]() Scientists have figured out a range of energy levels required to keep a human body alive and functioning at a basic level. When you use more than you consume, you enter a calorie deficit situation. Using more calories than you eat is the goal of all weight loss diets, meal plans, and systems. If you use more calories than you eat, the stored fat will be converted (“burned”) to make up the difference. If you eat more calories than you use, your body will store some of the unused calories as fat. Weight (fat) Loss and Gain is Simply a Numbers Gameĭespite what you might have heard elsewhere, body fat, and thus weight, is ultimately lost and gained in proportion to the difference between how much energy (calories) you eat and how much energy you use up. Just enter your body weight, your age, gender, then choose an activity level and let the calculator work out your specific daily calories number. The most convenient and accurate way to find out how many calories you need is to use Calorie New Zealand’s calorie calculator. To lose weight, you will probably need to eat about 1,500 calories per day. Unfortunately, this fact is not very useful if you are trying to lose weight (unless you ordinarily eat more than 3,000 calories in a day). A Biometric Study of Human Basal Metabolism. RMRCB = Resting Metabolic Rate Calorie BurnīMR = Basal Metabolic Rate (in calories burned per 24 hours) Calculator Formulas Formula for Gross to Net Calorie Burn Conversionįormula for Net to Gross Calorie Burn Conversion If you want to learn more about net and gross calorie burn, what the difference between them is, and how they impact your calorie tracking efforts, read our Net Versus Gross Calorie Burn article. ![]() Therefore, to use these calculators correctly you must have already determined your calorie burn estimate for a given activity and you must know if that calorie burn estimate is a gross or net value. Note that the calculators on this page do not estimate your calorie burn for physical activity, they convert already determined calorie burn estimates from gross to net, or from net to gross. ![]() If you track how many calories you burn during physical activity for weight management, it is important to know if the numbers that you are working with are gross calorie burn estimates or net calorie burn estimates, because over time the unaccounted for cumulative difference between net and gross calorie burn can become significant. The first calculator converts known gross calorie burn values to net calorie burn, and the second calculator converts known net calorie burn values to gross calorie burn. There are two net versus gross calorie burn conversion calculators on this page.
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