Calorie Calculator Calibration Scoobys Home Workouts. What all web based calorie calculators do is estimateyour BMR based upon various research that has been done. 1. Calculating Calories and Nutrients in Single Ingredient Meals It is not always feasible to calculate nutrition information for all of your recipes, but having. These research studies have come up with various formulas that you can use to estimate your calories, for example, two of the most commonly used equations come from the research done by Harris Benedict in 1. Mifflin St Jeor done in 1. The Mifflin St Jeor appears to be more accurate but my calorie calculator lets you choose either. These equations based upon the research are easy to use but only get you to within about 1. This innovative calibration procedure lets you approach the accuracy of the expensive medical lab test with a simple web calculator. Here is the procedure In the future, anytime you use my calorie calculator, enter you correction factor in step 9 as shown below. I share solutions. I had a car loan calculator in Excel that everybody liked. With just a few clicks I shared it on my blog. Scan the QR code to test this calculator. LIVESTRONG. COM offers diet, nutrition and fitness tips for a healthier lifestyle. Achieve your health goals with LIVESTRONG. COMs practical food and fitness tools. Calories burned during exercise is listed for various exercises, sports and activities. Calorie Calculator Calibration. What all web based calorie calculators do is stimateyour BMR based upon various research that has been done. Make sure to include the minus sign if the correction is negative The calibration procedure takes a month and I wont lie, its a lot of work. For most people, just using the equations that get you within 1. For serious bodybuilders though, having this accurate information is critical. Since serious bodybuilders are already methodically taking all the data required for this calibration, its not much work for them at all and the gain in accuracy makes a huge difference. About this calibration calculation. You sharp readers will notice that I am using 3. I use Correction calsday Actual Weight losslbsmo Predicted Weight losslbsmo x 3. Wait, you say Thats not accurate, a pound of fat has approximately 3. Isnt using 3. 50. Not at all. Remember that gaining or losing muscle happens very, very slowly when compared to the gain or loss of fat. Its a very good approximation to say that all the weight difference in a month is due to fat therefore, using 3. If I wanted to make this even orecomplicated, I could force people to measure their body composition daily too so that I could accurately take into account both fat lossgain and the muscle lossgain. Given how peoples reluctance to use skinfold calipers I chose to do without this. If somebody wants this, I will add it. By the way, for those of you who dont know what BMR is, its Basal Metabolic Rate, and it is how many calories you would burn off per day if you just did nothing this is basically what calorie calculators estimate. The gold standard for measuring BMR accurately is a medical laboratory test where they measure the concentration of oxygen and carbon dioxide between your in your inhalation and your exhalation as well as the precise rate of breathing liters per minute. From this they can calculate precisely how fast your body is burning calories. Obviously, using this test is the best way to calculate your BMR but I cant afford it and I doubt you can either.