Calculate your calorie deficit for weight loss goals.
Daily calorie target = Estimated maintenance calories − Selected calorie deficitThe calculator applies the selected body, age, activity and goal assumptions to a standard planning equation. Actual needs vary with health status, climate, training, medication, food measurement and changes in body weight or activity.
To use calorie deficit, put in all necessary inputs in the calculator. Use age, sex, height, weight, & activity level, all for a more precise calorie deficit. In some of the calorie estimators, these 5 inputs calculate your daily calories for you; some may make use of the inputs from other estimations and compare it.
The estimation provided is just an estimate used for planning not for diagnostics & nor does it ascertain any changes or development in your body weight. Everyone has their individual caloric & bodily requirements.
Enter your information as accurately as possible. The calculator may require the following measurements and details:
For the best estimate use recent measurements and an activity level similar to your usual routine. If your recent activity levels, weight or daily routine have changed dramatically, it’s unlikely this estimate will meet your energy requirements.
A calorie deficit happens in days where more energy is exerted than consumed by the body in that particular period. Typically, calorie deficit calculator software will first calculates energy expenditure on average for a typical day and subtracts your intake from your Estimated Energy Requirements (EERs).
One more widely applied method is for BMR to be calculated (the amount of energy needed for basic body functioning) and an activity factor used to arrive at the TDEE..
The calculated estimate can then be compared to a planned caloric deficit to arrive at the estimated calorie deficit per day. This approximation should be taken with a pinch of salt, because you are using equations on an entire population group as well as estimating activity levels.
If the calculator is using the Mifflin-St Jeor method, then BMR is calculated by
For males: BMR = (10 × weight in kg) + (6.25 × height in cm) − (5 × age) + 5
For females: BMR = (10 × weight in kg) + (6.25 × height in cm) − (5 × age) − 161
An estimated daily energy requirement can then be calculated as:
TDEE = BMR × Activity Factor
The estimated calorie deficit is:
Calorie Deficit = Estimated TDEE − Daily Calorie Intake
A specific calculator uses a formula which varies according to configuration. The output shown for that result can only therefore serve to offer an approximation to the inputs entered.
Suppose an adult enters information that produces an estimated TDEE of 2,400 calories per day and enters a daily calorie intake of 2,000 calories.
The estimated calorie deficit would be:
2,400 − 2,000 = 400 calories per day
Example 3-3 The calculator projected about 400 calories needed per day. This is not an exact prediction of how much weight a person would lose, as actual usage and changes in body weight do not occur on perfectly accurate numbers.
The result provides an estimate as the difference between your calorie intake and expected daily calorie expenditure. A positive value reflects an estimated intake that is below your estimated calorie expenditure; close to zero and your entry appears very close to the estimated daily calorie requirement utilized by the calorie calculator.
The above outcome should not be assumed to be a rate you will lose weight at on a guaranteed level as body weight varies due to such variables as water balance, liver stores (glycogen), contents of digestive tract, varying levels of activity, body composition, and difference between estimated and actual energy expenditure.
And that’s not to say calorie deficit, of all diets, necessarily comes at the right time for everyone. An individual person also will have very specific dietary requirement’s that nobody really could calculate accurately online by just providing in personal, statistical and medical data.
Calorie Deficit Calculator Disclaimer: While we can offer a good estimation the calorie deficit calculator should not be used as an exact calculation of you metabolism or total daily calorie expenditure. What the calculator will not do: Calculate an exact personalized calorie count to meet your needs Estimate a weight loss amount Predict the exact amount of weight you’ll lose Indicate body fat or muscle composition Diagnose a health issue
Calorie Deficit Calculator Disclaimer: While we can offer a good estimation the calorie deficit calculator should not be used as an exact calculation of you metabolism or total daily calorie expenditure. What the calculator will not do: Calculate an exact personalized calorie count to meet your needs Estimate a weight loss amount Predict the exact amount of weight you’ll lose Indicate body fat or muscle composition Diagnose a health issue
Please do not use this calculator in place of medical or nutrition advice specific to you. Those of you pregnant, under the age of 18, with an illness (which should be assessed by a suitably qualified person), with medication that can alter appetite and weight, those recovering from an ED and anyone with any major medical condition or worries should see a doctor.
A calorie deficit occurs when you are eating fewer calories than you estimate your body is expending for a period of time. To work out the deficit, you need to subtract your intake from your expenditure.
Most calculators will guess at your BMR, using a well-known equation (like the Mifflin-St Jeor equation), will guess at your total daily calorie use (using your factor of activity), and the distance between these two numbers can become the estimate!
No. A calorie deficit refers to an estimate that there is more energy expenditure than the energy intake, but body weight changes over time can be caused by other factors that no single calculator takes into account to predict weight accurately.
Estimates calories consumed for the day; your estimate TDEE adjusts when different activity category is selected, that’ll indirectly impact your calorie deficit if you wish.
It’s a good initial estimate for your general calorie needs, not a direct measure of how much energy your body uses throughout the day. The best result will come from using a proven equation and entering reliable data- especially on weight, height and physical activity.
For an estimate that considers how much you require currently, based on what your requirements currently indicate, current weight is the correct weight to input. Using a different weight may give you a very different estimate of requirements.
Use current measurements and a realistic activity level. Follow the estimate consistently, monitor results over time and adjust only after comparing actual progress, hunger, performance and professional guidance.
It's important to view a calorie deficit more like an approximation for potential calorie loss for the day - not a guarantee. Every calorie you consume can contribute in many different ways to your energy expenditure during the day, including essential functions like respiration, physical activity, and even digestion of the food you eat. It is thus normal for it to differ from the figures estimated by your calculator.
A -500-calory defictie results in an estimated daily energy expenditure that is 500 higher then what you provided as you’re daily intke in the tool. Eg 2.500 kcal energy expendidure per day vs 2.000 kcal entry gives an estimated deficite of 500 kcal per day.
This figure should be taken as a calculation, and not a guarantee of an individual amount of weight lost as change in bodyweight relies on a myriad of factors including but not limited to your total energy expenditure, body composition, fluid balance, diet and levels of activity etc.
Difference A calorie deficit per day is the amount you are estimating you’ve eaten each day with one day's difference in mind, rather than the rest of the week's effort combined. If you calculate you’ve eaten 400 calories fewer every single day for 7 days your maths total comes to 2,800 calories, but the way the body works will not be quite that simple for most people.
These Estimated calorie needs can vary. Estimated caloric expenditure of you will change due to variations in your body mass, exercise level, activity volume or level and other circumstances. That’s why today may output a calculation that may not be exact later if input has change.
This general calculator is for informational purposes and is not suitable for calculating personal calories needs during pregnancy, childhood/adolescence or where there are specific considerations related to the use of drugs/medicines, the health of other, a disorder eating habits, or any health or other matters relevant for nutrition.
Incorrect units are another frequent culprit for incorrect calculator outcomes. Never input lb when prompted for kg, and likewise do not fill in in if prompted for cm. For instances when the calculator allows for US customary or metric inputs, double check that the correct unit was selected.
Therefore, the Calorie Deficit Calculator is most valuable for approximation and learning purposes. Select accurate values, be aware of the assumptions behind the calculator, and view the calculated deficit as an estimate rather than a direct indication for your health.