Weight percentile calculator

Finally, multiply 0.10 by 100 and you get 10. You have lost 10% of your starting weight. Take another look: Starting weight: 200 pounds. Current weight: 180 pounds. 200 − 180 = 20. 20 / 200 = 0.10. 0.10 × 100 = 10%. You may also be interested in our Skinfold Body Fat Calculator or / and FFMI (Fat-Free Mass Index) Calculator. A: Weight depends on multiple factors like age, gender, body frame and height. So if you are supposed to be a 5'3 female, your ideal weight should be between 47.2/57.6 kg. As per a 5'3 male, your ideal weight should be 50.8/61.6 kg. So, to know your accurate weight check our weight chart. Q.Percentage is a fraction of a whole. In mathematics, it's usually expressed as a fraction of 100. Where 100% is whole! Calculating weight loss as a percentage gives a clearer picture of the progress made since the last time one was weighed. We already know that weight loss is a simple difference between two weight measurements taken at different times. That's how to calculate weight loss ...In most cases, boys weight measurements for this age group (5 years old) will lie within the range between 14.86 and 24.46 kgs. The average weight measurement for this age group boys is 18.49 kgs, according to the CDC.The BMI calculator works out if a child or young person is: underweight - on the 2nd centile or below. healthy weight - between the 2nd and 91st centiles. overweight - 91st centile or above.. If the columns (or tables) are already in the filter context, the existing filters will be overwritten by the new filters to evaluate the CALCULATE expression.In a second example, imagine that a baby boy weighs 20 lbs. at 10 months. According to the growth chart calculator, that puts him in the 50th percentile—meaning that 50 percent of 10-month-old babies weigh less and 50 percent weigh more. You can check out this link to learn more about the WHO international growth standards on their website. Weight percentiles are best interpreted with reference to height see calculators for weight for height and BMI percentiles At the extremes 97 th percentile or percentile small. These charts are intended for babies and toddlers with an age of 0-3 years. Males Birth 36 Months. Stature is upright height or standing straight height.Boys CDC chart 2 - 18 year olds Weight for age and Height for age (PDF) Boys CDC chart 2 - 18 year olds BMI for age (PDF) Tweet. Support us The Royal Children's Hospital Melbourne. Telephone +61 3 9345 5522. 50 Flemington Road Parkville Victoria 3052 Australia. Site Map | ... eeenf stock price percentilew () and percentilesw () let you calculate weighted percentiles. Weighted percentiles calculate the given percentiles in a "weighted" way, by treating each value as if it was repeated weight times, in the input. To add a percentage calculation to your results, see the percentages example. Syntax percentile ( Expr, Percentile)7.2. 7.9. The baby weight percentile calculator also considers these values to display the accurate results in accordance with the WHO charts for children’s growth in weight. With that, you can also make use of our another percentile calculator that will help you to compare percentiles of any specific number with other numbers in a data. BMI Percentile Calculator for the United States Data comes from 5662 adults with valid BMIs in the 2015-16 NHANES survey from the CDC. Your Weight is at compared to others of same Height and Age If you are at 50th percentile you are close to the average weight.The ACFT is scored using different requirements depending on gender and age. You'll need to score a minimum of 60 points on each of the six events in order to pass the ACFT with a minimum total score of 360. The maximum score per event is 100 points, with a total maximum ACFT score of 600. What you'll need to achieve in each event to earn ...Healthy weight BMI calculator. Find out if you or your child are a healthy weight. Please note: BMI is a useful measurement of growth for most, but it is only an estimate and it is not able to differentiate between body fat and muscle mass.Baby Growth Calculator This simple calculator allows you to see how the weight and height (length) of an infant compare to other infants of the same age. It uses percentiles for the task of comparison. A percentile indicates the value at or below which a certain proportion of a population falls. This formula can be presented as follows: Weight Loss Percentage (%) = [ (Starting Weight − Current Weight) / Starting Weight ] × 100 If the calculator returns a positive figure, this shows that you have gained weight, while a negative figure shows that you have lost weight. Let's take an example. You now weigh 180 pounds but began at 200 pounds. The percentile data for boys ranges from 84 lbs at the 5th percentile to 158 lbs at the 95th percentile marker. This means 90% of 14-year-old boys weight between 84 lbs and 158 lbs. Interestingly, the 5th and 95th percentiles are the same for boys and girls at this age (84 lbs and 158 lbs).How Baby Weight Percentile Calculator Works? Our free baby percentile calculator requires the following inputs to calculate the growth percentiles of your baby! Input: From the first drop-down list, select your baby's gender After you do that, enter the age and weight of your child in the respective fields After that, hit the calculate buttonNumbers along the left side (Y-axis) of the table represent the first number and first decimal place of the Z-score, while the numbers along the top (X-axis) of the table represent the second decimal position of the Z-score. Equations used Z-score = ( (Weight/M)L - 1) / (L * S) Percentile = ZtoPercentile (Z-score) Examples References Weight Percentile Calculator for Men and Women in the United States Health Written by: PK Below is a weight percentile calculator for men and women, 18 years old and older in the United States. You can toggle between imperial (pounds) and metric (kilograms) units to view the distribution of weights. We also have weight by age for adults. This calculator provides your child's weight percentile based on age. The percentile shows how your child's weight compares to other children. The percentile tells you what percentage of children weigh less than your child. equinox hours This calculator provides your child's weight percentile based on age. The percentile shows how your child's weight compares to other children. The percentile tells you what percentage of children weigh less than your child.This formula can be presented as follows: Weight Loss Percentage (%) = [ (Starting Weight − Current Weight) / Starting Weight ] × 100 If the calculator returns a positive figure, this shows that you have gained weight, while a negative figure shows that you have lost weight. Let's take an example. You now weigh 180 pounds but began at 200 pounds.Below is a height percentile calculator for men and women, 18 years old and older in the United States. Toggle between imperial (feet/inches) and metric (meters/centimeters) units to view the adult distribution of heights in America. We also have height by age for adults.. You can also find a companion adult weight distribution calculator.Also, try our BMI Calculator to compute a body mass ...Finally, multiply 0.10 by 100 and you get 10. You have lost 10% of your starting weight. Take another look: Starting weight: 200 pounds. Current weight: 180 pounds. 200 − 180 = 20. 20 / 200 = 0.10. 0.10 × 100 = 10%. You may also be interested in our Skinfold Body Fat Calculator or / and FFMI (Fat-Free Mass Index) Calculator. percentile which can be obtained from either a graph or a percentile calculator. These percentiles express a child's BMI relative to other children of the same gender and age. ... Healthy weight 5th percentile to less than the 85th percentile Overweight 85th to less than the 95th percentile Obese Equal to or greater than the 95th percentile .If you have JavaScript turned off or have problems using the calculator, use the formula for calculating BMI on About BMI for Adults. BMI: bmi_type. BMI. Weight Status. Below 18.5. Underweight. 18.5—24.9. Healthy Weight. 25.0—29.9.After the BMI is calculated, it is expressed in relation to a percentile a child fits into. Mid-parental height = (mother's height + father's height) / 2. The second step is to add to the value obtained at step 1, either 5 inches (13cm) if the child's gender is male or subtract 5 inches if the gender of the child is female.Weight Percentile Calculator for Men and Women in the United States Health Written by: PK Below is a weight percentile calculator for men and women, 18 years old and older in the United States. You can toggle between imperial (pounds) and metric (kilograms) units to view the distribution of weights. We also have weight by age for adults. The percentile tells you what percentage of babies weigh less than your baby. For example out of a sample of 100 babies, a percentile value of 40 percent means your baby weighs more than 40 babies and weighs less than the other 60 babies. A percentile of 50% represents the average or mean weight. READ Month To Month Baby App. lotto new york Stature is upright height or standing straight height. CDC Growth calculator for 0 to 36 months. These weight-for-stature standards are available as an. Set 1 contains 10 charts 5 for boys and 5 for girls with the 5th 10th 25th 50th 75th 90th and 95th smoothed percentile lines for all charts and the 85th percentile for BMI. At the extremes 97th ...Measure weight and height and calculate body mass index (BMI) - BMI and BMI percentiles may be determined using linked calculators for girls or boys For children… Chronic hypertension in pregnancy: Prenatal and postpartum care … fetal exposure and restart them if blood pressures meet the 140/90 mmHg threshold.Numbers along the left side (Y-axis) of the table represent the first number and first decimal place of the Z-score, while the numbers along the top (X-axis) of the table represent the second decimal position of the Z-score. Equations used Z-score = ( (Weight/M)L - 1) / (L * S) Percentile = ZtoPercentile (Z-score) Examples References Growth Percentile Calculator for Baby, Infants & older Kids (0-20 years) With this growth percentile calculator you can derive the weight, height, head circumference and body mass index percentile for newborns, infants, baby and older boys and girls - from birth to the age of 20. * How to use the growth chart calculatorChild Weight Percentile Calculator. Author: purecalculators.com; Updated: 2022-08-22; Rated: 78/100 ⭐ (9557 votes) High rate: 78/100 ⭐; Low rate: 55/100 ⭐; Summary:. Growth percentiles are measurements of a child in comparison with other children. The percentiles are usually shown as curved lines on growth charts. If your three-month-old.(5lbs / 150lbs) * 100 = -3.33% So, if your starting weight is 150lbs and you lost 5lbs, you've lost 3.33% of your body weight. Note: Please keep in mind, this calculates total weight loss including muscle. A better indicator of how you're doing would be to calculate how much body fat you're losing. It's the fat you want to lose, not the muscle!Determine the percent by weight of sodium chloride in the following solution: 1.75 moles of NaCl (58.44 g/mol) dissolved in .550 kilograms of deionized H 2 O. To start this problem, we need to convert our information into the same unit, in this case, grams. Using molar masses and unit conversions, we are able to find the grams of solute (NaCl ...TONUS PE BMI and Growth Calculator is a pediatric growth calculator - it calculates your child's BMI, BMI percentile, height and weight percentiles, and weight status categories - all at the touch...Pediatric Kidney Size Percentile Calculator contributed by Michal Kulon, MD on 9/15/2015 For age of 0 years 0 months 0 days, the average kidney length is 4.43 cm and standard deviation is 0.29 cm. Right kidney length of 0 cm corresponds to 0 percentile (15.35 standard deviations below the mean).Below is a weight percentile by age calculator for adult men and women in the United States. Select an age range and sex, and optionally toggle between imperial (pounds) and metric (kilograms) units to view the distribution of weights for American adults. Weight in isolation isn't a good health indicator. cirillas This percentile calculator determines the Pth percentile for a given set of data. Unit Converter. Convert units of measurement easily! x; ... a BMI below the 5th percentile are considered underweight and those who measure between the 5th percentile and the 85th percentile are in the healthy weight range. Kids whose BMI is higher than the 85th ...Feb 03, 2022 · Determine the percent by weight of sodium chloride in the following solution: 1.75 moles of NaCl (58.44 g/mol) dissolved in .550 kilograms of deionized H 2 O. To start this problem, we need to convert our information into the same unit, in this case, grams. Using molar masses and unit conversions, we are able to find the grams of solute (NaCl ... Baby Weight Percentile Calculator. weight percentile Weight and height percentiles are determined by growth charts and body mass index charts to compare a child's measurements with those of other children in the same age group. calculator A calculator is a small (often pocket-sized), usually inexpensive electronic device used to perform the ...Alternatively, you can use a child’s BMI percentile calculator. If your child falls below the 5th percentile, this is considered underweight. If they are in the 5th to 85th percentile, this puts them at a healthy weight. Between the 85th to <95th percentile is considered overweight, while those above the 95th percentile are deemed to be obese. Sep 01, 2022 · This calculator provides body mass index (BMI) and the corresponding BMI-for-age percentile based on CDC growth charts for children and teens ages 2 through 19 years. Because of possible rounding errors in age, weight, and height, the results from this calculator may differ slightly from BMI-for-age percentiles calculated by other programs. To get a clear picture of growth, your doctor will also consider the relationship between weight and length. While the percentiles don't have to match up exactly, they should be within a 10 to 20 percent range of each other. If length is 85th percentile but weight is 15th percentile, your baby might be underweight. The other way around?To estimate the child weight percentile: Mark the age of your child on the WHO growth chart and trace a horizontal line Similarly, mark the weight of your child on the X-axis of the growth chart and draw a vertical line, until it meets the horizontal line. The percentile curve on which the intersection occurs is the weight percentile of the child.What is the child weight percentile.The child weight percentage is the difference in weight between the child and other children in the same group. So, if the child's percentile of weight is 80, they are likely to be heavier than 80 other children and smaller than 20 others. The idea is to measure the baby's size and weight in comparison to. The WHO chart indicates that an average 9-month-old ...Finally, multiply 0.10 by 100 and you get 10. You have lost 10% of your starting weight. Take another look: Starting weight: 200 pounds. Current weight: 180 pounds. 200 − 180 = 20. 20 / 200 = 0.10. 0.10 × 100 = 10%. You may also be interested in our Skinfold Body Fat Calculator or / and FFMI (Fat-Free Mass Index) Calculator. travis county tax officevalentines day teddy bearHealthy weight. Percentile >= 85 and < 95: At risk of overweight. Percentile >= 95: Overweight. Notes. These weight-for-stature standards are available as an alternative to BMI for assessment of over or undernutrition in children ages 2-5 years. However, health care providers should consider using the BMI-for-age charts to be consistent with ...Our growth percentile calculator shows how your baby's size compares with other boys or girls the same age. Just enter your child's weight, height (aka length), and head circumference, and we'll calculate a percentile for each. The number reflects what percentage of kids is larger or smaller than your baby. So if your 3-month-old baby is in the ... FFMI Calculator - an easy way to calculate fat free mass index for bodybuilders and fitness enthusiasts based on height, weight and body fat. ffmicalculator ... Lean Weight = Weight * (1 - (body fat [%] / 100) FFMI = (Lean Weight / 2.2) / ((Feet * 12.0 + Inches) * 0.0254) 2Follow the curved line until the end to find which percentile your baby is in. In the example above, the child is a boy who weighs 10 pounds and is 21 inches long. This baby is in the 90th percentile, meaning 90 percent of baby boys this length weigh less, and 10 percent of baby boys weigh more. Length-for-age:This formula can be presented as follows: Weight Loss Percentage (%) = [ (Starting Weight − Current Weight) / Starting Weight ] × 100 If the calculator returns a positive figure, this shows that you have gained weight, while a negative figure shows that you have lost weight. Let's take an example. You now weigh 180 pounds but began at 200 pounds. This calculator provides body mass index (BMI) and the corresponding BMI-for-age percentile based on CDC growth charts for children and teens ages 2 through 19 years. Because of possible rounding errors in age, weight, and height, the results from this calculator may differ slightly from BMI-for-age percentiles calculated by other programs.Weight Category Percentile Range; Below a healthy weight: Less than the 5th percentile: Healthy Weight: 5th percentile to less than the 85th percentile: Above a healthy weight: 85th to less than the 95th percentile: Well above a healthy weight: Equal to or greater than the 95th percentile The BMI-percentile-for-age calculator automatically adjusts for differences in height, age and gender, making it one of the best tools for evaluating a growing child's weight. Enter your information into the form below, then click the Calculate button. All fields are required. Dates should be entered in "m/d/yyyy" format. Subject Values Baby Weight Percentile Calculator. weight percentile Weight and height percentiles are determined by growth charts and body mass index charts to compare a child's measurements with those of other children in the same age group. calculator A calculator is a small (often pocket-sized), usually inexpensive electronic device used to perform the ...It is very common for a new parent to wonder if their child is developing properly, specifically how large or small they are in comparison to other children the same age. The following charts list the values of kids ranging from the 25 th percentile all the way to the 75 th percentile for both height and weight. ohsu mychart Find your baby's weight (pounds or kilograms) on the right side of the grid. Find your child's age in months at the top of the chart. Follow these horizontal and vertical lines until they intersect on the curved line. Follow that curved line until the end, where the percentiles are written on a white, shaded background.Child Weight Percentile Calculator This is a tool that helps measure how a baby's weight compares to other babies. Child Weight Percentile Calculator Gender boy Table of contents The baby weight chart's purpose How do I interpret the baby percentage chart? What is the child weight percentileFind your baby's weight (pounds or kilograms) on the right side of the grid. Find your child's age in months at the top of the chart. Follow these horizontal and vertical lines until they intersect on the curved line. Follow that curved line until the end, where the percentiles are written on a white, shaded background.It's helpful to sort them in ascending order. Of these 18 data values, 3 are less than or equal to the data value 150. To find the percentile rank of 150, apply the formula: percentile rank = ( L N)(100) percentile rank = ( L N) ( 100) where L is the number of data values that are less than or equal to 150, and N is the size of the data set.This value turns out to be 1.48: We can then plug this value into the percentile formula: Percentile Value = μ + zσ. 93rd percentile = 85 + (1.48)*5. 93rd percentile = 92.4. A student who scores at the 93rd percentile would receive an exam score of about 92.4. Note: We could also use the Percentile to Z-Score Calculator to find that the exact ...In statistics, percentiles are used to understand and interpret data. The nth percentile of a set of data is the value at which n percent of the data is below it. In everyday life, percentiles are used to understand values such as test scores, health indicators, and other measurements. For example, an 18-year-old male who is six and a half feet tall is in the 99th percentile for his height.Below is a height percentile calculator for men and women, 18 years old and older in the United States. Toggle between imperial (feet/inches) and metric (meters/centimeters) units to view the adult distribution of heights in America. We also have height by age for adults.. You can also find a companion adult weight distribution calculator.Also, try our BMI Calculator to compute a body mass ... murphy usa near me For example, if your baby's weight is at the 55th percentile, it means that 55% of the population weigh the same or less than your child (and 45% of the population are heavier). This tool will calculate the percentiles for an infant's weight and/or height (length) relative to other infants of the same age and sex. After filling in all the fields in the height percentile calculator, you'll see some figures. As you've seen in the previous part, the first number is the exact height percentile girl (or boy) result. Below, there is the range in which that percentile lies, e.g., between the 15th and 50th percentiles.To calculate BMI, you'd take a child's age, height, and weight and plug it into this calculator. The result will tell you whether a child is underweight, a healthy weight, overweight, or obese. BMI-for-age percentile shows how your child's weight compares to that of other children of the same age and sex. For example, a BMI-for-age ...Percentile Calculator. Instructions: This percentile calculator will calculate a percentile you specify, showing step-by-step, for a sample data set provided by you in the form below: Type the sample (comma or space separated) Percentile (Ex: 0.75, 75%, etc) =. Name of the variable (Optional) =. Apr 22, 2021 · This estimated fetal weight calculator will calculate percentiles as well as the estimated fetal weights based ultrasound data and on many published formulas.* Calculations are based on the 4 common fetal measurements, biparietal diameter (BPD), head circumference (HC), femur length (FL), and abdominal circumference (AC). Track your pregnancy Clinical Calculators / CDC Weight for Age Percentiles for Girls (2-20 years) / In these topics . This calculator provides your baby's weight percentile based on age If r is an integer then the data value at location r, x r, is the percentile …. American Made Bumper Plates ZScore = ( (Weight/M)L - 1) / (L * S) Percentile = ZtoPercentile ...Below is a weight percentile by age calculator for adult men and women in the United States. Select an age range and sex, and optionally toggle between imperial (pounds) and metric (kilograms) units to view the distribution of weights for American adults. Weight in isolation isn't a good health indicator.WHO infant weight for length percentiles (<24 months) This calculator uses measured recumbent length for infants and toddlers from birth through 24 months of age. It is not valid for standing height. At the extremes (>97 th percentile or <3 rd percentile), small differences in percentiles represent clinically important differences. If you have JavaScript turned off or have problems using the calculator, use the formula for calculating BMI on About BMI for Adults. BMI: bmi_type. BMI. Weight Status. Below 18.5. Underweight. 18.5—24.9. Healthy Weight. 25.0—29.9.Sep 13, 2021 · healthy weight, 5th percentile up to the 85th percentile. overweight, 85th to less than the 95th percentile. has obesity, equal to or greater than the 95th percentile ... Please keep in mind that this BMI calculator is not meant to serve as a source of clinical guidance and is not intended to be a substitute for professional medical advice ... Although being much bigger or smaller than average according to the baby weight chart can occasionally be a sign of an underlying health problem, there is no universal threshold for determining this. Generally speaking though, 99 percent of children with healthy growth and development will fall between the 0.4th and 99.6th centile.How Baby Weight Percentile Calculator Works. Numbers along the left side Y-axis of the table represent the first number and first decimal place of the Z-score while the numbers along the top X-axis of the table represent the second. This calculator uses measured standing height for children ages 2 to 5 years and is not valid for recumbent length.Army Body Fat Calculator. The Army Body Fat Calculator is based on the U.S. Army Standards of Medical Fitness, published on June 27, 2019.This calculator will determine body fat percentage and whether the calculated body fat percentage is in compliance with the army recruitment standard, the standard after entry into the army, or the most stringent standard of being in compliance with the ...This BMI calculator for kids returns the body mass index (BMI) value based on child's age, gender, height and weight; together with the child's weight status category and with the percentile range values. The tool has two tabs that are designed to make the calculations for the two measurements systems, English and metric.Jul 27, 2022 · The child weight percentage is the difference in weight between the child and other children in the same group. So, if the child's percentile of weight is 80, they are likely to be heavier than 80 other children and smaller than 20 others. The idea is to measure the baby's size and weight in comparison to their peers. houses for rent section 8 approvedpercentile which can be obtained from either a graph or a percentile calculator. These percentiles express a child's BMI relative to other children of the same gender and age. ... Healthy weight 5th percentile to less than the 85th percentile Overweight 85th to less than the 95th percentile Obese Equal to or greater than the 95th percentile .Jul 14, 2016 · Download Fetal Weight Calculator - Estimate Weight and Growth Percentile and enjoy it on your iPhone, iPad, and iPod touch. ‎The Fetal Weight Calculator helps physicians, nurses, midwives, medical residents, students and other medical professionals quickly compute prenatal weight estimates by using one or more key measurements from a fetal ... Percentile Formula Calculator with a Step-by-Step Solution The percentile formula calculator will find the score for the desired percentile for a data set. First, enter the data set and desired percentile and you'll get the answer. Then, you will get a step-by-step explanation on how to do it yourself.Pediatric Percentile Calculator for Height, Weight, BMI, and Blood Pressure. diastolic blood pressures. Leave either Age or DOB blank. If both are entered, the system will use the Age value and. not DOB. Click "Recalc". The z-scores and percentiles will appear in blue. Use this for those 20 years of age and less.Jul 19, 2021 · This estimated fetal weight calculator will calculate percentiles as well as the estimated fetal weights based ultrasound data and on many published formulas. Calculations are based on the 4 common fetal measurements, biparietal diameter (BPD), head circumference (HC), femur length (FL), and abdominal circumference (AC). sunflower dressesBelow is a weight percentile by age calculator for adult men and women in the United States. Select an age range and sex, and optionally toggle between imperial (pounds) and metric (kilograms) units to view the distribution of weights for American adults. Weight in isolation isn't a good health indicator.Baby Growth Calculator This simple calculator allows you to see how the weight and height (length) of an infant compare to other infants of the same age. It uses percentiles for the task of comparison. A percentile indicates the value at or below which a certain proportion of a population falls. Apr 22, 2021 · This estimated fetal weight calculator will calculate percentiles as well as the estimated fetal weights based ultrasound data and on many published formulas.* Calculations are based on the 4 common fetal measurements, biparietal diameter (BPD), head circumference (HC), femur length (FL), and abdominal circumference (AC). Track your pregnancy Percentile Calculator You can use this percentile calculator to efficiently determine the p-th percentile for a set of numbers. How to use the Percentile Calculator: Input the numbers in the set separated by a comma (e.g., 1,9,18,12), space (e.g., 1 9 18 12), or line break. Enter the percentile value you wish to determine. type into the calculator to find your height percentile. Mens US Height Percentile Chart. 20s: 30s: 40s: 50s: 60s: 70s: 4'10-----4'11-----5'-----5'1*** Fetal weight percentile chart by week. Fetal weight chart in grams from 8 weeks to 27 weeks fetal weight chart in grams. Interesting facts: At 28 weeks of pregnancy, the fetus weighs about 1 kg! Fetal weight chart in kg from 28 weeks to 42 weeks fetal weight chart in kg. Similarly, more pictures on Google search engine: fetal weight chartNormal weight for a 6 year old in kg Normal weight for 6 year olds The average weight for 6 year old boys is 20.8 kg and 6 year old girls average 20.3 kg 1 The tables below show the distribution of weight by percentile of the 6 year year old population. Current units = kilograms. View this page in pounds.This is a quick weight tool that can help you determine how much of your weight you managed to loose in terms of percentage. You can use it in any of the two measurement systems available, English and metric and you can make as many calculations as you want. All you need to do is input the initial and current weight and you will be given the ...Our growth percentile calculator shows how your baby's size compares with other boys or girls the same age. Just enter your child's weight, height (aka length), and head circumference, and we'll calculate a percentile for each. The number reflects what percentage of kids is larger or smaller than your baby. So if your 3-month-old baby is in the ... This formula can be presented as follows: Weight Loss Percentage (%) = [ (Starting Weight − Current Weight) / Starting Weight ] × 100 If the calculator returns a positive figure, this shows that you have gained weight, while a negative figure shows that you have lost weight. Let's take an example. You now weigh 180 pounds but began at 200 pounds. hampton inn west springfield xa