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Calculate Ideal Weight for Infants


Weight Calculator for infants is useful for calculating the ideal weight of your baby during various stages of its development. Weight is an important health indicator of a baby and shapes the well-being over their life cycle(1 Trusted Source

Parental human capital and child health at birth in India. Econ Hum Biol. 2018 Sep;30:130-149. doi: 10.1016/j.ehb.2018.06.006. Epub 2018 Jun 30.

Go to source

). This calculator calculates the weight of babies from their birth up to three years. It may not apply for low birth weight or pre-term babies as they ideally require a different measurement health indicator chart(2 Trusted Source

Designing new growth charts for low-birth weight babies: need of the hour in India. Indian J Public Health. 2014 Apr-Jun;58(2):110-2. doi: 10.4103/0019-557X.132286.

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).

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Babies come in different shapes and sizes; some maybe slim and tall whereas others maybe chubby and short. Whatever be their size or shape, babies are definitely special and unique and taking care of their health is the top priority for all parents.

Parents usually compare their babies growth with other babies of the same age. As the baby gains height and weight, their normal growth pattern can be compared with standard growth charts. Every baby should have their own chart maintained by the parents. This is a simple but effective method to the growth and health of the baby. There maybe racial and ethnic variations too but the WHO standards provide a better tool to monitor the rapid and changing rate ofgrowthin early infancy. The tool demonstrate that healthy children from around the world who are raised in healthy environments and follow recommended feeding practices have strikingly similar patterns ofgrowth(3 Trusted Source

[WHO growth standards for infants and young children]. Arch Pediatr. 2009 Jan;16(1):47-53. doi: 10.1016/j.arcped.2008.10.010. Epub 2008 Nov 25.

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).

Select Your Details
Name of your Infant/Child
Gender * Boy Girl
Age of your Infant/Child *
(Months)
Preferred Unit kg lbs
* Required

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Interesting Facts

  • Internet has unlimited access to growth charts to keep track of the normal growth rate of children. We have provided a standard chart from WHO and one that combines Indian Association of Paediatrics & the WHO. This is different for boys and girls.
  • (4 Trusted Source

    Weight-for-age GIRLS

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    , 5 Trusted Source

    Weight-for-age BOYS

    Go to source

    )
  • A full term infant should ideally have an average weight at birth of 3.3 kg or 7 lb 4 oz.
  • Boys on an average are slightly heavier and taller than girls and their growth patterns are also different. Boys are usually 0.3 kg heavier than girls.
  • Variations in the ideal weight score for the first two months may be minimum.
  • Most charts presume that the baby if breast-fed in the first few months as breast-fed babies grow at a different rate from formula-fed babies during the first year. Breast-fed babies during the first 2 months of life gain more in length and weight and then grow less rapidly. During the second year and by the age of 3, breast-fedinfants'growthis comparable to formula-fedinfants'growth.
WHO 2006  Height or length, Weight and head Circumference Charts for Boys – 0 to 5 years in Months
WHO 2006 Height or length, Weight and head Circumference Charts for Boys 0 to 5 years in Months

Indian Association of Paediatrics 2015 & WHO 2006 Combined Height and Weight Charts for Boys for 0 to 18 Years
Indian Association of Paediatrics 2015 & WHO 2006 Combined Height and Weight Charts for Boys for 0 to 18 Years

WHO 2006  Height or length, Weight and head Circumference Charts for Boys - 0 to 5 years in Months
WHO 2006 Height or length, Weight and head Circumference Charts for Girls 0 o to 5 years in Months
WHO 2006 & Indian Association of Paediatrics 2015 Combined Height and Weight Charts for Girls for 0 to 18 years
WHO 2006 & Indian Association of Paediatrics 2015 Combined Height and Weight Charts for Girls for 0 to 18 years

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How and When to measure weight of the Infant

  1. Weigh the baby at birth at one week and then after 10 days. The weight is likely to be the same in a full-term baby.
  2. While there is no set formula but weighing the baby once a month up to one year should be sufficient unless there is a reason to weigh them more frequently.
  3. After their first birthday weigh them once in two to three months.
  4. It is more convenient to weigh the babies at the time of routine immunisations which is at 8, 12 and 16 weeks and at 1 year.(6 Trusted Source

    Maternal and child nutrition

    Go to source

    ),(7 Trusted Source

    Health for all children, 4th edition

    Go to source

    )
  5. Make sure that the weighing machine has been calibrated and preferably use the same machine every time. Use Infant scales for babies up to 10kg.
  6. It is best to use weight measurement in kilograms (kg) and grams (g). The regular calibration of scales is very important in order to ensure accurate measurements.
  7. Infants can be weighed lying down whereas toddlers can be weighed sitting or standing
  8. Try not to use clothes or nappies when weighing the baby as it may add 200 gms or more to the weight.

References

  1. Parental human capital and child health at birth in India - (https://www.ncbi.nlm.nih.gov/pubmed/30016748)
  2. Designing new growth charts for low-birth weight babies: need of the hour in India - (https://www.ncbi.nlm.nih.gov/pubmed/24820984)
  3. [WHO growth standards for infants and young children] - (https://www.ncbi.nlm.nih.gov/pubmed/19036567)
  4. Weight-for-age GIRLS - (https://www.who.int/childgrowth/standards/cht_wfa_girls_z_0_5.pdf?ua=1)
  5. Weight-for-age BOYS - (https://www.who.int/childgrowth/standards/WFA_boys_0_5_zscores.pdf?ua=1)
  6. Maternal and child nutrition - (https://www.nice.org.uk/guidance/ph11)
  7. Health for all children, 4th edition - (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2084033/)

Post a Comment

Comments should be on the topic and should not be abusive. The editorial team reserves the right to review and moderate the comments posted on the site.

Comments

mary-danso-

My 11 months baby weighs 9.2 and 72cm un height. Is there any medication to increase his height

deborah-ovuzouery

My 9months old baby weight is 13kg, she is a girl.

Healthcare, India

Thank you for providing this calculator. Now no need to think when should I go for health checkup. Instead of going through tough and expensive medical treatment it is always better to check your health status on time using regular medical checkup. Also knowing about various diseases, its causes and symptoms will prevent you from danger diseases.

Vijiloges, Malaysia

My son birth weight is 2.49kg and now he is 8.05kg at his 6months. His weight is normal? I want start solid food. Which solid food I need start first? Thank you

Busola, Nigeria

My baby birth weight was 2.5kg and now she is 5.3 at 14weeks please is her weight normal



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