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Anthropometric calculators

These Anthropometric Calculators are Microsoft® Office Excel® workbooks which can calculate Z-scores and centiles for height/length, weight, head circumference, and body-mass index for normal children and for children with selected syndromes, based on published norms. Please note that for weight-based measures (weight, body-mass index, weight-for-length and weight-for-height), values for percentiles <1 or >99 and Z-scores <–3 or >3 are not reported, because of the non-normal distribution of weights in children.

These workbooks are free and do not contain macros. They may be used online or downloaded and saved to your hard drive or mobile device.

There are currently three calculators available: Please note that the calculator for the Canadian Pediatric Endocrine Group (CPEG) growth charts has been incorporated into the WHO calculator above, following the development of consensus growth charts in March 2014.

Please also note that the birthweight-by-gestational age calculator has been retired. Instead, please use the Fenton Growth Charts for Preterm Infants (2013). There are also online and downloadable calculators and web apps available for these charts.

We also have available Growth-Z (current version 2014/09/19), a Microsoft® Excel workbook–based program that can do batch calculations for WHO and CDC parameters. There is a page in this workbook with instructions for use. Please note that this workbook contains macros, which will have to be enabled for this to work. Please also note that this workbook and the desired anthropometric calculator(s) must be placed in the samer folder on your computer. There are problems reported using this with Macs that we have been unable to resolve.

Also take a look at the height- and weight-plotting app for the CPEG growth charts.

Please let us know if you have any questions about these calculators or any difficulties in using them.

Page Last Updated: 24 February 2015