Percentile calculators
8 calculators Baby Percentile Calculator Find your baby's weight, length, and head circumference percentiles using official WHO growth charts for boys and girls aged 0-24 months. Instant results with z-scores.
Open Birth Weight Percentile Calculator Calculate a newborn's birth weight percentile by gestational age and sex using the Olsen 2010 US reference. Get SGA, AGA, or LGA classification and a percentile chart.
Open BMI Percentile Calculator for Children and Teens Calculate BMI percentile for children aged 2-20 using the CDC LMS method. Get BMI, z-score, weight category, and key percentile thresholds for your child's age and sex.
Open Fetal Weight Percentile Calculator Calculate estimated fetal weight (EFW) and growth percentile using the Hadlock 4-parameter formula. Enter BPD, HC, AC, and FL from your ultrasound report.
Open Head Circumference Percentile Calculator Enter your baby's age, sex, and head circumference to find their CDC percentile and z-score instantly. Covers birth to 36 months in cm or inches.
Open Height Percentile Calculator Find your height percentile among US adults (CDC NHANES data). Enter height, sex, and age group to get your percentile, z-score, and population comparison.
Open IQ Percentile Calculator Convert any IQ score to its percentile rank and rarity ("1 in X"). Supports SD 15 and SD 16, reverse lookup, and all major IQ classification systems.
Open Weight Percentile Calculator for Children (Ages 2-20) Find your child's weight percentile using CDC 2000 growth charts. Enter age, sex, and weight to get an exact percentile and z-score with a normal distribution visual.
Open
No calculators match your filter.