Muscle Mass Percentile Calculator
Normalize DXA appendicular lean mass for height and compare ALMI with sex- and age-specific Korean, US and Chinese references.
DXA · ALMI
Choose a reference population, sex and age, then enter appendicular lean mass.
Important context
Method and sources
- ALMI equals arm-and-leg lean mass in kilograms divided by height in meters squared.
- References come from Korean KNHANES, US NHANES and a Chinese adult DXA study.
- An InBody/BIA SMI is method-dependent and cannot diagnose sarcopenia by itself.
Read the real-world context
All guides →Guides connected to this calculator
DXA ALMI · adults 20+
DXA vs InBody: What a Muscle-Mass Percentile Actually Means
A practical guide to ALM, ALMI and SMI, including why an InBody value is only a rough comparison with DXA references.
WHO 2007 · ages 5–19
How to Read a Growth Percentile Without Chasing the 50th
Learn why the trend matters more than one reading, how measurement error changes results, and why weight-for-age stops at 10.