YMCA Method

A simple circumference-based method developed by the YMCA for quick body fat estimation. Ideal for basic screening and tracking general trends in body composition changes.

Method Overview

The YMCA method offers a quick and accessible approach to body fat estimation using basic circumference measurements. While not as precise as other methods, it provides a useful tool for basic screening and monitoring changes over time.

  • Accuracy: ±5-7% compared to hydrostatic weighing
  • Quickest assessment method
  • Minimal equipment needed
  • Easy to perform
  • Suitable for basic screening

Measurement Protocol

Measurement Sites

Required Measurements:

  • Height
  • Weight
  • Waist circumference (at navel)
Measurement Tips:
  • Measure in the morning before eating
  • Stand straight with muscles relaxed
  • Keep tape measure parallel to the floor
  • Take measurements twice for consistency
  • Record to the nearest 0.5 cm

Research & Validation