Use this screening calculation with an adult waist measurement taken at the specified anatomical location and interpreted under the stated guideline.

Sex used by the guideline

Required string.

Waist circumference (cm)

Required number in cm.

The cited overview of Waist supplies background for the terminology and domain context used by this tool.^[1]

Compare an adult waist measurement with the sex-specific NIDDK US screening threshold. Inputs are interpreted exactly in the displayed units and the calculation returns the following fields without presentation rounding.

Screening classification

Returned string.

Guideline threshold (cm)

Returned number in cm.

• Thresholds differ by guideline, sex classification, population, age, pregnancy status, and measurement protocol and do not diagnose an individual condition.
• Use finite inputs in the displayed units, preserve source measurements and assumptions, and independently verify consequential decisions.

Consider waist-to-height ratio, waist-to-hip ratio, clinical history, and advice from a qualified health professional rather than relying on one cutoff.

• Waist-to-Height Ratio Calculator

  Calculate waist circumference divided by height using matching units.

• Waist-to-Hip Ratio Calculator

  Calculate waist circumference divided by hip circumference using matching units.

• Body Mass Index

  Calculate body mass index from weight in kilograms and height in metres.