Use ABSI to assess central obesity risk based on waist circumference and height.
ABSI can better reflect abdominal fat risk, but it works best alongside BMI.
You only need height, weight, and waist circumference.
Calculate your Body Mass Index to assess your weight relative to height.
Try calculator →Estimate body fat percentage using Navy, skinfold, or BMI methods.
Try calculator →Evaluate body fat distribution and risk with WHR.
Try calculator →Assess central body fat with a waist-to-height ratio.
Try calculator →Learn how calories drive maintenance, loss, and gain.
Explore guide →Set protein, carb, and fat targets with confidence.
Explore guide →Understand BMI, body fat, and lean mass metrics.
Explore guide →Use heart-rate zones to train smarter.
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