Liver Health Risk Calculator

Educational estimate · not a medical test

Curious About Your Liver Fat? Try This Estimate

This tool gives an educational estimate based on a formula published in liver research, combining a few body measurements with two common blood-panel values. It takes under a minute if you have recent numbers on hand.

What these numbers mean: BMI (from height and weight) and waist circumference both reflect body fat, but waist circumference specifically flags abdominal fat, which is more closely tied to liver fat than BMI alone. GGT stands for gamma-glutamyl transferase, a liver enzyme reported on a standard blood/liver panel — it tends to rise when the liver is under strain. Triglycerides are a type of fat carried in your blood, and elevated levels are often associated with excess liver fat. The formula combines all four into a single 0–100 estimate.

Educational estimate · not a medical test

Want a Deeper Look? Try the FIB-4 Estimate

FIB-4 is a formula used in liver research that combines your age with three common blood-panel values to produce a single estimate. It's often used as a first-pass check before deciding whether more detailed liver testing is worth pursuing.

What these numbers mean: AST and ALT are liver enzymes reported on a standard blood/liver panel — both tend to rise when liver cells are under strain or being damaged. Your platelet count comes from a routine complete blood count (CBC); platelet levels can drop as liver scarring (fibrosis) becomes more advanced. The formula combines these with age because fibrosis becomes more common — and the formula less precise — later in life.

Sources: cutoffs of 1.30 and 2.67 follow the AASLD practice guideline on blood-based liver assessments (2024); the 2.00 cutoff for ages 65+ follows McPherson et al., American Journal of Gastroenterology, 2017.