FIB-4 Index (Fibrosis)
Calculate FIB-4 Index (Fibrosis) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
FIB-4 Index (Fibrosis)
Age
AST
ALT
Platelets ×10⁹/L
FIB-4
1.0142
More about: FIB-4 Index (Fibrosis)
What it calculates
The “FIB-4 Index (Fibrosis)” calculator computes FIB-4 from 4 parameters: age, ast, alt, platelets ×10⁹/l.
A professional calculation for specialists.
Example calculation
With parameters Age = 50, AST = 30, ALT = 35, Platelets ×10⁹/L = 250 the result is 1.01.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.