Likelihood Ratio

Calculate Likelihood Ratio instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

Likelihood Ratio

Sens / (1 − Spec)
LR+
5
Calculate Likelihood Ratio instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

More about: Likelihood Ratio

What it calculates

The “Likelihood Ratio” calculator computes LR+ from 1 parameter: sens / (1 − spec).

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters Sens / (1 − Spec) = 5 the result is 5.

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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