Likelihood Ratio

Calculate Likelihood Ratio instantly with the exact formula and a worked example.

Likelihood Ratio

Sensitivity%
Specificity%
LR+
6
Calculate Likelihood Ratio instantly with the exact formula and a worked example.
LR−
0.118
Probability shift (LR+)
Moderate
Probability shift (LR−)
Moderate

More about: Likelihood Ratio

What it calculates

The “Likelihood Ratio” calculator computes LR+ from 2 parameters: sensitivity (%), specificity (%).

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

Example calculation

With parameters Sensitivity = 90 %, Specificity = 85 % the result is 6.

How to use

  1. Enter sensitivity and specificity — each field above is adjustable with a slider.
  2. LR+ is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

Related calculators

FAQ

How is Likelihood Ratio calculated?
The Likelihood Ratio calculator computes LR+ from sensitivity, specificity. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Likelihood Ratio calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

More calculators in this category

Explore related free tools

Chi-SquareStudent t / F-distributionOne-Way ANOVAF-Test (variance)Kolmogorov-SmirnovLogistic RegressionR² Coefficient of DeterminationStandard Error of EstimateVIF (multicollinearity)Effect Size (Cohen's d)Sample Size for MeanMargin of Error