Annualized loss expectancy

Estimate your annual potential losses in seconds.

Calculator

Enter your values below. Exposure Factor should be the percentage of loss from one incident, and ARO is how often you expect that incident per year.

Confidentiality is a top priority, so no information you input here will be stored or persisted.

Currency Choose the currency you want the estimate shown in Asset Value (AV) Example: 100000 Exposure Factor (%) Example: 25 for 25%

Annualized Rate of Occurrence (ARO) Example: 0.5 means once every two years; 2 means twice per year

These values help estimate expected annual loss under the ALE model.

Single Loss Expectancy

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Annualized Loss Expectancy

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Formula used:

SLE = AV × EF, ALE = SLE × ARO

Once you know your estimated annual loss, the next step is reducing either the exposure factor or the rate of occurrence.

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