Single Loss Expectancy
Free Single Loss Expectancy calculator with clear step-by-step results.
About Single Loss Expectancy
Single loss expectancy is the expected loss from one occurrence.
Formula
Formula
SLE = asset value × exposure factor
Worked example
With the default values below, Single Loss Expectancy returns Single Loss Expectancy of $30,000.00. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Asset valueminimum 0 $
- 100,000 $
- Exposure factor (%)accepts 0–100
- 30
Results
- Single Loss Expectancy
- $30,000.00
- Loss Amount
- $30,000.00
- Exposure Factor
- 30.0%
Step by step
- 1Values used
- 2Formula
- 3Single Loss Expectancy= $30,000
- 4Loss Amount= $30,000
- 5Exposure Factor= 30.0
Assumptions and limits
- The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 1 decimal place, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How does this calculator work?
Single loss expectancy is the expected loss from one occurrence.
Why does this matter?
Used with ARO to compute annualised loss (ALE).
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