Math calculator
Expected Value Calculator
Estimate expected value from probability, potential gain, and potential loss assumptions.
Use this expected value calculator to model the average value of a repeated scenario from probability, gain, and loss assumptions. It is an educational estimate, not a guarantee. CalcStack keeps the working calculator first, with FAQs and related tools nearby when you want to keep exploring.
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Calculate your estimate
Adjust one assumption at a time. The result updates automatically so you can compare changes calmly.
Result
$21.00 expected value
Educational estimate across many repeated scenarios; individual outcomes can vary widely.
Treat this as a planning estimate. Change one input to see which assumption matters most.
Scenario explorer
Try another assumption
Change one input at a time, compare the result, then use a related planning flow if the decision needs more context.
Math calculators are for informational purposes only. Results are estimates and should be checked before using them for important decisions.
How this calculator works
The calculator uses the registry formula for Expected Value Calculator and updates the result from the values you enter.
- Review the default values as a starting point.
- Enter the probability of positive outcome for your scenario.
- Enter the potential gain for your scenario.
- Enter the potential loss for your scenario.
- Read the result and supporting note below the calculator.
- Adjust one input at a time to compare another scenario.
Frequently asked questions
What does expected value mean?
Expected value estimates the average result of a scenario if similar assumptions repeated many times.
Can expected value guarantee a result?
No. Expected value is a planning and education metric. Individual outcomes can differ significantly.
How often is this expected value calculator updated?
The calculator module includes a generated update date and is refreshed when the calculator generator runs.
Next steps
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