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EMV Calculator.
Calculate expected monetary value from scenario probabilities and payoffs.
Этот калькулятор пока переведён не полностью — часть текста отображается на английском.
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Результаты обновляются во время ввода.
Cite this calculator
Canonical URL: https://mathify.one/ru/finance/emv
Cite as: Mathify. (2026). Калькулятор: EMV. https://mathify.one/ru/finance/emv
Use Cases
Project Risk Assessment
Quantify the financial impact of risks in a project by assigning probabilities to cost overruns, delays, or savings, helping decide if contingency reserves are adequate.
Example: A project has a 30% chance of a $10,000 cost overrun and a 70% chance of on-budget completion; EMV = -$3,000.
Investment Decision Analysis
Evaluate different investment options by weighing potential returns and losses with their likelihoods, aiding in choosing the option with the highest expected value.
Example: Stock A: 50% chance of +$500, 50% chance of -$200; EMV = $150.
Frequently Asked Questions
- What is expected monetary value (EMV)?
- Expected monetary value is a statistical concept that calculates the average outcome when future scenarios have different probabilities. It multiplies each possible monetary outcome by its probability and sums the results, providing a single figure to compare risks or opportunities.
- How do I use the EMV calculator?
- Enter each possible outcome's monetary value and its probability (as a decimal or percentage). The calculator multiplies each value by its probability and sums them to give the expected monetary value. Ensure probabilities sum to 100% for a complete set of outcomes.
- What does a positive EMV indicate?
- A positive EMV suggests that, on average, the decision or project is expected to yield a profit, considering the probabilities of different outcomes. A negative EMV indicates an expected loss. It helps compare alternatives in risk analysis.
Tips & Common Mistakes
Tips
- Ensure all possible outcomes are included and their probabilities sum to 100% for an accurate EMV.
- Use consistent monetary units (e.g., dollars) for all outcomes to avoid calculation errors.
- For decision-making, compare EMVs of different options; the one with the highest EMV is typically preferred if risk tolerance is neutral.
- Remember EMV is an average over many repetitions; a single outcome may differ significantly.
Common Mistakes to Avoid
- Forgetting to convert percentages to decimals (e.g., using 30 instead of 0.30) when entering probabilities.
- Omitting outcomes with zero monetary value, which can skew the EMV if they have significant probability.
- Assuming EMV guarantees a specific outcome; it is only a statistical expectation, not a prediction.
Last updated: August 13, 2026