Calculator inputs
Large screens show three columns, smaller screens show two, and mobile shows one.Example data table
This example compares possible outcomes for adopting a new automated reporting workflow.
| Scenario | Probability % | Benefit | Cost | Time (hrs) | Multiplier |
|---|---|---|---|---|---|
| Full adoption | 35 | $1200 | $180 | 8 | 1.10 |
| Partial adoption | 25 | $780 | $120 | 6 | 1.00 |
| Slow rollout | 15 | $420 | $150 | 10 | 0.90 |
| Minor setback | 8 | $0 | $220 | 5 | 1.00 |
Formula used
Each scenario is converted into an adjusted net value before the final weighted average is calculated. This helps productivity decisions reflect gains, direct costs, and time consumed.
The calculator automatically normalizes probabilities when they do not total 100%. That keeps the final result mathematically consistent without forcing you to re-enter every scenario.
How to use this calculator
Enter a decision name, choose the unit you want to measure, and assign a value to your time. Then add each possible outcome as a separate scenario.
For every scenario, enter its probability, benefit, direct cost, required hours, and an impact multiplier. The multiplier is useful when one outcome creates a stronger or weaker effect than the raw numbers suggest.
Submit the form to view the net expected value, risk-adjusted value, detailed contributions, and the Plotly chart. Use the CSV and PDF buttons to export the current result set.
FAQs
1) What does expected value mean here?
Expected value is the weighted average outcome of all listed scenarios. It combines each scenario’s payoff with its probability, giving one number for the average projected result.
2) Why is this useful for productivity decisions?
Many work choices involve uncertain payoffs. Expected value helps compare options like automation, delegation, training, or software changes using a structured, repeatable decision method.
3) What if my probabilities do not total 100%?
The calculator normalizes them automatically. It divides each entered probability by the total entered probability so the final weighted calculation remains valid.
4) Can I enter negative outcomes?
Yes. Negative outcomes can be represented through higher costs, low benefits, or both. That allows you to model setbacks, rework, delays, and failed experiments realistically.
5) What does the impact multiplier do?
It scales a scenario’s final net effect. Use values above 1.00 to amplify impact or values below 1.00 to reduce impact when raw numbers understate or overstate reality.
6) What is the risk-adjusted value?
Risk-adjusted value subtracts a volatility penalty from expected value. It helps when you prefer steadier results instead of chasing a high average with large downside swings.
7) How many scenarios should I use?
Use enough scenarios to reflect realistic outcomes without overcomplicating the model. Six to ten scenarios is often enough for a practical decision review.
8) Is expected value alone enough to choose?
No. Expected value is powerful, but it should be reviewed alongside variability, downside risk, strategic fit, cash limits, and your tolerance for uncertainty.