ROI Calculator
Free return on investment (ROI) calculator that returns total ROI rate and annualized ROI using either actual dates of investment or simply investment length.
How to Use the ROI Calculator
Enter investment cost and expected or realized return value to calculate ROI percentage and profit amount.
Return Baseline Metric
ROI offers quick profitability signal for decisions.
Cost Completeness
Hidden costs can distort ROI if omitted.
Risk Context
ROI should be interpreted with volatility and downside risk.
Time Normalization
Annualized comparisons improve fairness across horizons.
Decision Use
Use ROI as one input with strategic context.
Frequently Asked Questions
What is ROI?+
ROI measures return relative to invested cost.
Can ROI be negative?+
Yes, if value returned is below invested amount.
Does ROI include time?+
Basic ROI does not; annualized metrics are needed for time-aware comparisons.
Can ROI compare projects?+
Yes, but use consistent assumptions and horizon.
Should fees be included?+
Yes, include all costs for realistic ROI.
Is high ROI always better?+
Not if risk is materially higher.
What is annualized ROI?+
It converts total return to equivalent yearly rate.
Can taxes change ROI?+
Yes, after-tax ROI can differ significantly.
Can leverage inflate ROI?+
Yes, leverage can amplify gains and losses.
How often should ROI be reviewed?+
Review after major market and cash-flow changes.
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