Volume Calculator
Volume of any 3D shape and conversion between volume units.
ROI Calculator
Return on investment, total and annualized.
—
What this return means over other horizons
The same total return looks very different depending on how long it took.
| If it took | Annualized return | Verdict |
|---|
Return on investment
—
Profit—
Annualized return—
Total invested—
Total returned—
Growth multiple—
Holding period—
Against a 7% benchmark—
Quick Tool Overview
The ROI Calculator gives the profit and percentage return on an investment, and the annualized return alongside it — because a fifty percent gain means something very different over one year than over ten.
- What it does
- Calculates total and annualized return on investment
- You give it
- The amount invested, the final value and the holding period
- You get back
- Profit, ROI percentage and the annualized return
- Best for
- Comparing investments held for different lengths of time
About the ROI Calculator
Enter what you put in and what you got out to get the profit and the return as a percentage. Add the holding period and the calculator also gives the annualized return, which is what makes two investments held for different lengths of time actually comparable.
Simple ROI ignores time entirely, and that omission is where most misleading return claims come from. A fifty percent return sounds excellent until you learn it took ten years, which works out at about four percent a year. The calculator reports both figures deliberately, alongside the option to include costs and ongoing income, because a return calculated on the purchase price alone rather than the full amount invested will always be flattering and always be wrong.
Key features of the ROI Calculator
Annualized return included
Simple ROI ignores time entirely, which is where most misleading return claims come from.
Costs and income counted
Fees, taxes and ongoing income all belong in the calculation, not just purchase and sale price.
Works in months or years
Short holding periods annualise correctly rather than being rounded to a year.
Profit in cash as well as percent
Both figures, because a large percentage on a small base is not the same as a large return.
Negative returns handled
Losses are reported honestly, including the annualized rate of decline.
How to use the ROI Calculator
-
1
Enter the amount invested
The full cost including fees and any additional money you put in along the way.
-
2
Enter the final value
What the investment is worth or sold for, plus any income it produced.
-
3
Add the holding period
In years or months, so the annualized return can be calculated.
-
4
Compare on the annualized figure
That is the number to use when weighing investments held for different periods.
Frequently asked questions
Subtract the amount invested from the final value to get the profit, divide by the amount invested, and multiply by a hundred. Include every cost in the amount invested or the result will be flattering.
ROI is the total return over the whole period regardless of length. Annualized return converts it to a per-year rate, which is the only fair way to compare investments held for different lengths of time.
Yes. Transaction costs, management fees and taxes all reduce what you actually keep, so leaving them out produces a number that overstates the return you achieved.
It depends entirely on risk and time frame. A long-run stock market average of roughly seven to ten percent a year is a common benchmark, but comparing a single investment against it without adjusting for risk is not meaningful.
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