Calculators
ROI Calculator
Measure return on investment and annualized ROI, see profit or loss at a glance, and switch to break-even mode to find how many units you need to sell.
How it works
ROI compares what you got back with what you put in. Break-even works the other way, finding the sales volume where revenue finally covers your costs.
ROI = (final - initial) / initial × 100Annualized = ((final / initial)1/years - 1) × 100Break-even units = fixed costs / (price - variable cost)A positive ROI is a gain and a negative one is a loss. Annualizing matters when comparing a quick flip against an investment held for several years.
Returns on €1,000
What different ROI percentages mean for a €1,000 investment, in final value and profit.
| ROI | Final value | Profit |
|---|---|---|
| 10% | €1,100 | €100 |
| 25% | €1,250 | €250 |
| 50% | €1,500 | €500 |
| 100% | €2,000 | €1,000 |
Frequently asked questions
What is ROI?
Return on investment is the profit divided by the amount invested, shown as a percentage. An ROI of 30% means you gained 30 cents for every euro you put in.
What is the difference between ROI and annualized ROI?
Plain ROI is the total return over the whole period. Annualized ROI spreads that return evenly across each year, which makes investments held for different lengths of time comparable.
What counts as a good ROI?
It depends on the risk and the time involved. Broad stock market returns have historically averaged high single digits per year, so a much higher figure usually means more risk or a short lucky run.
What does break-even mean?
It is the number of units you must sell for revenue to cover all your costs. Below it you make a loss, above it you make a profit.
How is the break-even point calculated?
Divide fixed costs by the contribution margin, which is the selling price minus the variable cost per unit. If a unit sells for €20 and costs €8 to make, each one contributes €12 toward fixed costs.