ROI Calculator
Free ROI calculator to measure return on investment. See total ROI percentage, annualized return, net profit, and investment comparisons instantly with no signup.
ROI Details
ROI Analysis
| Holding period | — |
Cost vs. Return
How This Is Calculated
Return on investment uses ROI = (Gain − Cost) / Cost × 100, with your own numbers plugged in:
Everything behind the ROI Calculator
Formulas, reference charts, and detailed answers — expand any section you need.
Annualized ROI Calculator: Why Time Changes Everything
Total ROI ignores time, which makes it useless for comparing investments of different lengths. Annualized ROI converts any return into a per-year rate.
| Total ROI | Over 1 Year | Over 5 Years | Over 10 Years |
|---|---|---|---|
| 50% | 50% annualized | 8.4% annualized | 4.1% annualized |
| 100% | 100% annualized | 14.9% annualized | 7.2% annualized |
ROI Calculator: How to Measure Return on Investment
This ROI calculator measures return on investment two ways: total ROI, the overall percentage gain, and annualized ROI, the return adjusted for how long the money was invested. Enter what you put in, what you got out, and the holding period, and the calculator shows net profit, total ROI, and annualized return instantly. Additional costs and income received are included in the math, so the result reflects the complete investment, not just purchase versus sale price.
Example: $10,000 invested, $4,000 in profit after 3 years: 40% total ROI, 11.9% annualized.
How to Calculate ROI: The Formula
ROI equals net profit divided by total cost, multiplied by 100. Net profit is everything received (final value plus income) minus everything spent (initial investment plus additional costs). The ROI calculator applies this automatically, and including all costs in the denominator is what separates an honest ROI figure from an inflated one.
Formula: ROI = ((Final Value + Income − Total Costs) ÷ Total Costs) × 100
Rental Property ROI Calculator
Real estate ROI involves more moving parts than a simple buy-and-sell: closing costs and renovations increase the true investment, while rental income offsets it over the holding period. Real estate mode combines purchase price, closing costs, and improvement costs into total investment, nets monthly rent against expenses, and includes the eventual sale price for a complete property ROI and annualized return.
Example: A $250,000 purchase with $15,000 closing and renovation costs, $1,200 monthly net rental income for 5 years, sold at $310,000, produces a total ROI of about 44% and an annualized return of roughly 7.6%.
Marketing ROI Calculator: Revenue vs. Profit
Campaign ROI calculated on revenue alone dramatically overstates performance, since revenue isn't profit. Marketing mode applies your profit margin to attributed revenue before computing ROI, so a $5,000 campaign generating $20,000 in revenue at a 30% margin shows its true 20% ROI rather than a misleading 300%.
Investment Comparison: Which Return Is Actually Better?
Comparing a 3 year investment against a 7 year investment on total ROI alone always favors the longer one unfairly. Comparison mode puts two investments side by side with independent costs, income, and holding periods, and annualized ROI makes them genuinely comparable.