ROI Calculators
ROI Calculator
Enter what you put in and what you got back and ROILab estimates your return on investment — the net gain, the ROI percent, and an annualized return when you add a holding period.
Return on investment estimate
Return on investment
+60.00%
- Net gain
- $6,000
- Annualized ROI
- +9.86%
Result breakdown
ROI is the net gain divided by the initial cost. Add a holding period to see the annualized (compound-per-year) return.
Comparison arithmetic measured on the initial cost only — it ignores fees, carrying costs, taxes, and reinvested cash flows. An estimate for comparing returns, not financial, investment, or tax advice.
About this calculator
A free return-on-investment calculator that turns an amount invested or spent and an amount returned or earned into a clear net gain and ROI percent. Add a holding period in years and it also estimates the annualized (compound-per-year) return so a five-year deal and a one-year deal can be compared on the same footing. ROI is measured on the initial cost only, so it excludes fees, carrying costs, taxes, and reinvested cash flows. Everything runs in your browser; the result is an estimate for comparison, not financial, investment, or tax advice.
By variant
Questions
- How is ROI calculated?
- ROI is the net gain divided by the initial cost, expressed as a percent. The net gain is the final value minus the initial cost, so a $10,000 cost that returns $16,000 is a $6,000 gain and a 60% ROI.
- What is annualized ROI?
- Annualized ROI spreads the total return evenly across the holding period as a compound per-year rate, so a 60% total return over five years is roughly 9.86% per year. It lets you compare deals with different time horizons fairly. Leave the years field at 0 to see only the simple, un-annualized ROI.
- Is the ROI calculator free?
- Yes. It is free, needs no account, and calculates entirely in your browser — none of the numbers you enter are uploaded or stored.
- Why might my real return differ?
- The tool measures ROI on the initial cost alone. It does not subtract fees, carrying costs, or taxes, and it does not account for partial cash flows collected along the way, so treat it as a clean comparison estimate.