Investment profitability calculator. Evaluates gains and losses, percentage ROI, Compound Annual Growth Rate (CAGR), wealth multiplier multiples, and purchasing-power real returns over any investment horizon.
Runs entirely in your browser
Return on investment (ROI) measures how much you gained or lost relative to what you put in. This calculator computes simple ROI as a percentage, but it goes further: it also gives the annualised CAGR (which accounts for the holding period), the wealth multiplier, and the inflation-adjusted real return.
Those extra measures matter because a raw ROI can mislead. A 50% return sounds great until you learn it took ten years — the CAGR reveals the modest annual rate behind it. And a positive nominal return can be a real loss once inflation is subtracted, which the real-return figure exposes. Together they give an honest read on performance.
It runs in your browser, so your figures stay private. Use it to evaluate a past investment, compare opportunities on a like-for-like annualised basis, or check whether a return actually beat inflation.
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