ROI Calculator.

Return on investment, or ROI, is calculated as the gain from an investment, which is the final value minus the initial investment, divided by the initial investment, then expressed as a percentage. In formula terms, ROI equals the quantity final value minus initial investment, divided by initial investment, multiplied by one hundred. For example, if you invest Rs 2,00,000 and it grows to Rs 2,60,000, the gain is Rs 60,000, and dividing that by the original Rs 2,00,000 gives 0.30, or a 30 percent ROI. This figure tells you the total percentage return over the entire holding period, regardless of whether that period was six months or six years, which is exactly why this calculator also computes the annualized return alongside the simple ROI, since the total percentage alone does not tell you how efficiently your money grew per year.

ROI, or return on investment, measures your total percentage gain or loss over the entire time you held an investment, without regard to how long that period actually was, whereas annualized return, often called CAGR or compound annual growth rate, expresses that same total gain as if it had grown at a steady, compounding rate every single year, which makes it possible to fairly compare investments held for different lengths of time. A 30 percent total ROI achieved in six months is a dramatically better result than the same 30 percent achieved over six years, but the ROI figure alone looks identical in both cases; the annualized return, by contrast, would show a much higher yearly rate for the six month case than for the six year case. This calculator computes both figures from the same inputs, the total ROI for a quick headline number, and the annualized return for a fair, time-adjusted comparison against other investments or a benchmark rate.

Your initial investment should include the full amount of money you actually committed at the outset to acquire or start the asset, business, or venture you are measuring, not just the most obvious sticker price. For a piece of equipment, this means the purchase price plus any installation, delivery, or setup costs that were necessary to get it working. For a business venture, it means all the capital you put in at the start, not just one visible expense. Leaving out real costs from your initial investment figure will overstate your ROI and your annualized return, making the investment look more successful than it actually was. Being thorough and consistent about what counts as your initial investment, and using the same standard every time you evaluate different opportunities, is what makes ROI comparisons across different investments meaningful rather than misleading.

Yes, ROI is negative whenever the final value of an investment is lower than the initial amount you put in, meaning you have made a loss rather than a gain. This calculator handles negative outcomes directly: if you enter a final value lower than your initial investment, it will show a negative rupee gain, a negative ROI percentage, and a negative annualized return, all displayed in a red panel to make the loss immediately clear rather than easy to overlook. A negative ROI is common and expected in some contexts, for example a failed product launch, a piece of equipment that had to be scrapped early, or a market downturn affecting an investment portfolio, and seeing the precise negative percentage and annualized rate helps you understand exactly how costly the loss was relative to your original commitment, which is useful both for your own records and for deciding whether to repeat a similar type of investment in the future.

Simply dividing your total ROI percentage by the number of years assumes the return grew in a straight line, adding the same fixed amount every year, but real investments typically compound, meaning each year gains grow which then earn their own the growth in turn, which is a fundamentally different mathematical process. The annualized return this calculator computes uses the compound annual growth rate formula, which finds the single constant yearly growth rate that, if applied every year and compounded, would take your initial investment to exactly your final value over the stated period. Because compounding means growth builds on growth, this figure is always slightly different from, and more accurate than, a naive division of total ROI by the number of years, particularly for longer holding periods where the compounding effect becomes more pronounced. Using the compounded figure rather than a simple average gives you a number that is directly comparable to other compounded rates, like a bank fixed deposit interest rate or a mutual fund advertised annual return.

There is no universal good ROI figure, since acceptable returns vary enormously depending on the type of investment, the risk involved, the industry, and the time period over which the return was earned. As a rough point of reference, a very low-risk instrument like a bank fixed deposit in India might return somewhere around 6 to 7 percent annually, so any business investment carrying meaningfully more risk should ideally target an annualized return comfortably above that benchmark to justify taking on the additional risk and effort involved. Higher-risk ventures, like a new product line or an unproven marketing channel, are often judged against a higher bar, since the possibility of complete loss is also higher. Rather than chasing a fixed target percentage, the more useful practice is to compare the annualized return this calculator gives you against your specific cost of capital, your other available investment options, and the risk you took on, and to track it consistently across your different business decisions to see which types of investment actually perform best for you over time.

No, every calculation in this tool runs entirely inside your own browser using JavaScript on the page, and the initial investment, final value and holding period you enter are never transmitted to us or to any third party. There is no account, login or saved history involved, so you can freely check the real performance of your investments, business decisions or ventures without any concern about the figures being logged or shared anywhere. The results appear instantly because nothing needs to travel over a network connection, and the calculator works reliably even with an unstable internet connection, since all the computation happens locally on your device rather than on a remote server. The one trade-off is that nothing is remembered between visits or calculations, so if you want to keep a particular ROI result for your own records or to compare against a future calculation, note the figures down or take a screenshot before changing the inputs.