Title: ROI Calculator Author: Kriko Published: Jul 27, 2026 --- 1. [Home](https://kriko.io/) / 2. [Tools](https://kriko.io/tools) / 3. ROI Calculator # ROI Calculator Loading ROI Calculator… 1 ## Enter your cost and return Return on investment tells you whether the money you put in came back as profit. It is the common language for judging any marketing spend or project. 2 ## Read your ROI The tool compares your gain against your cost and returns ROI as a percentage, making it easy to compare initiatives and justify budget. ## Popular Tools ![DNS Checker](https://kriko.io/wp-content/plugins/kriko-seo-tools/src/assets/img/ tools/tool-dns-checker.svg) ### DNS Checker Go to Tool ![SERP Preview](https://kriko.io/wp-content/plugins/kriko-seo-tools/src/assets/img/ tools/tool-serp-preview.svg) ### SERP Preview Go to Tool ![robots.txt Generator](https://kriko.io/wp-content/plugins/kriko-seo-tools/src/ assets/img/tools/tool-robots-txt.svg) ### robots.txt Generator Go to Tool ![Meta Title & Description Length](https://kriko.io/wp-content/plugins/kriko-seo- tools/src/assets/img/tools/tool-meta-length-checker.svg) ### Meta Title & Description Length Go to Tool ![SSL Checker](https://kriko.io/wp-content/plugins/kriko-seo-tools/src/assets/img/ tools/tool-ssl-checker.svg) ### SSL Checker Go to Tool 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An ROI Calculator measures the profitability of an investment by comparing the net gain with the amount originally invested. ROI, or return on investment, is expressed as a percentage and can be used to assess marketing campaigns, software projects, equipment purchases, business initiatives and other investments. Unlike ROAS, which focuses specifically on revenue generated from advertising spend, ROI considers whether the overall return exceeded the investment cost. This makes it useful for evaluating a wider range of projects and commercial decisions. ## How Is ROI Calculated? The standard formula is: **ROI = (Return − Investment Cost) ÷ Investment Cost × 100** If an initiative costs £10,000 and produces a total return of £13,000, the net gain is £3,000 and the ROI is 30%. A positive result indicates that the return exceeded the cost, while a negative result indicates a loss. Enter the amount invested and the total return received. The calculator compares the gain with the original cost and displays ROI as a percentage. Calculations take place locally in the browser, so the entered figures are not uploaded to a server. ## Why Should You Calculate ROI? ROI provides a standard percentage that makes different projects easier to compare. Marketing teams can use it to evaluate campaigns, content production, technology investments, agency services or conversion optimisation projects. Accurate results depend on including all relevant costs and returns. Implementation expenses, software fees, production costs, employee time and external services may need to be included alongside the initial investment. Comparing figures from different currencies, time periods or attribution scopes can produce misleading results. Basic ROI also does not account for how long an investment takes to generate its return. A 30% return achieved in one year is not equivalent to the same return achieved over five years. Annualised ROI, net present value or internal rate of return may be more appropriate when time and cash-flow timing are important. The ROI Calculator provides a fast performance baseline for budgeting and optimisation. The result should still be interpreted together with risk, profitability, cash flow and long-term business value. ## Track the digital heartbeat with Kriko Subscribe to receive curated insights, news, and ideas shaping the digital landscape. By checking this box, you acknowledge and accept our [privacy policy](https://kriko.io/privacy-policy).