Marketing ROI Calculator
A marketing ROI calculator estimates the revenue a growth program returns for the effort and spend behind it. Enter your monthly visitors, conversion rate, and average deal value to model how many leads and how much revenue your funnel produces today — and the uplift a compounding SEO, content, and paid engine can drive.
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Illustrative model. Real results vary — book a call for a tailored forecast.
The formula
Monthly revenue = Monthly visitors × Conversion rate × Average deal value. ROI uplift = projected revenue ÷ current revenue.
Marketing ROI is the return you earn relative to the investment of time, budget, and effort that produced it. The simplest version multiplies your traffic by your conversion rate to get leads, then by your average deal or order value to get revenue. Improving any of the three inputs — more qualified traffic, a higher conversion rate, or a larger average order value — lifts the output, which is why a balanced growth program works all three at once.
Use this calculator to pressure-test a channel before you invest. The model is illustrative — your real numbers depend on your market, offer, and execution — but it shows where the leverage is. If a small conversion-rate gain moves revenue more than a big traffic increase, fix the page before you buy more clicks. Gigde ties every engagement to revenue this way rather than to vanity metrics like sessions or impressions.
Want the number moved for you? Gigde runs seo & generative engine optimization as a done-for-you service tied to revenue, not vanity metrics. Get a free growth plan →
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Marketing ROI Calculator FAQs
How do you calculate marketing ROI?
Marketing ROI is (revenue attributed to marketing minus marketing cost) divided by marketing cost, expressed as a percentage or ratio. To estimate revenue, multiply your monthly visitors by your conversion rate, then by your average deal or order value. This calculator does that math instantly so you can compare scenarios.
What is a good marketing ROI?
A common benchmark is a 5:1 revenue-to-cost ratio (500%), with anything above 10:1 considered exceptional and below 2:1 often unprofitable after overhead. The right target depends on your margins and sales cycle — high-margin software can sustain higher CAC than thin-margin retail.
Is this ROI calculator free?
Yes. It is completely free, runs in your browser, and needs no sign-up. For a tailored forecast based on your real funnel and market, request a free growth plan from Gigde.
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