ROI Calculator
A practical ROI calculator for marketing, advertising, promotions, and other spend-to-earn projects. Enter the total cost and the revenue you expect the activity to generate, then see profit, ROI, and a simple payback estimate.
What this is for
- Marketing and ads: Meta, Google, YouTube, programmatic, sponsorships, influencer partnerships.
- Promotions and sales: discount campaigns, affiliate commissions, seasonal offers.
- Product or feature launches: landing pages, creative production, media to drive trials or sales.
- Events and trade shows: booth fees, travel, lead capture, follow-up revenue.
- Services and contractors: freelance design, content, CRO work tied to incremental revenue.
ROI here uses the simple formula (revenue − cost) ÷ cost. The optional “time window in months” spreads revenue evenly across that window to estimate a payback period. For pricing math, try the Markup & Margin Calculator. For a quick gut-check method, read Quick ROI check.
Profit
ROI
Payback period
ROI uses profit divided by cost. Payback uses your time window to estimate when cumulative profit repays the upfront cost. Tip: numbers update as you type. For pricing math, try the Markup & Margin Calculator. For a quick sanity check before you spend, see the Quick ROI check.