Marketing ROI Calculator

What is marketing ROI?

Marketing ROI is the percentage return generated by a marketing investment after subtracting the full cost of the effort. It is the single most defensible metric when justifying budget to a CFO because it speaks in profit, not vanity metrics.

The ROI formula

ROI = ((Revenue − Cost) ÷ Cost) × 100. Example: $12,000 of pipeline sourced by a $3,000 campaign is (12,000 − 3,000) ÷ 3,000 × 100 = 300% ROI.

What counts as "cost"?

• Media / ad spend
• Agency & contractor fees
• SaaS, martech and analytics subscriptions
• Portion of internal salaries allocated to the campaign
• Creative production, translation, printing

ROI vs ROAS vs CPA

ROAS is revenue per ad dollar. CPA is cost per conversion. ROI is profit per invested dollar and is the metric that maps directly to shareholder value.

Typical marketing ROI benchmarks

• Email marketing: 3,600% – 4,200% (36×–42× revenue per dollar)
• SEO / organic content: 500% – 1,300%
• Paid search: 200% – 400%
• Paid social: 150% – 300%
• Display & programmatic: 50% – 150%

How to improve marketing ROI

1. Reduce waste — kill campaigns below break-even.
2. Reallocate spend to top-ROI channels.
3. Compound long-tail channels (SEO, email, community).
4. Improve conversion rate before scaling spend.
5. Track blended ROI, not just last-click.