OomTools

SEO ROI Calculator

Proving SEO paid off comes down to one comparison: the revenue it drove versus what you spent to drive it. Enter both and it returns the return — a number to defend the budget with, or to stack SEO up against your other channels.

  • 100% free
  • Private & safe
  • Runs in your browser

Why use SEO ROI Calculator?

SEO ROI Calculator turns your inputs into a clear, realistic estimate so you can plan, price and compare with confidence.

  • Runs instantly in your browser — nothing to install, nothing uploaded.
  • Completely free, with no account, no watermarks and no usage limits.
  • SEO ROI = (revenue − cost) ÷ cost × 100
  • Enter the revenue attributed to SEO.
  • Works on any device — desktop, tablet and phone — and is fully keyboard accessible.

How to use SEO ROI Calculator

  1. Enter the revenue attributed to SEO.
  2. Enter your SEO cost or investment.
  3. See your SEO ROI as a percentage.
  4. Use it to compare SEO with paid channels.

Examples

  • $10,000 revenue on $3,000 SEO spend = a 233% ROI.
  • Comparing SEO ROI with paid-ad ROAS.

Supported formats & limits

  • SEO ROI = (revenue − cost) ÷ cost × 100

Limitations

  • Attributing revenue to SEO is imperfect; use consistent tracking.
  • SEO compounds over time — early ROI understates long-term value.

Frequently asked questions

How do I attribute revenue to SEO?

Use analytics to track organic conversions; assisted conversions matter too, so be reasonable.

Why can SEO ROI look low early on?

SEO takes months to compound — measure over a longer window than paid ads.

SEO ROI vs ROAS?

ROI is a percentage return; ROAS is a revenue-to-spend ratio. Both are useful for comparing channels.

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