Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

SEO ROI Calculator

Measure the return on investment of an SEO campaign by comparing generated revenue against total spend over a given period. Ideal for agency reporting, budget justification, or comparing SEO to paid channels.

Monthly SEO Investment ($)

Organic Traffic Increase (visitors/month)

Conversion Rate (%)

Average Order Value ($)

Campaign Duration

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Seo Metrics

Page Authority Predictor

Predict a page's authority score using backlink profile, referring domains, domain authority, content quality, and technical SEO health. Useful when prioritizing link-building and on-page optimization efforts.

Total Backlinks (links)

Unique Referring Domains (domains)

Domain Authority

Content Quality Score

Technical SEO Score

Fill in the required fields to see your result.

Key differences

	SEO ROI Calculator	Page Authority Predictor
Category	Seo Metrics	Seo Metrics
Inputs required	5	5
Result	SEO ROI (%)	Predicted Page Authority (/100)
What it does	Measure the return on investment of an SEO campaign by comparing generated revenue against total spend over a given period. Ideal for agency reporting, budget justification, or comparing SEO to paid channels.	Predict a page's authority score using backlink profile, referring domains, domain authority, content quality, and technical SEO health. Useful when prioritizing link-building and on-page optimization efforts.