SEO ROI Calculator
An SEO ROI calculator is a tool that estimates the return on your SEO investment. It multiplies extra organic…
Estimate a monthly SEO retainer range from site size, competition and the services you need.
Each line is included. Delete lines you do not need, or edit the low-high prices to match quotes in your market.

The free seo pricing calculator runs in your browser, needs no sign-up and never sends what you type anywhere.
An SEO pricing calculator adds the monthly cost of each service you need, then adjusts for site size and competition. Retainer = (sum of service ranges × size factor × competition factor) + content + links. Prices vary widely by market, so treat every default as an editable example and compare written proposals.
An SEO pricing calculator is a tool that estimates a monthly SEO budget range. It sums a low and high price for each selected service, multiplies by site size and competition factors, then adds articles × price per article and links × price per link.

SEO retainers range from a few hundred to many thousands per month, depending on site size, competition, services and the provider's location. Small local sites usually need far less than large e-commerce sites. Google's guide to hiring an SEO lists useful questions to ask before you pay.
Competition and scope affect SEO pricing the most: a national market with strong competitors needs more content, links and technical work than a small local niche. Site size matters too, because more pages mean more auditing, fixes and internal linking.
Very cheap SEO is risky when it relies on spammy links or automated content that can break Google's spam policies. A fair price pays for real research, useful content and safe links. Ask for a clear list of monthly deliverables and how results will be reported.
| Example scenario | Services | Estimate / month (default example assumptions) |
|---|---|---|
| Small local business, low competition | Local SEO, on-page | $440 to $1,040 |
| Small site, medium competition | Technical, on-page, 4 articles | $1,200 to $2,100 |
| Medium site, high competition | Technical, on-page, content strategy, 10 links | $2,368 to $4,720 |
| Large e-commerce, high competition | All services, 8 articles, 15 links | $6,040 to $11,640 |
Example: a small site (factor 1.0) in a medium competition market (factor 1.0) picks technical SEO ($300 to $800) and on-page SEO ($300 to $700), so services cost $600 to $1,500. Adding 4 articles at $150 and 5 links at $80 adds $1,000, for an estimated $1,600 to $2,500 a month using the example assumptions.
No. The default prices and factors are editable example assumptions, not market data. SEO prices vary by country, provider experience and scope, so replace them with quotes you receive to get an estimate that fits your situation.
An SEO retainer is a fixed monthly fee for ongoing SEO work such as technical fixes, content, on-page optimisation, link building and reporting. It suits long term growth, because SEO results usually build over several months.
Monthly retainers suit ongoing growth and content, while one off projects suit audits, migrations or fixing a specific problem. Many businesses start with an audit project, then move to a retainer once priorities are clear.
It depends on the gap between you and the sites ranking above you. Compare their content depth and referring domains, then plan a steady pace you can sustain with quality. Quality and relevance matter more than volume.
Larger sites have more pages to crawl, audit, fix and link internally, plus more templates and edge cases such as faceted navigation. That extra work raises the time needed each month, which this calculator models with a size factor.
A good proposal lists monthly deliverables, how success is measured, reporting frequency, who does the work, contract length and what access is needed. Avoid any provider that guarantees a number one ranking on Google.
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