---
title: SEO ROI Calculator | ETHOS SEO
description: Calculate the expected return from your SEO campaign with our free SEO ROI calculator. Estimate ROI based on profit, not just revenue.
---

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Ecommerce SEO

# True SEO *ROI Calculator*

SEO ROI, calculated honestly. Most calculators are based on revenue, not profit — this one isn't.

Traffic & Growth

Current Annual Organic Traffic

Active organic users / year

Projected Growth from SEO

%

Traffic uplift your SEO campaign delivers

Without SEO, traffic would…

Annual Traffic Decay (No SEO)

\- %

0% = flat, 100% = total loss. Organic traffic typically declines without active SEO.

Ecommerce Performance

Current CVR (Baseline)

%

Conversion rate across all organic users

Projected CVR (Post-SEO)

%

Expected CVR after SEO improves traffic quality

Average Order Value

$

Revenue per order before returns

Return / Refund Rate

%

Reduces net revenue — critical for true ecomm ROI

Margin & Campaign Cost

Gross Margin

%

Revenue minus COGS — what you actually keep per order

Annual SEO Campaign Cost

$

Agency, tools, content, and staff — total annual spend

Customer Lifetime Value

LTV-Adjusted View Include repeat purchase value from SEO-acquired customers

LTV Multiplier

x

Average purchases per customer over their lifetime. 2.4x = buys 2.4 times on average.

Effective revenue per customer: $110.00000000000001

Order Funnel — With SEO

Visitors

›

Orders

›

Net Orders

With SEO vs. Without SEO

No SEO

With SEO

Annual Traffic

Net Orders

Revenue

$360.0K

$396.0K

Gross Profit

$180.0K

$198.0K

Incremental Revenue

$36.0K

vs. no-SEO baseline

Incremental Gross Profit

$18.0K

after COGS & returns

True Profit ROI

Return on Investment

-38%

Incremental gross profit vs. SEO cost

 ⚡ LTV mode on — results reflect total customer lifetime value. Toggle off for the conservative view.

⚠️

Once gross margin and traffic decay are accounted for, this campaign returns a negative ROI.

 ✓ Profitable on a true gross profit basis — incremental profit covers your SEO investment.

📉

Not yet profitable. Try increasing projected growth, improving margin, or reducing campaign cost.

Breakeven New Visitors Needed

above decay baseline

Net Annual Gain

-$10.8K

profit minus SEO cost

 \* Gross margin = Revenue − COGS. Excludes operating expenses, fulfilment overhead, shipping, and tax. LTV multiplier applies uniformly across all SEO-acquired customers — actual LTV varies by cohort, channel, and product category. For a conservative view, keep LTV toggle off.

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