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PPC vs SEO

Spacebar Collective / Free tools

PPC vs. SEO calculator.

See what your paid traffic costs and how the same budget could support your SEO strategy.

01 / Your paid traffic

Start with the example, then enter your numbers.

Adjust assumptions

Example assumptions. Use your own conversion data and pricing.

Currency changes the display. Enter all costs in the selected currency.

02 / Your comparison

Example scenario · USD

Paid acquisition

PPC ad spend.

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per month

Paid clicks
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Expected leads
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Expected customers
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Ad spend / customer
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Acquisition cost reflects ad spend only.

Same budget, organic growth

SEO investment.

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available per month

Whole backlinks
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Cost per backlink
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Budget used
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Budget remaining
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Illustration assumes 100% of this budget goes to backlinks. Content, technical work, and management need a separate allocation.

Enter your numbers to compare your budget.

Example assumptions · updates as you type

How this calculator works

PPC: ad spend = CPC × paid clicks. Expected leads = clicks × click-to-lead rate. Expected customers = leads × lead-to-customer rate. Ad spend per customer = spend ÷ expected customers. Agency fees, creative, software, and sales costs are excluded.

SEO: whole backlinks = the selected period's budget ÷ cost per backlink, rounded down. Remaining budget = budget minus the cost of those links. This is purchasing capacity; link availability, quality, and results vary.

12-month view: assumes the same CPC, clicks, conversion rates, and link price each month. The SEO budget is pooled across all 12 months, so unused monthly amounts can fund additional links later.

Reading the estimates: fractional leads and customers are expected averages, not guaranteed outcomes. A dash for ad spend per customer means no customers are projected. The starting values are examples. The keyword is a label for your scenario. Currency selection does not convert exchange rates.

Planning your SEO: this tool compares budgets and backlink capacity. Forecasting organic traffic, revenue, ROI, or a ranking timeline requires a separate assessment of your site, competition, and strategy.

Turn the numbers into a growth plan.Let’s find the right SEO investment for your business.

Talk to Spacebar

Wondering where your marketing dollars actually go?

PPC can be an incredible lever for fast growth. You flip the switch, traffic shows up, and leads can start rolling in the same day. But the second you pause spend, the momentum stops. SEO works differently. It’s slower at the start, but every page you publish and every keyword you earn builds long-term equity that keeps driving traffic month after month.

That’s why the smartest growth strategies don’t treat PPC and SEO like rivals; they treat them like teammates.

Use PPC to test messaging, validate offers, and generate immediate demand. Then use those insights to guide your SEO investment so you’re building content around what’s proven to convert. Over time, SEO can lower your cost per acquisition, reduce reliance on paid acquisition, and create a consistent pipeline that doesn’t depend on daily budget decisions.

The calculator above gives you a snapshot of what that shift could look like. The real opportunity is what happens when you combine both channels into one intentional strategy.

If you’re ready to turn your ad spend into long-term growth, we can help you build the roadmap.