Marketing Funnel Calculator

Calculate conversion rates and drop-off at each funnel stage

Funnel Stages

Load a pre-built funnel, then fine-tune the numbers.
Total visitors (top of funnel)
Engaged visitors (viewed content)
Qualified leads (showed buying signals)
Hot leads (ready to purchase)
Customers (completed purchase)
Revenue per customer (optional)
Optional. Total budget spent to drive this funnel (for CAC and ROI).

What is Marketing Funnel Calculator?

The Marketing Funnel Calculator is a free online tool that maps the customer journey across five stages — Awareness, Interest, Consideration, Intent, and Purchase — and shows the conversion rate and drop-off at each step. Enter how many people reach each stage and the tool calculates the overall conversion rate, the total drop-off, and, if you add an average order value, the projected revenue. It ships with five pre-built funnel templates — AIDA, AARRR, E-commerce, SaaS, and Lead Generation — that load realistic stage names and numbers with one click. Add your total marketing spend and it reports cost per acquisition (CAC), ROI, and average order value (AOV) alongside a visual funnel and stage-by-stage breakdown, so you see exactly where prospects leak out. Everything runs in your browser, with no signup and no data ever sent to a server.

How to use Marketing Funnel Calculator?

Analyzing your marketing funnel takes only a moment:

  1. 1 Optionally pick a funnel template — AIDA, AARRR, E-commerce, SaaS, or Lead Generation — to load matching stage labels and example numbers to edit.
  2. 2 Enter the number of visitors at each stage, from the top of the funnel down to the bottom. Each stage should have fewer or equal visitors than the one before it.
  3. 3 Optionally add your average order value and total marketing spend so the tool can estimate projected revenue, cost per acquisition (CAC), and ROI.
  4. 4 Click Calculate Funnel. The tool computes the overall conversion rate, total drop-off, and the conversion and drop-off percentage for every stage.
  5. 5 Study the funnel visualization and insights. They highlight the stages with the biggest drop-off so you know exactly where to focus your optimization effort.

Why use this tool?

A funnel turns vague traffic numbers into a clear story of where customers are won and lost. Most businesses see an Awareness-to-Purchase conversion of just 1-5%, so even a small improvement at a leaky stage can lift revenue dramatically. By isolating the drop-off at each step, the calculator tells you whether to fix your initial engagement, nurture your leads better, or remove friction at checkout. The built-in templates mean you start from the right framework — AIDA, AARRR, or a classic e-commerce funnel — and sensible numbers. Adding order value and marketing spend translates conversion into projected revenue, CAC, and ROI, so you see not just how many customers convert but whether each one is profitable. Because everything runs locally in your browser, your funnel data stays private and the results appear instantly, letting you model different scenarios before committing budget.

Examples

Finding the leak

A funnel of 10,000 visitors ends with 150 purchases — a 1.5% conversion. The breakdown reveals the biggest drop is from Intent to Purchase, pointing straight at the checkout.

Projecting revenue

Add an average order value of $80 to 150 purchases and the tool projects $12,000 in revenue and shows revenue per visitor, making the funnel's value clear.

Comparing optimizations

Model lifting the Awareness-to-Interest rate from 20% to 30% and watch projected purchases and revenue rise, helping you decide which stage deserves investment first.

Loading a template

Pick the SaaS template to load Visitors → Signups → Activated → Paid → Renewed with starter numbers, then enter a $5,000 spend to see your CAC and ROI instantly.

Frequently Asked Questions

What are the stages of a marketing funnel?

By default this tool uses five stages: Awareness (total visitors), Interest (engaged visitors), Consideration (qualified leads), Intent (hot leads ready to buy), and Purchase (completed customers). You can also load AIDA, AARRR, E-commerce, SaaS, or Lead-generation templates, each of which relabels the five stages to match that framework.

How are CAC and ROI calculated?

CAC is total marketing spend divided by purchases. ROI is projected revenue minus spend, divided by spend, as a percentage. Both appear once you enter an average order value and a marketing spend.

Which funnel template should I use?

Use AIDA for awareness-to-action campaigns, AARRR for product-led growth, E-commerce for online stores, SaaS for subscription products, and Lead Generation for B2B pipelines. Each is just a starting point — edit the numbers to match your data.

What is a good overall conversion rate?

It varies by industry, but an Awareness-to-Purchase rate of 1-5% is typical. Rather than chasing a benchmark, focus on improving the specific stage with the highest drop-off.

How is drop-off calculated?

Drop-off is the percentage of people who do not advance from one stage to the next. The tool shows it for every step so you can pinpoint where the funnel leaks the most.

Is the funnel calculator free?

Yes. The tool is completely free with no signup, no limits, and no account required. You can model as many funnels as you like.

Is my funnel data uploaded anywhere?

No. All calculations run inside your browser, so your stage numbers and revenue figures are never sent to or stored on a server. Your data stays private.