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Lead Leakage Calculator

See how much potential revenue may be slipping through the gaps between incoming leads, follow-up, sales opportunities, and closed deals.

Updated Sep 13, 2026 Free Tool No opt-in required

Based on your inputs, the bigger opportunity may be improving how existing leads move through your funnel, rather than simply generating more of them.

How many new leads or inquiries does your business typically generate each month?
What percentage of incoming leads actually receive a meaningful response or conversation?
%
Of the leads you contact, how many typically move to a sales call, consultation, demo, quote, or qualified opportunity?
%
Of qualified opportunities, what percentage normally become customers?
%
What is the average revenue generated from one new customer?

Potential revenue opportunity

$0 / month

$0 potential annual opportunity

Current process

Contacted leads
Qualified opportunities
Estimated customers
Estimated revenue

Improved process

Contacted leads
Qualified opportunities
Estimated customers
Estimated revenue

Where the leakage may be happening

Contact gap

Opportunity gap

Close gap

What this number actually means

This calculator is a directional estimate, not a revenue forecast. It shows the difference between your current funnel and a moderately improved version using the same number of incoming leads.

The point isn’t that every business should hit these exact numbers. It’s to identify whether your biggest growth opportunity may already be sitting inside your existing pipeline.

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This is a directional estimate, not a guarantee. Potentially recoverable revenue is based on the assumptions provided and moderate, reasonable improvements to your existing numbers — not a perfect funnel. Actual results depend on your market, offer, and execution.

FAQ

Lead Leakage Calculator FAQs

A few quick answers about revenue leakage, funnel conversion, and what the estimate actually means.

What is lead leakage?

Lead leakage happens when potential customers enter your funnel but fail to progress because of missed follow-up, weak qualification, slow response, unclear ownership, or poor conversion between stages. It means some of the demand you already generated never becomes a real sales opportunity or customer.

How does the Lead Leakage Calculator work?

The calculator uses your monthly lead volume, contact rate, lead-to-opportunity rate, close rate, and average customer value to estimate your current funnel output. It then compares that with a modest improvement scenario using the same number of leads.

Does lead leakage mean I need more leads?

Not necessarily. If your existing leads are not being contacted, qualified, followed up, or converted consistently, increasing lead volume can simply send more prospects into the same gaps. Improving the process may create additional revenue before you spend more on acquisition.

Which stages can cause revenue leakage?

Revenue can leak at several points in the funnel. Common areas include leads that are never contacted, leads that do not become qualified opportunities, and opportunities that fail to convert into customers.

Is the revenue estimate guaranteed?

No. The result is a directional estimate, not a revenue forecast or guarantee. Actual performance depends on factors such as lead quality, sales cycle, pricing, market conditions, team execution, and the assumptions used in the calculator.

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