Free tool

Lost Lead Cost Calculator

How much do leads missed for lack of a fast reply — or outside business hours — cost you? Estimate the revenue you miss each year, and what a 24/7 chatbot could recover.

📌 Key takeaways

Your assumptions

Adjust the values to match your reality.

40 %
25 %
20 %
60 %
Revenue lost per year
for lack of a fast enough reply
Leads lost / month
Customers lost / month
Revenue lost / month
Recoverable / year
Recoverable with a 24/7 chatbot, over 12 months

Indicative estimate based on your assumptions. Actual results vary by industry and setup.

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How much does a lost lead cost?

The cost of a lost lead is the revenue you would have earned if you'd replied in time. You calculate it by multiplying the number of leads lost for lack of a fast reply by your conversion rate, then by the average customer value.

Why slow customer service loses sales

A visitor who asks a question and doesn't get a quick answer often moves to a competitor. Requests received in the evening, on weekends or during a rush go unanswered — and a share of those leads is lost for good.

What a 24/7 chatbot recovers

An automated customer service chatbot answers instantly, around the clock, captures contact details and handles simple questions. It recovers a good share of the leads that would otherwise be lost. Also estimate the full ROI of a chatbot for your business.

FAQ

How much does a lost lead cost?

Multiply the number of leads lost for lack of a reply by your conversion rate, then by the average customer value. Over a year, this often adds up to thousands of dollars in missed revenue.

Why does slow customer service lose sales?

A visitor without a quick answer goes elsewhere. After-hours requests (evenings, weekends) stay unanswered, and a share of those leads is lost for good.

Can a chatbot recover these leads?

Yes, largely. It answers instantly 24/7, captures contact details and handles simple questions, recovering a good share of otherwise-lost leads.

Is the calculator free?

Yes, completely free and no sign-up. Results appear instantly from your assumptions, right in your browser.