Free calculator: sales funnel
Sales funnel calculator
Turn a traffic or revenue target into the lead, opportunity, customer, and pipeline volume your sales plan must support.
Inputs and formula
- Leads = monthly visitors × visitor-to-lead conversion rate.
- Opportunities = leads × lead-to-opportunity conversion rate; customers = opportunities × close rate.
- Pipeline value = opportunities × average deal size; monthly bookings = customers × average deal size.
Worked example
With 10,000 visitors, 3% visitor-to-lead, 25% lead-to-opportunity, 20% close rate, and a $6,000 deal size, the model produces 15 customers and $90,000 of monthly bookings.
Planning estimate caveat
This is a steady-state funnel model. It does not include seasonality, segment mix, lead quality, discounts, churn, or the difference between booked and collected revenue.
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