The funnel converts 8% to leads, 15% of leads to customers and 1.2% overall.
Marketing calculator
Lead Funnel Conversion Calculator
See where a simple three-stage acquisition funnel is losing the most volume.
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No account. Formula and assumptions are shown below.
Calculator inputs
Lead funnel details
Formula & disclaimer
Stage Conversion Rate = Next-stage Volume Γ· Prior-stage Volume Γ 100
View assumptionsFormula reviewCalcs at Hand Editorial TeamVerified 28 August 2026 Β· automated checks included
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Resultβ
Projection
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Formula & details
Calculation
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How to read this result
Three useful checks, kept deliberately short.
10,000 visitors, 800 leads and 120 customers: Calculate visitor-to-lead rate Β· Calculate lead-to-customer rate Β· Calculate overall conversion.
Long sales cycles may require lag-adjusted cohorts instead of one calendar period.
Formula and assumptions
Stage Conversion Rate = Next-stage Volume Γ· Prior-stage Volume Γ 100Every stage must use the same cohort and attribution window.
Keep in mind: Use aligned cohorts and stage definitions for a meaningful funnel comparison.
Produced byCalcs at Hand Editorial Team
Last formula check28 August 2026
Review methodKnown examples + boundary cases
Editorial and correction policy β