Sales Funnel Conversion Calculator

Measure conversion rates across the funnel and identify where the biggest drop-offs happen.

Visitor to lead
Lead to qualified
Qualified to customer
Visitor to customer
Summary
Key insights

    How sales funnel conversion works

    Sales funnels convert attention into revenue. This calculator helps founders see where prospects are progressing and where they are leaking out.

    What this calculator covers

    • Visitor-to-lead conversion rate
    • Lead-to-qualified rate
    • Qualified-to-customer close rate
    • Full-funnel visitor-to-customer conversion

    Why founders use this

    • To identify the biggest performance bottleneck in the funnel
    • To separate traffic issues from messaging or sales issues
    • To prioritise optimisation work on the highest-leverage stage
    • To forecast customer outcomes more accurately

    Common questions

    Quick answers to common founder questions related to this tool.

    Which stage matters most?

    The weakest stage often matters most because improving the biggest bottleneck can have outsized impact on total outcomes.

    Can this be used for service businesses?

    Yes. The calculator works for service, ecommerce, SaaS, consulting, and many other models as long as the funnel stages are defined consistently.