Conversion Funnel Calculator
Multi-step funnel drop-off analyzer. Enter users at each stage; the tool shows step rates, biggest drop-off, and impact of fixing each step.
About the Conversion Funnel Calculator
The Conversion Funnel Calculator tracks user drop-off at every stage of your funnel - from landing-page visit through signup, trial, and paid conversion. Enter the user count at each step; the tool returns step-by-step conversion rates, the cumulative end-to-end rate, and ranks each stage by its potential to recover lost users.
The most valuable output is the impact-forecasting view: if you improve any single stage by 20%, how many more users hit the end of the funnel? This number is rarely intuitive - fixing a step deep in the funnel sometimes recovers fewer users than fixing an upstream step with 10× the traffic, even if the upstream step has a smaller percentage problem. The calculator does this math automatically.
Common use cases
- Identify which funnel step is leaking the most users in absolute terms
- Prioritize optimization experiments by potential ROI
- Forecast revenue impact of a planned funnel improvement
- Benchmark your funnel against industry-standard conversion rates
Tips for accurate results
Don't fix the smallest percentage step - fix the step with the largest absolute drop in users. A 30% drop on 10,000 visitors loses 3,000 users; a 90% drop on 500 trial users loses 450. The first is 6× more recoverable even though the percentage looks smaller. The calculator ranks steps by absolute opportunity, which is almost always the right prioritization.
Privacy & data handling
The Conversion Funnel Calculator runs entirely in your browser. Nothing you enter is uploaded, logged, or shared with third parties - the math happens locally and your inputs disappear when you close the tab. There is no signup, no email collection, and no daily-use limit.
How is funnel conversion rate calculated?
Each step is users-at-step ÷ users-at-previous-step. So 10,000 visits → 2,000 signups → 500 trials → 80 paid = 20% → 25% → 16% step rates, and 0.8% end-to-end. The tool also shows cumulative conversion at each stage so you can see total funnel efficiency at a glance.
Where should I focus first - the biggest drop?
Usually yes, but check the size of the upstream stage first. Fixing a step that 95% of users drop on means moving thousands of people; fixing a step deep in the funnel only moves dozens. The tool ranks each stage by "potential users recovered if you improve this step by 20%" - that's the right prioritization.
What's a healthy SaaS funnel?
Rough benchmarks: 2-5% visit-to-signup, 30-50% signup-to-activation, 10-20% trial-to-paid, 1-2% visit-to-paid end-to-end. Anything below these for several months warrants investigation. Anything well above means you might be over-qualifying (your traffic is too narrow).
How do I project the impact of an experiment?
Enter your current funnel, then change one step's conversion rate to the expected post-experiment rate. The tool re-computes the rest and shows the absolute and percentage lift in end-to-end conversions. Use this for both prioritization (what's the biggest possible win?) and post-launch validation (did we actually move the needle?).
Should I optimize for end-to-end conversion or per-step?
Both - they answer different questions. End-to-end tells you whether the whole funnel is healthy and lets you compare against benchmarks. Per-step tells you where the leaks are. A 30% lift on one step is usually easier to engineer than a 30% lift end-to-end, but the latter is what the business actually cares about.
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