Funnel Conversion Calculator
Stage-by-stage funnel math.
Calculate sales funnel conversion and expected revenue through stages. Enter top funnel visitors and stage 1 conversion for an instant result.
What this tool does
This tool calculates funnel conversion through 3 stages with expected revenue.
Enter Values
Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Sales funnels have 3-4 stages typically: visitor → lead → qualified → customer. Compound conversion through multiple stages creates sharp drop-off. This calculator shows stage-by-stage numbers.
10,000 visitors × 25% lead × 30% qualified × 20% close = 150 customers. At 1,000 deal value = 150k revenue. Full funnel conversion 1.5% - typical for B2B.
Identify weakest stage. If top-funnel traffic is strong but closing is poor, spend on sales enablement. Weak top-funnel calls for acquisition channel work. Each stage compounds - 10% improvement in each stage = 33% more customers.
Run it with sensible defaults
Using top funnel visitors of 10,000, stage 1 conversion of 25%, stage 2 conversion of 30%, stage 3 conversion of 20%, the calculation works out to 150,000.00. Nudge the inputs toward your own situation and the output recalculates instantly. The defaults are meant as a starting point, not a recommendation.
The levers in this calculation
The inputs — Top Funnel Visitors, Stage 1 Conversion %, Stage 2 Conversion %, Stage 3 Conversion %, and Average Deal Value — do not pull with equal force. Not every input has equal weight. Flip one at a time toward extreme values to feel which ones move the needle most for your situation.
How the math works
Multiply through stages. Final conversions × deal value = expected revenue. The working is transparent — you can verify every step yourself in the formula section below. No black box, no opaque "proprietary model".
Using this as a check-in
Re-run this every three months. A single reading tells you where you stand; four readings tell you whether things are improving. The trend matters more than any individual snapshot.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
10,000 × 25% × 30% × 20% × £1,000 £ = $150,000.00.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
Multiply through stages. Final conversions × deal value = expected revenue.
References
Frequently Asked Questions
Which stage to fix first?
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